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Portal 2: Community Edition
steam #440000
resolution tested
2560x1080
3440x1440
3840x1600
3840x1080
5120x1440
5120x2160
proton version
GE-Proton
Proton Experimental
Proton 9.0-4
Proton Hotfix
Native
status
works
partial
broken
launch options
(optional)
-windowed -w 3440 -h 1440
WINEDLLOVERRIDES="d3d11=n,b" %command%
PROTON_USE_WINED3D=1 %command%
gamemoderun %command%
As pasted into Steam → Properties → Launch Options.
notes
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