Source SDK Base 2013 Singleplayer

Source SDK Base 2013 Singleplayer proton open

• niobium93 · 2026-05-19 · Source SDK Base 2013 Singleplayer
  The 'Setup file 'gameinfo.txt' doesn't exist in subdirectory' issue happens to me too. Proton 10 works fine, 11 and Experimental are broken. Source 2007, 2013 SP and 2013 MP are all broken. Logs for all on Proton 11: Sou...
• sylveonsylvia · 2026-05-06 · Source SDK Base 2013 Singleplayer
  proton experimental: does not launch. says it cant find gameinfo.txt in any sourcemod i try to launch in steam proton 11: same as experimental proton 10: launches sourcemods successfully, no errors heres the logs [proton...
• kisak-valvemaintainer · 2026-05-04 · Source SDK Base 2013 Singleplayer
  Hello @sylveonsylvia, please add [`PROTON_LOG=1 %command%`](https://github.com/ValveSoftware/Proton#runtime-config-options) to the game's launch options, reproduce the regression, and attach the generated $HOME/steam-$AP...
• kisak-valvemaintainer · 2026-05-04 · Source SDK Base 2013 Singleplayer
  source sdk 2013 sp mods fail to launch Issue transferred from https://github.com/ValveSoftware/Proton/issues/9741. @sylveonsylvia posted on 2026-05-04T09:08:26: all source sdk 2013 sp mods fail to launch in proton experi...
• JD-The-65th · 2022-04-25 · Source SDK Base 2013 Singleplayer
  Try an older version of proton, say 4.13. However, it is odd that this occurs. Same happens in Portal 2 Authoring Tools
• thepwds · 2022-04-25 · Source SDK Base 2013 Singleplayer
  Well i probably look dumb now! I don't think i was running it with Proton. Running it with proton PROPERLY, it looks like this (worse!). The entire UI flickers and is black and broken. ![image](https://user-images.github...