diff --git a/rare/components/tabs/games/game_info/cloud_saves.py b/rare/components/tabs/games/game_info/cloud_saves.py
index 8e77f152..30d76f73 100644
--- a/rare/components/tabs/games/game_info/cloud_saves.py
+++ b/rare/components/tabs/games/game_info/cloud_saves.py
@@ -28,7 +28,7 @@ from rare.widgets.indicator_edit import PathEdit, IndicatorReasonsCommon
 from rare.widgets.loading_widget import LoadingWidget
 from rare.widgets.side_tab import SideTabContents
 
-logger = getLogger("CloudWidget")
+logger = getLogger("CloudSaves")
 
 
 class CloudSaves(QWidget, SideTabContents):
@@ -122,11 +122,11 @@ class CloudSaves(QWidget, SideTabContents):
             except Exception as e:
                 logger.warning(str(e))
                 resolver = WineSavePathResolver(self.core, self.rgame)
-                if not resolver.environ.get("WINEPREFIX"):
-                    del resolver
-                    self.cloud_save_path_edit.setText("")
-                    QMessageBox.warning(self, "Warning", "No wine prefix selected. Please set it in settings")
-                    return
+                # if not resolver.environ.get("WINEPREFIX"):
+                #     del resolver
+                #     self.cloud_save_path_edit.setText("")
+                #     QMessageBox.warning(self, "Warning", "No wine prefix selected. Please set it in settings")
+                #     return
                 self.cloud_save_path_edit.setText(self.tr("Loading..."))
                 self.cloud_save_path_edit.setDisabled(True)
                 self.compute_save_path_button.setDisabled(True)
@@ -139,7 +139,8 @@ class CloudSaves(QWidget, SideTabContents):
 
     @pyqtSlot(str, str)
     def __on_wine_resolver_result(self, path, app_name):
-        logger.info(f"Wine resolver finished for {app_name}. Computed save path: {path}")
+        logger.info("Wine resolver finished for %s", app_name)
+        logger.info("Computed save path: %s", path)
         if app_name == self.rgame.app_name:
             self.cloud_save_path_edit.setDisabled(False)
             self.compute_save_path_button.setDisabled(False)
diff --git a/rare/components/tabs/games/integrations/egl_sync_group.py b/rare/components/tabs/games/integrations/egl_sync_group.py
index 3077aaa9..531d2a4d 100644
--- a/rare/components/tabs/games/integrations/egl_sync_group.py
+++ b/rare/components/tabs/games/integrations/egl_sync_group.py
@@ -16,7 +16,7 @@ from rare.shared import RareCore
 from rare.shared.workers.wine_resolver import WinePathResolver
 from rare.ui.components.tabs.games.integrations.egl_sync_group import Ui_EGLSyncGroup
 from rare.ui.components.tabs.games.integrations.egl_sync_list_group import Ui_EGLSyncListGroup
-from rare.utils import runners
+from rare.utils.compat import utils as compat_utils
 from rare.widgets.elide_label import ElideLabel
 from rare.widgets.indicator_edit import PathEdit, IndicatorReasonsCommon
 
@@ -88,11 +88,7 @@ class EGLSyncGroup(QGroupBox):
 
     def __run_wine_resolver(self):
         self.egl_path_info.setText(self.tr("Updating..."))
-        wine_resolver = WinePathResolver(
-            self.core.get_app_launch_command("default"),
-            runners.get_environment(self.core.get_app_environment("default")),
-            PathSpec.egl_programdata()
-        )
+        wine_resolver = WinePathResolver(self.core, "default", str(PathSpec.egl_programdata()))
         wine_resolver.signals.result_ready.connect(self.__on_wine_resolver_result)
         QThreadPool.globalInstance().start(wine_resolver)
 
@@ -306,7 +302,8 @@ class EGLSyncListGroup(QGroupBox):
     def items(self) -> Iterable[EGLSyncListItem]:
         # for i in range(self.list.count()):
         #     yield self.list.item(i)
-        return [self.ui.list.item(i) for i in range(self.ui.list.count())]
+        return map(self.ui.list.item, range(self.ui.list.count()))
+        # return [self.ui.list.item(i) for i in range(self.ui.list.count())]
 
 
 class EGLSyncExportGroup(EGLSyncListGroup):
diff --git a/rare/components/tabs/games/integrations/eos_group.py b/rare/components/tabs/games/integrations/eos_group.py
index 2ed3bb0f..0f8efb95 100644
--- a/rare/components/tabs/games/integrations/eos_group.py
+++ b/rare/components/tabs/games/integrations/eos_group.py
@@ -224,7 +224,7 @@ class EosGroup(QGroupBox):
 
         if platform.system() != "Windows":
             prefixes = config.get_prefixes()
-            prefixes = {prefix for prefix in prefixes if config.prefix_exists(prefix)}
+            prefixes = {prefix for prefix, _ in prefixes if config.prefix_exists(prefix)}
             if platform.system() == "Darwin":
                 # TODO: add crossover support
                 pass
diff --git a/rare/components/tabs/settings/widgets/env_vars_model.py b/rare/components/tabs/settings/widgets/env_vars_model.py
index 29ca61b5..b8f39e26 100644
--- a/rare/components/tabs/settings/widgets/env_vars_model.py
+++ b/rare/components/tabs/settings/widgets/env_vars_model.py
@@ -11,10 +11,10 @@ from rare.lgndr.core import LegendaryCore
 from rare.utils.misc import icon
 
 if platform.system() != "Windows":
-    from rare.utils.runners.wine import get_wine_environment
+    from rare.utils.compat.wine import get_wine_environment
 
 if platform.system() in {"Linux", "FreeBSD"}:
-    from rare.utils.runners.proton import get_steam_environment
+    from rare.utils.compat.proton import get_steam_environment
 
