protonscr

The Witcher 2: Assassins of Kings Enhanced Edition

appid 20920 1 threads, 1 open 59 comments last activity 2026-10-25
Latest maintainer comment · kisak-valve · 2026-10-25 · #2309
Hello @FATelarico, it's hard to tell, but this reads like https://github.com/ValveSoftware/steam-runtime/issues/470. I'd check if Steam Linux Runtime 3.0 (used with Proton 10) and Steam Linux Runtime 4.0 (used with Proton 11) are on the same Steam library folder. If they aren't that could explain the difference in behavior. Regardless, if you're pulling in an unexpected folder, then `STEAM_COMPAT_...
Threads

The Witcher 2 proton open

#2309 · 59 comments · opened 2019-02-04 · last comment 2026-10-25 by kisak-valve
Recent activity
  • kisak-valvemaintainer · 2026-10-25 · The Witcher 2
    Hello @FATelarico, it's hard to tell, but this reads like https://github.com/ValveSoftware/steam-runtime/issues/470. I'd check if Steam Linux Runtime 3.0 (used with Proton 10) and Steam Linux Runtime 4.0 (used with Proto...
  • kisak-valvemaintainer · 2026-10-25 · The Witcher 2
    Cannot run GOG offline installer if they are on a different physically than `/` Issue transferred from https://github.com/ValveSoftware/Proton/issues/10309. @FATelarico posted on 2026-10-25T11:41:35: # Compatibility Repo...
  • oakad · 2023-08-02 · The Witcher 2
    This game has plenty of crashes on all versions of Proton, though Proton 8 is relatively stable (as expressed in crashes per hour terms :-). However, it also exhibits a peculiar behavior, whereupon the game appears to ig...
  • IBNobody · 2022-04-30 · The Witcher 2
    > Progress! Decided to play Deus Ex Revision instead (which has no native Linux version), and noticed that it downloaded Steamworks Common Redistributables (which it didn't for Witcher 2). Launched W2 after that, and it ...
  • rihardsk · 2022-01-11 · The Witcher 2
    I've resolved the issue in my previous post. Some web searching revealed that the issue isn't exclusive to Linux+Proton but also happens on Windows. Some workaround suggested disabling hyperthreading, which pointed me to...
  • rihardsk · 2021-11-12 · The Witcher 2
    I have a different issue – the launcher starts, but after i click on "Launch game" the game gets stuck on the splash screen (the wolf medallion logo). Logs: [steam-20920.log](https://github.com/ValveSoftware/Proton/files...
  • smbkr · 2021-08-26 · The Witcher 2
    I seem to be experiencing similar problems. Here's a log from trying to launch the game: https://pastebin.com/XVEaHwty It seems to be failing to load some DLLs: [code] I've tried Proton Experimental, 6.3-6, and 5.13-6, s...
  • ArtyIF · 2021-07-29 · The Witcher 2
    To #5027 - the first time setup mentioned DirectX Runtime and VC++ Redist 2010, so these are needed to be downloaded through Steamworks Common Redistributables. Also I saw people mention .NET Framework 4, but I'm not sur...

Proton versions over time

Launch lines, newest first

STEAM_COMPAT_MOUNTS=/path/to/unexpected/folder %command%
PROTON_USE_D9VK=1 %command%
PROTON_LOG=1 PROTON_USE_D9VK=1 %command%
PROTON_LOG=1 %command% PROTON_USE_D9VK=1
PROTON_USE_D9VK=1 %command% PROTON_LOG=1