: If you meant the GUI file synchronization client for Google Drive, you can find a detailed setup guide on CelesteLinuxifier GitHub script
If you cannot get the native Linux build to work despite all fixes, you can fall back to running the Windows version via . While not ideal, Proton 5 and later run Celeste flawlessly (rated Platinum on ProtonDB). However, you will lose some native integration and may encounter issues with certain modding tools. Celeste-linux.zip WORK
If you run the game from the terminal using ./Celeste and see an error referencing FNA.dll or Microsoft.Xna.Framework , your system's native environment is failing to handle the bundled libraries. : If you meant the GUI file synchronization