 
 class EnvVarsTableModel(QAbstractTableModel):
diff --git a/rare/components/tabs/settings/widgets/proton.py b/rare/components/tabs/settings/widgets/proton.py
index 062c793f..069eb49c 100644
--- a/rare/components/tabs/settings/widgets/proton.py
+++ b/rare/components/tabs/settings/widgets/proton.py
@@ -10,7 +10,8 @@ from rare.models.wrapper import Wrapper, WrapperType
 from rare.shared import RareCore
 from rare.shared.wrappers import Wrappers
 from rare.utils import config_helper as config
-from rare.utils.runners import proton
+from rare.utils.compat import proton
+from rare.utils.paths import proton_compat_dir
 from rare.widgets.indicator_edit import PathEdit, IndicatorReasonsCommon
 
 logger = getLogger("ProtonSettings")
@@ -82,7 +83,7 @@ class ProtonSettings(QGroupBox):
     def __on_proton_changed(self, index):
         steam_tool: Union[proton.ProtonTool, proton.CompatibilityTool] = self.tool_combo.itemData(index)
 
-        steam_environ = proton.get_steam_environment(steam_tool)
+        steam_environ = proton.get_steam_environment(steam_tool, self.tool_prefix.text())
         for key, value in steam_environ.items():
             config.save_envvar(self.app_name, key, value)
             self.environ_changed.emit(key)
@@ -101,8 +102,16 @@ class ProtonSettings(QGroupBox):
         self.wrappers.set_game_wrapper_list(self.app_name, wrappers)
 
         self.tool_prefix.setEnabled(steam_tool is not None)
-        if steam_tool and not config.get_proton_compatdata(self.app_name, fallback=""):
-            self.tool_prefix.setText(os.path.expanduser("~/.proton"))
+        if steam_tool:
+            if not (compatdata_path := config.get_proton_compatdata(self.app_name, fallback="")):
+                compatdata_path = proton_compat_dir(self.app_name)
+                config.save_proton_compatdata(self.app_name, str(compatdata_path))
+                target = compatdata_path.joinpath("pfx")
+                if not target.is_dir():
+                    os.makedirs(target, exist_ok=True)
+            self.tool_prefix.setText(str(compatdata_path))
+        else:
+            self.tool_prefix.setText("")
 
         self.tool_enabled.emit(steam_tool is not None)
 
diff --git a/rare/components/tabs/settings/widgets/wrappers.py b/rare/components/tabs/settings/widgets/wrappers.py
index c4223638..38e5780e 100644
--- a/rare/components/tabs/settings/widgets/wrappers.py
+++ b/rare/components/tabs/settings/widgets/wrappers.py
@@ -25,7 +25,7 @@ from rare.utils.misc import icon
 from rare.widgets.dialogs import ButtonDialog, game_title
 
 if pf.system() in {"Linux", "FreeBSD"}:
-    from rare.utils.runners import proton
+    from rare.utils.compat import proton
 
 logger = getLogger("WrapperSettings")
 
@@ -54,7 +54,7 @@ class WrapperEditDialog(ButtonDialog):
         header = self.tr("Edit wrapper")
         self.setWindowTitle(header)
         self.setSubtitle(game_title(header, wrapper.name))
-        self.line_edit.setText(wrapper.command)
+        self.line_edit.setText(wrapper.as_str)
 
     @pyqtSlot(str)
     def __on_text_changed(self, text: str):
@@ -83,7 +83,7 @@ class WrapperAddDialog(WrapperEditDialog):
         self.setWindowTitle(header)
         self.setSubtitle(header)
         for wrapper in wrappers:
-            self.combo_box.addItem(f"{wrapper.name} ({wrapper.command})", wrapper.command)
+            self.combo_box.addItem(f"{wrapper.name} ({wrapper.as_str})", wrapper.as_str)
 
     @pyqtSlot(int)
     def __on_index_changed(self, index: int):
@@ -101,7 +101,7 @@ class WrapperWidget(QFrame):
         super(WrapperWidget, self).__init__(parent=parent)
         self.setFrameShape(QFrame.StyledPanel)
         self.setSizePolicy(QSizePolicy.Maximum, QSizePolicy.Fixed)
-        self.setToolTip(wrapper.command)
+        self.setToolTip(wrapper.as_str)
 
         text_lbl = QLabel(wrapper.name, parent=self)
         text_lbl.setFont(QFont("monospace"))
@@ -296,7 +296,7 @@ class WrapperSettings(QWidget):
 
         if pf.system() in {"Linux", "FreeBSD"}:
             compat_cmds = [tool.command() for tool in proton.find_tools()]
-            if wrapper.command in compat_cmds:
+            if wrapper.as_str in compat_cmds:
                 QMessageBox.warning(
                     self,
                     self.tr("Warning"),
@@ -306,7 +306,7 @@ class WrapperSettings(QWidget):
 
         if wrapper.checksum in self.wrappers.get_game_md5sum_list(self.app_name):
             QMessageBox.warning(
-                self, self.tr("Warning"), self.tr("Wrapper <b>{0}</b> is already in the list").format(wrapper.command)
+                self, self.tr("Warning"), self.tr("Wrapper <b>{0}</b> is already in the list").format(wrapper.as_str)
             )
             return
 
diff --git a/rare/models/pathspec.py b/rare/models/pathspec.py
index 097de3d6..398d6524 100644
--- a/rare/models/pathspec.py
+++ b/rare/models/pathspec.py
@@ -39,7 +39,7 @@ class PathSpec:
         possible_prefixes = get_prefixes()
         prefixes = [
             prefix
-            for prefix in possible_prefixes
+            for prefix, _ in possible_prefixes
             if os.path.exists(os.path.join(prefix, PathSpec.wine_egl_programdata()))
         ]
         if not prefixes:
@@ -66,5 +66,5 @@ class PathSpec:
             self.__egl_path_vars["{installdir}"] = igame.install_path
 
     def resolve_egl_path_vars(self, path: str) -> Union[LiteralString, str, bytes]:
-        cooked_path = [self.__egl_path_vars.get(p.lower(), p) for p in path.split("/")]
+        cooked_path = (self.__egl_path_vars.get(p.lower(), p) for p in path.split("/"))
         return os.path.join(*cooked_path)
diff --git a/rare/models/wrapper.py b/rare/models/wrapper.py
index 75dabb42..376952d8 100644
--- a/rare/models/wrapper.py
+++ b/rare/models/wrapper.py
@@ -28,15 +28,20 @@ class Wrapper:
 
