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Getting Started
See our download page to see the system requirements, installation instructions, and to download the installation media.
Once installation is complete and the computer is restarted, you will be presented with some basic setup screens after which you will need to login to Steam.
Once logged in to Steam, you will be presented with Big Picture Mode.
For those who have an AMD GPU and want to have the Steam Deck experience instead of the default Big Picture Mode, you will have to get to a console and run chimera-session gamepadui. Once this is done, the Gamepad UI will be used even after a reboot.
Gamepad UI is currently very buggy on Nvidia and Intel GPUs and is not recommended for use. Once this situation improves, Gamepad UI will become the default user interface in ChimeraOS.
You can install any Steam game, but not all games will work. You can check out our game compatibility page for a limited set of games that have been tested specifically on ChimeraOS. For more general Linux game compatibility information, see ProtonDB.
ChimeraOS supports installing games and apps from Epic Games Store, GOG, Flathub and even allows you to upload ROMs for many retro console platforms out of the box.
This is done through a web app that allows you to connect to your ChimeraOS computer remotely.
You can connect to the Chimera web app via any browser on a phone or another computer.
Navigate to 'Library' and select the platform for which you want to install games. Epic Games Store and GOG require you to login to the respective stores. Follow the instructions presented on screen to do so.
All games installed through the Chimera web app will be automatically added to Steam. However, Steam needs to be restarted before the new games will appear. The easiest way to do that is to restart the computer.
The following retro console platforms require BIOS files to function. Follow the links for details on the required BIOS files:
- 32X
- 3DO
- Neo Geo
- PlayStation
- Saturn
- Sega/Mega CD
BIOS files must be uploaded under their respective platforms just as if they were games. However, when entering the name, you must omit the file extension.
The final filename of the BIOS file is a combination of the name entered when uploading the file, plus the extension of the uploaded file itself. This combined file name must match what the emulator is expecting.