The actual percentage is higher. Steam has a lot of games they mark as unplayable that are very much playable with only a few tweaks, but since they don't just

The actual percentage is higher. Steam has a lot of games they mark as unplayable that are very much playable with only a few tweaks, but since they don't just work right when you press play they say it's unplayable. ProtonDB is better, though it does move slowly. Basically if protonDB says it isn't borked, the game will run.