     @property
     def checksum(self) -> str:
-        return md5(self.command.encode("utf-8")).hexdigest()
+        return md5(self.as_str.encode("utf-8")).hexdigest()
 
     @property
     def executable(self) -> str:
         return shlex.quote(self.__command[0])
 
     @property
-    def command(self) -> str:
-        return " ".join(shlex.quote(part) for part in self.__command)
+    def command(self) -> List[str]:
+        return self.__command
+
+    @property
+    def as_str(self) -> str:
+        # return " ".join(shlex.quote(part) for part in self.__command)
+        return " ".join(map(shlex.quote, self.__command))
 
     @property
     def name(self) -> str:
@@ -47,13 +52,13 @@ class Wrapper:
         return self.__wtype
 
     def __eq__(self, other) -> bool:
-        return self.command == other.command
+        return self.as_str == other.as_str
 
     def __hash__(self):
         return hash(self.__command)
 
     def __bool__(self) -> bool:
-        return True if not self.is_editable else bool(self.command.strip())
+        return True if not self.is_editable else bool(self.as_str.strip())
 
     @classmethod
     def from_dict(cls, data: Dict):
diff --git a/rare/shared/rare_core.py b/rare/shared/rare_core.py
index d812addf..28e50257 100644
--- a/rare/shared/rare_core.py
+++ b/rare/shared/rare_core.py
@@ -102,13 +102,17 @@ class RareCore(QObject):
         self.__signals.application.update_statusbar.emit()
 
     def active_workers(self) -> Iterable[QueueWorker]:
-        return list(filter(lambda w: w.state == QueueWorkerState.ACTIVE, self.queue_workers))
+        # return list(filter(lambda w: w.state == QueueWorkerState.ACTIVE, self.queue_workers))
+        yield from filter(lambda w: w.state == QueueWorkerState.ACTIVE, self.queue_workers)
 
     def queued_workers(self) -> Iterable[QueueWorker]:
-        return list(filter(lambda w: w.state == QueueWorkerState.QUEUED, self.queue_workers))
+        # return list(filter(lambda w: w.state == QueueWorkerState.QUEUED, self.queue_workers))
+        yield from filter(lambda w: w.state == QueueWorkerState.QUEUED, self.queue_workers)
 
-    def queue_info(self) -> List[QueueWorkerInfo]:
-        return [w.worker_info() for w in self.queue_workers]
+    def queue_info(self) -> Iterable[QueueWorkerInfo]:
+        # return (w.worker_info() for w in self.queue_workers)
+        for w in self.queue_workers:
+            yield w.worker_info()
 
     @staticmethod
     def instance() -> 'RareCore':
diff --git a/rare/shared/workers/install_info.py b/rare/shared/workers/install_info.py
index d4ff1877..6db1f870 100644
--- a/rare/shared/workers/install_info.py
+++ b/rare/shared/workers/install_info.py
@@ -58,7 +58,8 @@ class InstallInfoWorker(Worker):
             if not download.res or not download.res.failures:
                 self.signals.result.emit(download)
             else:
-                self.signals.failed.emit("\n".join(str(i) for i in download.res.failures))
+                # self.signals.failed.emit("\n".join(str(i) for i in download.res.failures))
+                self.signals.failed.emit("\n".join(map(str, download.res.failures)))
         except LgndrException as ret:
             self.signals.failed.emit(ret.message)
         except Exception as e:
diff --git a/rare/shared/workers/uninstall.py b/rare/shared/workers/uninstall.py
index 23566cee..1a98144c 100644
--- a/rare/shared/workers/uninstall.py
+++ b/rare/shared/workers/uninstall.py
@@ -35,8 +35,8 @@ def uninstall_game(
             if platform.system() == "Darwin":
                 # TODO: add crossover support
                 pass
-            if prefixes is not None:
-                for prefix in prefixes:
+            if len(prefixes):
+                for prefix, _ in prefixes:
                     remove_registry_entries(prefix)
                     logger.debug("Removed registry entries for prefix %s", prefix)
         else:
diff --git a/rare/shared/workers/wine_resolver.py b/rare/shared/workers/wine_resolver.py
index f467193e..55b05faa 100644
--- a/rare/shared/workers/wine_resolver.py
+++ b/rare/shared/workers/wine_resolver.py
@@ -3,13 +3,14 @@ import platform
 import time
 from configparser import ConfigParser
 from logging import getLogger
-from typing import Union, Iterable, Mapping, List
+from typing import Union, Iterable, List, Tuple, Dict
 
-from PyQt5.QtCore import pyqtSignal, QObject, QRunnable
+from PyQt5.QtCore import pyqtSignal, QObject
 
 from rare.lgndr.core import LegendaryCore
 from rare.models.game import RareGame
 from rare.models.pathspec import PathSpec
+from rare.shared.wrappers import Wrappers
 from rare.utils import config_helper as config
 from rare.utils.misc import path_size, format_size
 from .worker import Worker
@@ -19,7 +20,7 @@ if platform.system() == "Windows":
     import winreg  # pylint: disable=E0401
     from legendary.lfs import windows_helpers
 else:
-    from rare.utils import runners
+    from rare.utils.compat import utils as compat_utils, proton
 
 logger = getLogger("WineResolver")
 
@@ -28,45 +29,71 @@ class WinePathResolver(Worker):
     class Signals(QObject):
         result_ready = pyqtSignal(str, str)
 
