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Add your own launch options for your steam games.
- Download latest release
- Open the app and wait for the games to be scanned
- After scanning, you will see a window with all the installed games.

The configuration changes the Steam files to run steam-launch-custom to intercept the launch of the game and open a window with launch options.
- Open the app and select a game
- In the window that opens, click the "CONFIGURE" button
- To reset the configuration, click on the round red button with a cross.
- Changing the configuration status requires overwriting the Steam files and restarting it. To do this, go back to the games page using the left arrow. You will see a notification saying "You need to close Steam and rewrite launch options". Click on the "NOW" button
- Open the app and select a game
- To add a launch option, you need to configure the game.
- Click on the round green button with a plus to add a new launch option.
- In the window that opens, specify the name of the option, the executable file, the startup parameters, and the working directory, if necessary. Click on the "SAVE" button
- To remove a launch option, click the trash icon next to the desired one.
- To modify a launch option, click the pencil icon next to the desired one.
- After configuring and adding launch, you can launch the game in several ways.
- Launch the game using Steam
- Launch the game using steam-launch-custom select the game and click on the "LAUNCH" button. The game will still be launched via Steam, as the
steam//rungameid/{app_id}request is being processed
- To launch the game, click on the "LAUNCH" button next to the desired one. The first launch option is the original game that Steam is trying to launch.
- To cancel the launch, click on the "CANCEL" button







