protonscr

STEAM_COMPAT_DATA_PATH

126 threads 51 games 202 mentions 2018-08 to 2026-09

Directory Proton uses for the game's prefix and state. It is required when running Proton outside of Steam.

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Values people posted
STEAM_COMPAT_DATA_PATH39
STEAM_COMPAT_DATA_PATH=~/.proton/8
STEAM_COMPAT_DATA_PATH=$STEAM_COMPAT_CLIENT_INSTALL_PATH/steamapps/compatdata/$STEAM_COMPAT_APP_ID %command%3
STEAM_COMPAT_DATA_PATH=proton_prefix_path %command%3
STEAM_COMPAT_DATA_PATH="/home/raphael/.local/share/Steam/steamapps/compatdata/1250410"3
STEAM_COMPAT_DATA_PATH=$STEAM_COMPAT_CLIENT_INSTALL_PATH/steamapps/compatdata/$STEAM_COMPAT_APP_ID3
STEAM_COMPAT_DATA_PATH=proton_prefix_path3
STEAM_COMPAT_DATA_PATH=~/.local/share/steam/steamapps/compatdata/7823303
STEAM_COMPAT_DATA_PATH=~/.steam/steam/steamapps/compatdata/9492303
STEAM_COMPAT_DATA_PATH="/home/MYUSERNAME/.local/share/Steam/steamapps/compatdata/3955941937" gamemoderun %command%2
Games discussing it
Cyberpunk 20779 mentions
Red Dead Redemption 28 mentions
Falcon 4.05 mentions
Battlefield™ 14 mentions
Mini Motorways3 mentions
Mount & Blade II: Bannerlord3 mentions
Age of Empires II: Definitive Edition3 mentions
DOOM Eternal3 mentions
Cities: Skylines II3 mentions
R.E.P.O.2 mentions
BioShock® 22 mentions
Watch_Dogs® 22 mentions
Threads
Red Dead Redemption 2 protonopen8 mentions
exFAT support protonopen7 mentions
Cyberpunk 2077 protonopen6 mentions
Some games added as non-steam games not setting compat paths correctly with Proton. steamopen5 mentions
Falcon 4.0 protonopen5 mentions
Battlefield 1 not launching at all protonclosed4 mentions
Battlefield 1 protonopen4 mentions
The single Proton prefix by default or as option in general protonclosed4 mentions
The proton script should be able to run executables via the windows search path protonclosed3 mentions
Doom Eternal - Initial month of feedback protonclosed3 mentions
Mount & Blade II: Bannerlord protonopen3 mentions
For non-Steam games: %command% in the launch options is not interpreted steamclosed3 mentions

Recent mentions

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