-    def __init__(self, command: List[str], environ: Mapping, path: str):
+    def __init__(self, core: LegendaryCore, app_name: str, path: str):
         super(WinePathResolver, self). __init__()
         self.signals = WinePathResolver.Signals()
-        self.command = command
-        self.environ = environ
+        self.core = core
+        self.app_name = app_name
         self.path = path
 
+    @staticmethod
+    def _configure_process(core: LegendaryCore, app_name: str) -> Tuple[List, Dict]:
+        tool: proton.CompatibilityTool = None
+
+        if config.get_boolean(app_name, "no_wine"):
+            wrappers = Wrappers()
+            for w in wrappers.get_game_wrapper_list(app_name):
+                if w.is_compat_tool:
+                    for t in proton.find_tools():
+                        if t.checksum == w.checksum:
+                            tool = t
+                            break
+
+        cmd = core.get_app_launch_command(
+            app_name,
+            wrapper=tool.as_str(proton.SteamVerb.RUN_IN_PREFIX) if tool is not None else None,
+            disable_wine=config.get_boolean(app_name, "no_wine")
+        )
+        env = core.get_app_environment(app_name, disable_wine=config.get_boolean(app_name, "no_wine"))
+        env = compat_utils.get_host_environment(env, silent=True)
+
+        return cmd, env
+
     @staticmethod
     def _resolve_unix_path(cmd, env, path: str) -> str:
-        if "waitforexitandrun" in cmd:
-            cmd[cmd.index("waitforexitandrun")] = "runinprefix"
         logger.info("Resolving path '%s'", path)
-        wine_path = runners.resolve_path(cmd, env, path)
-        logger.debug("Resolved Wine path '%s'", path)
-        unix_path = runners.convert_to_unix_path(cmd, env, wine_path)
-        logger.debug("Resolved Unix path '%s'", unix_path)
+        wine_path = compat_utils.resolve_path(cmd, env, path)
+        logger.info("Resolved Wine path '%s'", wine_path)
+        unix_path = compat_utils.convert_to_unix_path(cmd, env, wine_path)
+        logger.info("Resolved Unix path '%s'", unix_path)
         return unix_path
 
     def run_real(self):
-        path = self._resolve_unix_path(self.command, self.environ, self.path)
-        self.signals.result_ready.emit(path, "default")
+        command, environ = self._configure_process(self.core, self.app_name)
+        if not (command and environ):
+            logger.error("Cannot setup %s, missing infomation", {type(self).__name__})
+            self.signals.result_ready.emit("", self.app_name)
+
+        path = self._resolve_unix_path(command, environ, self.path)
+        self.signals.result_ready.emit(path, self.app_name)
         return
 
 
 class WineSavePathResolver(WinePathResolver):
 
     def __init__(self, core: LegendaryCore, rgame: RareGame):
-        cmd = core.get_app_launch_command(rgame.app_name, disable_wine=config.get_boolean(rgame.app_name, "no_wine"))
-        env = core.get_app_environment(rgame.app_name, disable_wine=config.get_boolean(rgame.app_name, "no_wine"))
-        env = runners.get_environment(env, silent=True)
         path = PathSpec(core, rgame.igame).resolve_egl_path_vars(rgame.raw_save_path)
-        if not (cmd and env and path):
-            raise RuntimeError(f"Cannot setup {type(self).__name__}, missing infomation")
-        super(WineSavePathResolver, self).__init__(cmd, env, path)
+        super(WineSavePathResolver, self).__init__(rgame.core, rgame.app_name, str(path))
         self.rgame = rgame
 
     def run_real(self):
         logger.info("Resolving save path for %s (%s)", self.rgame.app_title, self.rgame.app_name)
-        path = self._resolve_unix_path(self.command, self.environ, self.path)
+        command, environ = self._configure_process(self.core, self.rgame.app_name)
+        if not (command and environ):
+            logger.error("Cannot setup %s, missing infomation", {type(self).__name__})
+            self.signals.result_ready.emit("", self.rgame.app_name)
+
+        path = self._resolve_unix_path(command, environ, self.path)
         # Clean wine output
         # pylint: disable=E1136
         if os.path.exists(path):
@@ -75,14 +102,14 @@ class WineSavePathResolver(WinePathResolver):
         return
 
 
-class OriginWineWorker(QRunnable):
+class OriginWineWorker(WinePathResolver):
     def __init__(self, core: LegendaryCore, games: Union[Iterable[RareGame], RareGame]):
-        super(OriginWineWorker, self).__init__()
+        super(OriginWineWorker, self).__init__(core, "", "")
         self.__cache: dict[str, ConfigParser] = {}
         self.core = core
         self.games = [games] if isinstance(games, RareGame) else games
 
-    def run(self) -> None:
+    def run_real(self) -> None:
         t = time.time()
 
         for rgame in self.games:
@@ -102,18 +129,16 @@ class OriginWineWorker(QRunnable):
             if platform.system() == "Windows":
                 install_dir = windows_helpers.query_registry_value(winreg.HKEY_LOCAL_MACHINE, reg_path, reg_key)
             else:
-                command = self.core.get_app_launch_command(rgame.app_name)
-                environ = self.core.get_app_environment(rgame.app_name)
-                environ = runners.get_environment(environ, silent=True)
+                command, environ = self._configure_process(self.core, rgame.app_name)
 
                 prefix = config.get_prefix(rgame.app_name)
                 if not prefix:
                     return
 
