Hello @Glorpze, please add PROTON_LOG=1 %command% to some of the affected game's launch options and attach the generated $HOME/steam-$APPID.log to this issue report as a file. (Proton logs compress well if needed.)
`
This one was for Sonic x Shadow Generations but results should be similar for other games that re affected
you can use verify file integrity on steam linux runtime etc by filtering to tools instead of games
Unfortunately i have tried that before and didn't work is there another solution?
PROTON_LOG=1x1 2025-06
I used a Decky Loader plugin called "Storage Cleaner" to delete my compatibility data files and free up space. However, now when I try to launch Sonic x Shadow Generations, the game doesn’t start. I’ve tried different Proton versions and checked the compatibility data folder for issues but found no solution. I would appreciate any help with this!
OS: SteamOS (Arch Linux)
Steam Deck model: 512 GB LCD
Game tested: Sonic Frontiers, Sonic X Shadow Generations , Sonic Colors Ultimate, ULTRAKILL, Half life 2, Rec Room
(ULTRAKILL, Half life 2, and Rec Room worked fine)
Steam OS Version: 3.7.8