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Free and open-source replacement for the Epic Games Launcher application

Project description

Legendary

A free and open-source Epic Games Launcher alternative

Legendary is an open-source game launcher that can download and install games from the Epic Games platform on Linux and Windows. It's name as a tongue-in-cheek play on tiers of item rarity in many MMORPGs.

Right now Legendary is in beta and not feature-complete. You might run into some bugs or issues. If you do please create an issue on GitHub so we can fix it.

What works:

  • Authenticating with Epic's service
  • Downloading and installing your games and their DLC
  • Delta patching/updating of installed games
  • Launching games with online authentication (for multiplayer/DRM)
  • Syncing cloud saves (compatible with EGL)
  • Running games with WINE on Linux
  • Importing/Exporting installed games from/to the Epic Games Launcher

Planned:

  • Simple GUI for managing/launching games
  • Better interfaces for other developers to use Legendary in their projects
  • Lots and lots of bug fixes, optimizations, and refactoring...

Requirements

  • Linux or Windows (64-bit)
  • python 3.8+ (64-bit on Windows)
  • PyPI packages: requests, optionally setuptools and wheel for setup/building

How to run/install

Package Manager

Several distros already have packages available, check out the Available Linux Packages wiki page for details.

Currently this includes Arch, Fedora, openSUSE, and Gentoo but more will be available in the future.

Note that since packages are maintained by third parties it may take a bit for them to be updated to the latest version. If you always want to have the latest features and fixes available then using the PyPI distribution is recommended.

Standalone

Download the legendary or legendary.exe binary from the latest release and move it to somewhere in your $PATH/%PATH%. Don't forget to chmod +x it on Linux.

The Windows .exe and Linux executable were created with PyInstaller and will run standalone even without python being installed. Note that on Linux glibc >= 2.25 is required, so older distributions such as Ubuntu 16.04 or Debian stretch will not work.

Python package

Legendary is available on PyPI, to install simply run:

pip install legendary-gl

Manually from the repo

  • Install python3.8, setuptools, wheel, and requests
  • Clone the git repository and cd into it
  • Run python3.8 setup.py install

Ubuntu 20.04 example

Ubuntu 20.04's standard repositories include everything needed to install legendary:

sudo apt install python3 python3-requests python3-setuptools-git
git clone https://github.com/derrod/legendary.git
cd legendary
sudo python3 setup.py install

Note that in this example we used sudo to install the package on the system, this may not be advisable depending on your setup.

Directly from the repo (for dev/testing)

  • Install python3.8 and requests (optionally in a venv)
  • cd into legendary/ (the folder with cli.py)
  • run PYTHONPATH=.. python3.8 cli.py

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. On Windows you can use the --import flag to import the authentication from the Epic Games Launcher. Note that this will log you out of the Epic Launcher.

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 install 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.

Importing a previously installed game

$ legendary import-game Anemone /mnt/games/Epic/WorldOfGoo

Note: Importing will require a full verification so Legendary can correctly update the game later.

Sync savegames with the Epic Cloud

$ legendary sync-saves

Note: When this command is run the first time after a supported game has been installed it will ask you to confirm or provide the path to where the savegame is located.

Automatically sync all games with the Epic Games Launcher

$ legendary -y egl-sync

Usage

usage: legendary [-h] [-v] [-y] [-V] {auth,install,download,update,repair,uninstall,launch,list-games,list-installed,list-files,list-saves,download-saves,sync-saves,verify-game,import-game,egl-sync} ...

Legendary v0.0.X - "Codename"

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

Commands:
  {auth,install,download,update,repair,uninstall,launch,list-games,list-installed,list-files,list-saves,download-saves,sync-saves,verify-game,import-game,egl-sync}
    auth                Authenticate with EPIC
    install (download,update,repair)
                        Download a game
    uninstall           Uninstall (delete) a game
    launch              Launch a game
    list-games          List available (installable) games
    list-installed      List installed games
    list-files          List files in manifest
    list-saves          List available cloud saves
    download-saves      Download all cloud saves
    sync-saves          Sync cloud saves
    verify-game         Verify a game's local files
    import-game         Import an already installed game
    egl-sync            Setup or run Epic Games Launcher sync

Individual command help:

Command: auth
usage: legendary auth [-h] [--import] [--code <exchange code>] [--sid <session id>] [--delete]

optional arguments:
  -h, --help            show this help message and exit
  --import              Import Epic Games Launcher authentication data (logs out of EGL)
  --code <exchange code>
                        Use specified exchange code instead of interactive authentication
  --sid <session id>    Use specified session id instead of interactive authentication
  --delete              Remove existing authentication (log out)


Command: install
usage: legendary install <App Name> [options]

Aliases: download, update

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 specified 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: min(2 * CPUs, 16)
  --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               Download all files / ignore existing (overwrite)
  --disable-patching    Do not attempt to patch existing installation (download entire changed files)
  --download-only, --no-install
                        Do not intall app and do not run prerequisite installers after download
  --update-only         Only update, do not do anything if specified app is not installed
  --dlm-debug           Set download manager and worker processes' loglevel to debug
  --platform <Platform>
                        Platform override for download (also sets --no-install)
  --prefix <prefix>     Only fetch files whose path starts with <prefix> (case insensitive)
  --exclude <prefix>    Exclude files starting with <prefix> (case insensitive)
  --install-tag <tag>   Only download files with the specified install tag
  --enable-reordering   Enable reordering optimization to reduce RAM requirements during download (may have adverse results for some titles)
  --dl-timeout <sec>    Connection timeout for downloader (default: 10 seconds)
  --save-path <path>    Set save game path to be used for sync-saves
  --repair              Repair installed game by checking and redownloading corrupted/missing files