-                use_wine = False
+                use_wine = True
                 if not use_wine:
                     # lk: this is the original way of getting the path by parsing "system.reg"
-                    reg = self.__cache.get(prefix, None) or runners.read_registry("system.reg", prefix)
+                    reg = self.__cache.get(prefix, None) or compat_utils.read_registry("system.reg", prefix)
                     self.__cache[prefix] = reg
 
                     reg_path = reg_path.replace("SOFTWARE", "Software").replace("WOW6432Node", "Wow6432Node")
@@ -123,11 +148,11 @@ class OriginWineWorker(QRunnable):
                     install_dir = reg.get(reg_path, f'"{reg_key}"', fallback=None)
                 else:
                     # lk: this is the alternative way of getting the path by using wine itself
-                    install_dir = runners.query_reg_key(command, environ, f"HKLM\\{reg_path}", reg_key)
+                    install_dir = compat_utils.query_reg_key(command, environ, f"HKLM\\{reg_path}", reg_key)
 
                 if install_dir:
                     logger.debug("Found Wine install directory %s", install_dir)
-                    install_dir = runners.convert_to_unix_path(command, environ, install_dir)
+                    install_dir = compat_utils.convert_to_unix_path(command, environ, install_dir)
                     if install_dir:
                         logger.debug("Found Unix install directory %s", install_dir)
                     else:
diff --git a/rare/shared/wrappers.py b/rare/shared/wrappers.py
index 707c8438..bf17ce36 100644
--- a/rare/shared/wrappers.py
+++ b/rare/shared/wrappers.py
@@ -69,7 +69,7 @@ class Wrappers:
         #         yield wrap
 
     def get_game_wrapper_string(self, app_name: str) -> str:
-        commands = [wrapper.command for wrapper in self.get_game_wrapper_list(app_name)]
+        commands = [wrapper.as_str for wrapper in self.get_game_wrapper_list(app_name)]
         return " ".join(commands)
 
     def get_game_wrapper_list(self, app_name: str) -> List[Wrapper]:
@@ -122,7 +122,7 @@ if __name__ == "__main__":
     from pprint import pprint
     from argparse import Namespace
 
-    from rare.utils.runners import proton
+    from rare.utils.compat import proton
 
     global config_dir
     config_dir = os.getcwd
@@ -159,7 +159,7 @@ if __name__ == "__main__":
     for i, tool in enumerate(proton.find_tools()):
         wt = Wrapper(command=tool.command(), name=tool.name, wtype=WrapperType.COMPAT_TOOL)
         wr.set_game_wrapper_list(f"compat_game_{i}", [wt])
-        print(wt.command)
+        print(wt.as_str)
 
     for wrp in wr.user_wrappers:
         pprint(wrp)
diff --git a/rare/utils/compat/__init__.py b/rare/utils/compat/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/rare/utils/runners/proton.py b/rare/utils/compat/proton.py
similarity index 83%
rename from rare/utils/runners/proton.py
rename to rare/utils/compat/proton.py
index 2f646796..87b79d2c 100644
--- a/rare/utils/runners/proton.py
+++ b/rare/utils/compat/proton.py
@@ -2,9 +2,10 @@ import platform as pf
 import os
 import shlex
 from dataclasses import dataclass
+from enum import StrEnum
 from hashlib import md5
 from logging import getLogger
-from typing import Optional, Union, List, Dict
+from typing import Optional, Union, List, Dict, Set
 
 if pf.system() in {"Linux", "FreeBSD"}:
     # noinspection PyUnresolvedReferences
@@ -22,11 +23,12 @@ def find_steam() -> str:
             return path
 
 
-def find_libraries(steam_path: str) -> List[str]:
+def find_libraries(steam_path: str) -> Set[str]:
     vdf_path = os.path.join(steam_path, "steamapps", "libraryfolders.vdf")
     with open(vdf_path, "r") as f:
         libraryfolders = vdf.load(f)["libraryfolders"]
-    libraries = [os.path.join(folder["path"], "steamapps") for key, folder in libraryfolders.items()]
+    # libraries = [os.path.join(folder["path"], "steamapps") for key, folder in libraryfolders.items()]
+    libraries = {os.path.join(folder["path"], "steamapps") for key, folder in libraryfolders.items()}
     return libraries
 
 
@@ -41,6 +43,16 @@ def find_libraries(steam_path: str) -> List[str]:
 # is a good trade-off for the amount of complexity supporting everything would ensue.
 
 
+class SteamVerb(StrEnum):
+    RUN = "run"
+    WAIT_FOR_EXIT_AND_RUN = "waitforexitandrun"
+    RUN_IN_PREFIX = "runinprefix"
+    DESTROY_PREFIX = "destroyprefix"
+    GET_COMPAT_PATH = "getcompatpath"
+    GET_NATIVE_PATH = "getnativepath"
+    DEFAULT = WAIT_FOR_EXIT_AND_RUN
+
+
 @dataclass
 class SteamBase:
     steam_path: str
@@ -57,19 +69,20 @@ class SteamBase:
     def required_tool(self) -> Optional[str]:
         return self.toolmanifest["manifest"].get("require_tool_appid", None)
 
-    def command(self, setup: bool = False) -> List[str]:
+    def command(self, verb: SteamVerb = SteamVerb.DEFAULT) -> List[str]:
         tool_path = os.path.normpath(self.tool_path)
         cmd = "".join([shlex.quote(tool_path), self.toolmanifest["manifest"]["commandline"]])
         # NOTE: "waitforexitandrun" seems to be the verb used in by steam to execute stuff
         # `run` is used when setting up the environment, so use that if we are setting up the prefix.
-        verb = "run" if setup else "waitforexitandrun"
-        cmd = cmd.replace("%verb%", verb)
+        cmd = cmd.replace("%verb%", str(verb))
         return shlex.split(cmd)
 
+    def as_str(self, verb: SteamVerb = SteamVerb.DEFAULT):
+        return " ".join(map(shlex.quote, self.command(verb)))
+
     @property
     def checksum(self) -> str:
-        command = " ".join(shlex.quote(part) for part in self.command(setup=False))
-        return md5(command.encode("utf-8")).hexdigest()
+        return md5(self.as_str().encode("utf-8")).hexdigest()
 
 
 @dataclass
@@ -95,9 +108,9 @@ class ProtonTool(SteamRuntime):
             return self.runtime is not None and self.runtime.appid == appid
         return True
 
