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Legendary Game Launcher

A free and open-source Epic Games Launcher replacement

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Legendary (named after the next highest tier in item rarity) is an open-source game launcher that can download and install games from the Epic Games Store on Linux and Windows.

Right now it is in an early public pre-release stage and still needs a lot of work to work. But it does work!

What works:

  • Authenticate with Epic
  • Download and install games
  • Update installed games and their DLC
  • Launch games with online authentication

Planned:

  • Better Linux and WINE support
  • Importing installed games from the EGS launcher
  • PyPI distribution
  • Miscellaneous optimizations
  • Simple GUI for managing/launching games
  • Lots and lots of bug fixes and refactoring...

Requirements

  • python 3.8+
  • requests

How to install

  • Windows (standalone): Download the latest EXE from GitHub
  • Linux/Windows (requires setuptools to be installed): python3.8 setup.py install

A PyPI package will follow once it has gotten more testing.

The Windows .exe was created with PyInstaller and will run standalone without python being installed.

Quickstart

To log in:

$ legendary auth

Authentication is a little finicky since we have to go through the Epic website. The login page should open in your browser and after logging in you should be presented with a JSON response that contains a code, just copy and paste the code into your terminal to log in.

Listing your games

$ legendary list-games

This will fetch a list of games available on your account, the first time may take a while depending on how many games you have.

Installing a game

$ legendary download Anemone

Important: the name used for these commands is the app name, not the game's name! The app name is in the parentheses after the game title in the games list.

List installed games and check for updates

$ legendary list-installed --check-updates

Launch (run) a game with online authentication

$ legendary launch Anemone

Tip: most games will run fine offline (--offline), and thus won't require launching through legendary for online authentication. You can run legendary launch <App Name> --offline --dry-run to get a command line that will launch the game with all parameters that would be used by the Epic Launcher. These can then be entered into any other game launcher (e.g. Lutris/Steam) if the game requires them.

Usage

usage: legendary [-h] [-v] [-y] {auth,download,uninstall,launch,list-games,list-installed} ...

Legendary Game Launcher

optional arguments:
  -h, --help            show this help message and exit
  -v                    Set loglevel to debug
  -y                    Default to yes for all prompts

Commands:
  {auth,download,uninstall,launch,list-games,list-installed}
    auth                Authenticate with EPIC
    download            Download a game
    uninstall           Uninstall (delete) a game
    launch              Launch a game
    list-games          List available (installable) games
    list-installed      List installed games

Individual command help:

Command: auth
usage: legendary.exe auth [-h] [--import]

optional arguments:
  -h, --help  show this help message and exit
  --import    Import EGS authentication data


Command: download
usage: legendary.exe download <App Name> [options]

positional arguments:
  <App Name>            Name of the app

optional arguments:
  -h, --help            show this help message and exit
  --base-path <path>    Path for game installations (defaults to ~/legendary)
  --game-folder <path>  Folder for game installation (defaults to folder in metadata)
  --max-shared-memory <size>
                        Maximum amount of shared memory to use (in MiB), default: 1 GiB
  --max-workers <num>   Maximum amount of download workers, default: 2 * logical CPU
  --manifest <uri>      Manifest URL or path to use instead of the CDN one (e.g. for downgrading)
  --old-manifest <uri>  Manifest URL or path to use as the old one (e.g. for testing patching)
  --base-url <url>      Base URL to download from (e.g. to test or switch to a different CDNs)
  --force               Ignore existing files (overwrite)
  --disable-patching    Do not attempt to patch existing installations (download entire changed file)
  --download-only       Do not mark game as intalled and do not run prereq installers after download
  --update-only         Abort if game is not already installed (for automation)
  --dlm-debug           Set download manager and worker processes' loglevel to debug


Command: uninstall
usage: legendary.exe uninstall [-h] <App Name>

positional arguments:
  <App Name>  Name of the app

optional arguments:
  -h, --help  show this help message and exit


Command: launch
usage: legendary.exe launch <App Name> [options]

Note: additional arguments are passed to the game

positional arguments:
  <App Name>            Name of the app

optional arguments:
  -h, --help            show this help message and exit
  --offline             Skip login and launch game without online authentication
  --skip-version-check  Skip version check when launching game in online mode
  --override-username <username>
                        Override username used when launching the game (only works with some titles)
  --dry-run             Print the command line that would have been used to launch the game and exit


Command: list-games
usage: legendary.exe list-games [-h]

optional arguments:
  -h, --help  show this help message and exit


Command: list-installed
usage: legendary.exe list-installed [-h] [--check-updates]

optional arguments:
  -h, --help       show this help message and exit
  --check-updates  Check for updates when listing installed games

Config file

Legendary supports some options as well as game specific configuration in ~/.config/legendary/config.ini:

[Legendary]
log_level = debug
; maximum shared memory (in MiB) to use for installation
max_memory = 1024
; default install directory
install_dir = /mnt/tank/games

; default settings to use (currently limited to WINE executable)
[default]
; (linux) specify wine executable to use
wine_executable = wine

; default environment variables to set (overriden by game specific ones)
[default.env]
WINEPREFIX = /home/user/legendary/.wine

; Settings to only use for "AppName"
[AppName]
; launch game without online authentication by default
offline = true
; Skip checking for updates when launching this game
skip_update_check = true
; start parameters to use (in addition to the required ones)
start_params = -windowed
wine_executable = proton

[AppName.env]
; environment variables to set for this game (mostly useful on linux)
WINEPREFIX = /mnt/tank/games/Game/.wine
DXVK_CONFIG_FILE = /mnt/tank/games/Game/dxvk.conf