Command: uninstall
usage: legendary 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 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
  --language <two letter language code>
                        Override language for game launch (defaults to system locale)
  --wrapper <wrapper command>
                        Wrapper command to launch game with
  --set-defaults        Save parameters used to launch to config (does not include env vars)
  --reset-defaults      Reset config settings for app and exit
  --wine <wine binary>  Set WINE binary to use to launch the app
  --wine-prefix <wine pfx path>
                        Set WINE prefix to use
  --no-wine             Do not run game with WINE (e.g. if a wrapper is used)


Command: list-games
usage: legendary list-games [-h] [--platform <Platform>] [--include-ue] [--csv] [--tsv]

optional arguments:
  -h, --help            show this help message and exit
  --platform <Platform>
                        Override platform that games are shown for (e.g. Win32/Mac)
  --include-ue          Also include Unreal Engine content (Engine/Marketplace) in list
  --csv                 List games in CSV format
  --tsv                 List games in TSV format


Command: list-installed
usage: legendary list-installed [-h] [--check-updates] [--csv] [--tsv] [--show-dirs]

optional arguments:
  -h, --help       show this help message and exit
  --check-updates  Check for updates for installed games
  --csv            List games in CSV format
  --tsv            List games in TSV format
  --show-dirs      Print installation directory in output


Command: list-files
usage: legendary list-files [-h] [--force-download] [--platform <Platform>] [--manifest <uri>] [--csv] [--tsv] [--hashlist] [--install-tag <tag>] [<App Name>]

positional arguments:
  <App Name>            Name of the app (optional)

optional arguments:
  -h, --help            show this help message and exit
  --force-download      Always download instead of using on-disk manifest
  --platform <Platform>
                        Platform override for download (disables install)
  --manifest <uri>      Manifest URL or path to use instead of the CDN one
  --csv                 Output in CSV format
  --tsv                 Output in TSV format
  --hashlist            Output file hash list in hashcheck/sha1sum -c compatible format
  --install-tag <tag>   Show only files with specified install tag


Command: list-saves
usage: legendary list-saves [-h] [<App Name>]

positional arguments:
  <App Name>  Name of the app (optional)

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


Command: download-saves
usage: legendary download-saves [-h] [<App Name>]

positional arguments:
  <App Name>  Name of the app (optional)

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


Command: sync-saves
usage: legendary sync-saves [-h] [--skip-upload] [--skip-download] [--force-upload] [--force-download] [--save-path <path>] [--disable-filters] [<App Name>]

positional arguments:
  <App Name>          Name of the app (optional)

optional arguments:
  -h, --help          show this help message and exit
  --skip-upload       Only download new saves from cloud, don't upload
  --skip-download     Only upload new saves from cloud, don't download
  --force-upload      Force upload even if local saves are older
  --force-download    Force download even if local saves are newer
  --save-path <path>  Override savegame path (requires single app name to be specified)
  --disable-filters   Disable save game file filtering


Command: verify-game
usage: legendary verify-game [-h] <App Name>

positional arguments:
  <App Name>  Name of the app

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


Command: import-game
usage: legendary import-game [-h] [--disable-check] <App Name> <Installation directory>

positional arguments:
  <App Name>            Name of the app
  <Installation directory>
                        Path where the game is installed

optional arguments:
  -h, --help            show this help message and exit
  --disable-check       Disables completeness check of the to-be-imported game installation (useful if the imported game is a much older version or missing files)


Command: egl-sync
usage: legendary egl-sync [-h] [--egl-manifest-path EGL_MANIFEST_PATH] [--egl-wine-prefix EGL_WINE_PREFIX] [--enable-sync] [--disable-sync] [--one-shot] [--import-only] [--export-only] [--unlink]

optional arguments:
  -h, --help            show this help message and exit
  --egl-manifest-path EGL_MANIFEST_PATH
                        Path to the Epic Games Launcher's Manifests folder, should point to /ProgramData/Epic/EpicGamesLauncher/Data/Manifests
  --egl-wine-prefix EGL_WINE_PREFIX
                        Path to the WINE prefix the Epic Games Launcher is installed in
  --enable-sync         Enable automatic EGL <-> Legendary sync
  --disable-sync        Disable automatic sync and exit
  --one-shot            Sync once, do not ask to setup automatic sync
  --import-only         Only import games from EGL (no export)
  --export-only         Only export games to EGL (no import)
  --unlink              Disable sync and remove EGL metadata from installed games

Environment variables

Legendary supports overriding certain things via environment variables, it also passes through any environment variables set before it is called.

Legendary specific environment variables:

  • LGDRY_WINE_BINARY - specifies wine binary
  • LGDRY_WINE_PREFIX - specified wine prefix
  • LGDRY_NO_WINE - disables wine
  • LGDRY_WRAPPER - specifies wrapper binary/command line

Note that the priority for settings that occur multiple times is: command line > environment variables > config variables.

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
; locale override, must be in RFC 1766 format (e.g. "en-US")
locale = en-US
; whether or not syncing with egl is enabled
egl_sync = false
; path to the "Manifests" folder in the EGL ProgramData directory
egl_programdata = /home/user/Games/epic-games-store/drive_c/... 

; default settings to use (currently limited to WINE executable)
[default]
; (linux) specify wine executable to use
wine_executable = wine
; wine prefix (alternative to using environment variable)
wine_prefix = /home/user/.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 = /path/to/proton/wine64
; override language with two-letter language code
language = fr

[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

[AppName2]
; Use a wrapper to run this script
wrapper = /path/to/wrapper --parameters
; Do not run this executable with WINE (e.g. when the wrapper handles that)
no_wine = true

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