-    def command(self, setup: bool = False) -> List[str]:
-        cmd = self.runtime.command(setup)
-        cmd.extend(super().command(setup))
+    def command(self, verb: SteamVerb = SteamVerb.DEFAULT) -> List[str]:
+        cmd = self.runtime.command(verb)
+        cmd.extend(super().command(verb))
         return cmd
 
 
@@ -116,9 +129,9 @@ class CompatibilityTool(SteamBase):
         name, data = list(self.compatibilitytool["compatibilitytools"]["compat_tools"].items())[0]
         return data["display_name"]
 
-    def command(self, setup: bool = False) -> List[str]:
-        cmd = self.runtime.command(setup) if self.runtime is not None else []
-        cmd.extend(super().command(setup))
+    def command(self, verb: SteamVerb = SteamVerb.DEFAULT) -> List[str]:
+        cmd = self.runtime.command(verb) if self.runtime is not None else []
+        cmd.extend(super().command(verb))
         return cmd
 
 
@@ -229,6 +242,7 @@ def get_steam_environment(
     # IMPORTANT: keep this in sync with the code below
     environ = {"STEAM_COMPAT_DATA_PATH": compat_path if compat_path else ""}
     if tool is None:
+        environ["STEAM_COMPAT_DATA_PATH"] = ""
         environ["STEAM_COMPAT_CLIENT_INSTALL_PATH"] = ""
         environ["STEAM_COMPAT_LIBRARY_PATHS"] = ""
         environ["STEAM_COMPAT_MOUNTS"] = ""
@@ -282,29 +296,5 @@ if __name__ == "__main__":
     for tool in _tools:
         print(get_steam_environment(tool))
         print(tool.name)
-        print(tool.command())
-        print(" ".join(tool.command()))
-
-
-def find_proton_combos():
-    possible_proton_combos = []
-    compatibilitytools_dirs = [
-        os.path.expanduser("~/.steam/steam/steamapps/common"),
-        "/usr/share/steam/compatibilitytools.d",
-        os.path.expanduser("~/.steam/compatibilitytools.d"),
-        os.path.expanduser("~/.steam/root/compatibilitytools.d"),
-    ]
-    for c in compatibilitytools_dirs:
-        if os.path.exists(c):
-            for i in os.listdir(c):
-                proton = os.path.join(c, i, "proton")
-                compatibilitytool = os.path.join(c, i, "compatibilitytool.vdf")
-                toolmanifest = os.path.join(c, i, "toolmanifest.vdf")
-                if os.path.exists(proton) and (
-                        os.path.exists(compatibilitytool) or os.path.exists(toolmanifest)
-                ):
-                    wrapper = f'"{proton}" run'
-                    possible_proton_combos.append(wrapper)
-    if not possible_proton_combos:
-        logger.warning("Unable to find any Proton version")
-    return possible_proton_combos
+        print(tool.command(SteamVerb.RUN))
+        print(" ".join(tool.command(SteamVerb.RUN_IN_PREFIX)))
diff --git a/rare/utils/compat/utils.py b/rare/utils/compat/utils.py
new file mode 100644
index 00000000..929a5057
--- /dev/null
+++ b/rare/utils/compat/utils.py
@@ -0,0 +1,170 @@
+import os
+import platform
+import subprocess
+from configparser import ConfigParser
+from logging import getLogger
+from typing import Mapping, Dict, List, Tuple
+
+from PyQt5.QtCore import QProcess, QProcessEnvironment
+
+from rare.utils import config_helper as config
+if platform.system() != "Windows":
+    from . import wine
+    if platform.system() != "Darwin":
+        from . import proton
+
+logger = getLogger("CompatUtils")
+
+
+# this is a copied function from legendary.utils.wine_helpers, but registry file can be specified
+def read_registry(registry: str, prefix: str) -> ConfigParser:
+    accepted = ["system.reg", "user.reg"]
+    if registry not in accepted:
+        raise RuntimeError(f'Unknown target "{registry}" not in {accepted}')
+    reg = ConfigParser(comment_prefixes=(';', '#', '/', 'WINE'), allow_no_value=True,
+                       strict=False)
+    reg.optionxform = str
+    reg.read(os.path.join(prefix, 'system.reg'))
+    return reg
+
+
+def get_configured_qprocess(command: List[str], environment: Mapping) -> QProcess:
+    logger.debug("Executing command:  %s", command)
+    proc = QProcess()
+    proc.setProcessChannelMode(QProcess.SeparateChannels)
+    penv = QProcessEnvironment()
+    for ek, ev in environment.items():
+        penv.insert(ek, ev)
+    proc.setProcessEnvironment(penv)
+    proc.setProgram(command[0])
+    proc.setArguments(command[1:])
+    return proc
+
+
+def get_configured_subprocess(command: List[str], environment: Mapping) -> subprocess.Popen:
+    logger.debug("Executing command:  %s", command)
+    return subprocess.Popen(
+        command,
+        stdin=None,
+        stdout=subprocess.PIPE,
+        stderr=None,
+        env=environment,
+        shell=False,
+        text=False,
+    )
+
+
+def execute_subprocess(command: List[str], arguments: List[str], environment: Mapping) -> Tuple[str, str]:
+    proc = get_configured_subprocess(command + arguments, environment)
+    print(proc.args)
+    out, err = proc.communicate()
+    out, err = out.decode("utf-8", "ignore") if out else "", err.decode("utf-8", "ignore") if err else ""
+
+    # lk: the following is a work-around for wineserver sometimes hanging around after
+    proc = get_configured_subprocess(command + ["wineboot", "-k"], environment)
+    _, _ = proc.communicate()
+    return out, err
+
+
+def execute_qprocess(command: List[str], arguments: List[str], environment: Mapping) -> Tuple[str, str]:
+    proc = get_configured_qprocess(command + arguments, environment)
+    proc.start()
+    proc.waitForFinished(-1)
+    out, err = (
+        proc.readAllStandardOutput().data().decode("utf-8", "ignore"),
+        proc.readAllStandardError().data().decode("utf-8", "ignore")
+    )
+    proc.deleteLater()
+
+    # lk: the following is a work-around for wineserver sometimes hanging around after
+    proc = get_configured_qprocess(command + ["wineboot", "-k"], environment)
+    proc.start()
+    proc.waitForFinished(-1)
+    proc.deleteLater()
+
+    return out, err
+
+
+def execute(command: List[str], arguments: List[str], environment: Mapping) -> Tuple[str, str]:
+    # Use the current environment if we are in flatpak or our own if we are on host
+    # In flatpak our environment is passed through `flatpak-spawn` arguments
+    if os.environ.get("container") == "flatpak":
+        flatpak_command = ["flatpak-spawn", "--host"]
+        for name, value in environment.items():
+            flatpak_command.append(f"--env={name}={value}")
+        _command = flatpak_command + command
+        _environment = os.environ.copy()
+    else:
+        _command = command
+        _environment = environment
+
+    try:
+        out, err = execute_qprocess(_command, arguments, _environment)
+    except Exception as e:
+        out, err = "", str(e)
+
+    return out, err
+
+
+def resolve_path(command: List[str], environment: Mapping, path: str) -> str:
+    path = path.strip().replace("/", "\\")
+    # lk: if path does not exist form
+    arguments = ["cmd.exe", "/c", "echo", path]
+    # lk: if path exists and needs a case-sensitive interpretation form
+    # cmd = [wine_cmd, 'cmd', '/c', f'cd {path} & cd']
+    out, err = execute(command, arguments, environment)
+    out, err = out.strip(), err.strip()
+    if not out:
+        logger.error("Failed to resolve wine path due to \"%s\"", err)
+        return out
+    return out.strip('"')
+
+
+def query_reg_path(wine_exec: str, wine_env: Mapping, reg_path: str):
+    raise NotImplementedError
+
+
+def query_reg_key(command: List[str], environment: Mapping, reg_path: str, reg_key) -> str:
+    arguments = ["reg.exe", "query", reg_path, "/v", reg_key]
+    out, err = execute(command, arguments, environment)
+    out, err = out.strip(), err.strip()
+    if not out:
+        logger.error("Failed to query registry key due to \"%s\"", err)
+        return out
+    lines = out.split("\n")
+    keys: Dict = {}
+    for line in lines:
+        if line.startswith(" "*4):
+            key = [x for x in line.split(" "*4, 3) if bool(x)]
+            keys.update({key[0]: key[2]})
+    return keys.get(reg_key, "")
+
+
+def convert_to_windows_path(wine_exec: str, wine_env: Mapping, path: str) -> str:
+    raise NotImplementedError
+
+
+def convert_to_unix_path(command: List[str], environment: Mapping, path: str) -> str:
+    path = path.strip().strip('"')
+    arguments = ["winepath.exe", "-u", path]
+    out, err = execute(command, arguments, environment)
+    out, err = out.strip(), err.strip()
+    if not out:
+        logger.error("Failed to convert to unix path due to \"%s\"", err)
+    return os.path.realpath(out) if (out := out.strip()) else out
+
+
+def get_host_environment(app_environment: Dict, silent: bool = True) -> Dict:
+    # Get a clean environment if we are in flatpak, this environment will be passed
+    # to `flatpak-spawn`, otherwise use the system's.
+    _environ = {} if os.environ.get("container") == "flatpak" else os.environ.copy()
+    _environ.update(app_environment)
+    if silent:
+        _environ["WINEESYNC"] = "0"
+        _environ["WINEFSYNC"] = "0"
+        _environ["WINE_DISABLE_FAST_SYNC"] = "1"
+        _environ["WINEDEBUG"] = "-all"
+        _environ["WINEDLLOVERRIDES"] = "winemenubuilder=d;mscoree=d;mshtml=d;"
+        # lk: pressure-vessel complains about this but it doesn't fail due to it
+        _environ["DISPLAY"] = ""
+    return _environ
diff --git a/rare/utils/runners/wine.py b/rare/utils/compat/wine.py
similarity index 100%
rename from rare/utils/runners/wine.py
rename to rare/utils/compat/wine.py
diff --git a/rare/utils/config_helper.py b/rare/utils/config_helper.py
index 1411c231..75488675 100644
--- a/rare/utils/config_helper.py
+++ b/rare/utils/config_helper.py
@@ -1,5 +1,5 @@
 import os
-from typing import Callable, Optional, Set, Any, List
+from typing import Callable, Optional, Set, Any, List, Tuple
 
