protonscr

Natural Selection 2

appid 4920 1 threads, 1 open 34 comments last activity 2026-06-30
Latest maintainer comment · kisak-valve · 2026-06-29 · #2234
Hello @s1LenT0R, 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 $HOME/steam-$APPID.log to this issue report as a file. (Proton logs compress well if needed.)
Threads

Natural Selection 2 proton open 1 matching

#2234 · 34 comments · opened 2019-01-18 · last comment 2026-06-30 by s1LenT0R
comment by terencode · 2020-04-10 · view · github
... to navigate to the `x64` folder and replace `SDL2.dll` with one from an older version, for example ...
Recent activity
  • s1LenT0R · 2026-06-30 · Natural Selection 2
    [steam-4920.zip](https://github.com/user-attachments/files/29519697/steam-4920.zip) there you go guys, 104 MB log file, lol. Also here's a screenshot of the game's console:
  • AJuujarvi · 2026-06-29 · Natural Selection 2
    @s1LenT0r I was able to reproduce this issue, we can look into it :)
  • kisak-valvemaintainer · 2026-06-29 · Natural Selection 2
    Hello @s1LenT0R, 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 $HOME/steam-$APPID.l...
  • kisak-valvemaintainer · 2026-06-29 · Natural Selection 2
    Some sort of regression in Proton versions after 10 causes Natural Selection 2 file inconsistency errors when connecting to a game server Issue transferred from https://github.com/ValveSoftware/Proton/issues/9917. @s1Len...
  • zaggynl · 2022-04-21 · Natural Selection 2
    While it still plays through Proton on PC, it does not start in Game mode on the Deck. Have yet to try Desktop mode, I assume it also works there. Edit: I had to enable 'Force the use of a specific Steam Play compatibili...
  • rkfg · 2020-10-24 · Natural Selection 2
    Sorry! This is my info from another report a couple of days ago: https://gist.github.com/rkfg/543f2eac2fb0c099a0e3c7f246d7a4fa
  • kisak-valvemaintainer · 2020-10-24 · Natural Selection 2
    Hello @rkfg, please copy your system information from Steam (`Steam` -> `Help` -> `System Information`) and put it in a [gist](https://gist.github.com/), then include a link to the gist in this issue report.
  • rkfg · 2020-10-24 · Natural Selection 2
    There's a new issue with the newer Proton, I experienced it at least in 5.9-GE but it's still present in the official 5.13. After several rounds and map changes I see severe FPS drops, from 160 to 70. `r_stats` command d...

Proton versions over time

Launch lines, newest first

PROTON_NO_ESYNC=1 %command%