 from legendary.core import LegendaryCore
 from legendary.models.config import LGDConf
@@ -127,27 +127,27 @@ def get_proton_compatdata_fallback(app_name: Optional[str] = None, fallback: Any
     return _compat
 
 
-def get_wine_prefixes() -> Set[str]:
-    _prefixes: Set[str] = set()
+def get_wine_prefixes() -> Set[Tuple[str, str]]:
+    _prefixes: Set[Tuple[str, str]] = set()
     for name, section in _config.items():
         pfx = section.get("WINEPREFIX") or section.get("wine_prefix")
         if pfx:
-            _prefixes.update([pfx])
-    _prefixes = {os.path.expanduser(prefix) for prefix in _prefixes}
-    return set(filter(os.path.isdir, _prefixes))
+            _prefixes.update([(pfx, name[:-len(".env")] if name.endswith(".env") else name)])
+    _prefixes = {(os.path.expanduser(p), n) for p, n in _prefixes}
+    return {(p, n) for p, n in _prefixes if os.path.isdir(p)}
 
 
-def get_proton_prefixes() -> Set[str]:
-    _prefixes: Set[str] = set()
+def get_proton_prefixes() -> Set[Tuple[str, str]]:
+    _prefixes: Set[Tuple[str, str]] = set()
     for name, section in _config.items():
         pfx = os.path.join(compatdata, "pfx") if (compatdata := section.get("STEAM_COMPAT_DATA_PATH")) else ""
         if pfx:
-            _prefixes.update([pfx])
-    _prefixes = {os.path.expanduser(prefix) for prefix in _prefixes}
-    return set(filter(os.path.isdir, _prefixes))
+            _prefixes.update([(pfx, name[:-len(".env")] if name.endswith(".env") else name)])
+    _prefixes = {(os.path.expanduser(p), n) for p, n in _prefixes}
+    return {(p, n) for p, n in _prefixes if os.path.isdir(p)}
 
 
-def get_prefixes() -> Set[str]:
+def get_prefixes() -> Set[Tuple[str, str]]:
     return get_wine_prefixes().union(get_proton_prefixes())
 
 
diff --git a/rare/utils/paths.py b/rare/utils/paths.py
index ac7630cb..ba7ab9e3 100644
--- a/rare/utils/paths.py
+++ b/rare/utils/paths.py
@@ -81,6 +81,15 @@ def desktop_dir() -> Path:
 def applications_dir() -> Path:
     return Path(QStandardPaths.writableLocation(QStandardPaths.ApplicationsLocation))
 
+
+def proton_compat_dir(app_name: str) -> Path:
+    return data_dir().joinpath(f"compatdata/{app_name}")
+
+
+def wine_compat_dir(app_name: str) -> Path:
+    return proton_compat_dir(app_name).joinpath("pfx")
+
+
 # fmt: off
 __link_suffix = {
     "Windows": {
diff --git a/rare/utils/runners/__init__.py b/rare/utils/runners/__init__.py
deleted file mode 100644
index 3df2f755..00000000
--- a/rare/utils/runners/__init__.py
+++ /dev/null
@@ -1,109 +0,0 @@
-import os
-import platform
-import subprocess
-from configparser import ConfigParser
-from logging import getLogger
-from typing import Mapping, Dict, List, Tuple, Optional
-
-from rare.utils import config_helper as config
-if platform.system() != "Windows":
-    from . import wine
-    if platform.system() != "Darwin":
-        from . import proton
-
-logger = getLogger("Runners")
-
-
-# this is a copied function from legendary.utils.wine_helpers, but registry file can be specified
-def read_registry(registry: str, prefix: str) -> ConfigParser:
-    accepted = ["system.reg", "user.reg"]
-    if registry not in accepted:
-        raise RuntimeError(f'Unknown target "{registry}" not in {accepted}')
-    reg = ConfigParser(comment_prefixes=(';', '#', '/', 'WINE'), allow_no_value=True,
-                       strict=False)
-    reg.optionxform = str
-    reg.read(os.path.join(prefix, 'system.reg'))
-    return reg
-
-
-def execute(command: List[str], environment: Mapping) -> Tuple[str, str]:
-    if os.environ.get("container") == "flatpak":
-        flatpak_command = ["flatpak-spawn", "--host"]
-        for name, value in environment.items():
-            flatpak_command.append(f"--env={name}={value}")
-        command = flatpak_command + command
-    try:
-        proc = subprocess.Popen(
-            command,
-            stdout=subprocess.PIPE,
-            stderr=subprocess.PIPE,
-            # Use the current environment if we are in flatpak or our own if we are on host
-            # In flatpak our environment is passed through `flatpak-spawn` arguments
-            env=os.environ.copy() if os.environ.get("container") == "flatpak" else environment,
-            shell=False,
-            text=True,
-        )
-        res = proc.communicate()
-    except (FileNotFoundError, PermissionError) as e:
-        res = ("", str(e))
-    return res
-
-
-def resolve_path(command: List[str], environment: Mapping, path: str) -> str:
-    path = path.strip().replace("/", "\\")
-    # lk: if path does not exist form
-    cmd = command + ["cmd", "/c", "echo", path]
-    # lk: if path exists and needs a case-sensitive interpretation form
-    # cmd = [wine_cmd, 'cmd', '/c', f'cd {path} & cd']
-    out, err = execute(cmd, environment)
-    out, err = out.strip(), err.strip()
-    if not out:
-        logger.error("Failed to resolve wine path due to \"%s\"", err)
-        return out
-    return out.strip('"')
-
-
-def query_reg_path(wine_exec: str, wine_env: Mapping, reg_path: str):
-    raise NotImplementedError
-
-
-def query_reg_key(command: List[str], environment: Mapping, reg_path: str, reg_key) -> str:
-    cmd = command + ["reg", "query", reg_path, "/v", reg_key]
-    out, err = execute(cmd, environment)
-    out, err = out.strip(), err.strip()
-    if not out:
-        logger.error("Failed to query registry key due to \"%s\"", err)
-        return out
-    lines = out.split("\n")
-    keys: Dict = {}
-    for line in lines:
-        if line.startswith(" "*4):
-            key = [x for x in line.split(" "*4, 3) if bool(x)]
-            keys.update({key[0]: key[2]})
-    return keys.get(reg_key, "")
-
-
-def convert_to_windows_path(wine_exec: str, wine_env: Mapping, path: str) -> str:
-    raise NotImplementedError
-
-
-def convert_to_unix_path(command: List[str], environment: Mapping, path: str) -> str:
-    path = path.strip().strip('"')
-    cmd = command + ["winepath.exe", "-u", path]
-    out, err = execute(cmd, environment)
-    out, err = out.strip(), err.strip()
-    if not out:
-        logger.error("Failed to convert to unix path due to \"%s\"", err)
-    return os.path.realpath(out) if (out := out.strip()) else out
-
-
-def get_environment(app_environment: Dict, silent: bool = True) -> Dict:
-    # Get a clean environment if we are in flatpak, this environment will be passed
-    # to `flatpak-spawn`, otherwise use the system's.
-    _environ = {} if os.environ.get("container") == "flatpak" else os.environ.copy()
-    _environ.update(app_environment)
-    if silent:
-        _environ["WINEDEBUG"] = "-all"
-        _environ["WINEDLLOVERRIDES"] = "winemenubuilder=d;mscoree=d;mshtml=d;"
-        _environ["DISPLAY"] = ""
-    return _environ