🎮 Install gamemode

sudo apt install -y gamemode

🔍 Check service gamemode

systemctl --user status gamemoded

output:

○ gamemoded.service - gamemoded 
      Loaded: loaded (/usr/lib/systemd/user/gamemoded.service; 
      disabled; 
      preset: enabled) 
      Active: inactive (dead)

🧪 Run test

gamemoded -t

output:

: Loading config
Loading config file [/usr/share/gamemode/gamemode.ini]
: Running tests

:: Basic client tests
:: Passed

:: Dual client tests
gamemode request succeeded and is active
Quitting by request...
:: Passed

:: Gamemoderun and reaper thread tests
...Waiting for child to quit...
...Waiting for reaper thread (reaper_frequency set to 5 seconds)...
:: Passed

:: Supervisor tests
:: Passed

:: Feature tests
::: Verifying CPU governor setting
::: Passed
::: Verifying Scripts
::: Passed (no scripts configured to run)
::: Verifying GPU Optimisations
::: Passed (gpu optimisations not configured to run)
::: Verifying renice
::: Passed (no renice configured)
::: Verifying ioprio
::: Passed
:: Passed

: All Tests Passed!

✅ GameMode is correctly installed and working.

🕹️ Test in game

🚀 Install GE-Proton

⬇️ Download latest version

🔗 https://github.com/GloriousEggroll/proton-ge-custom/releases

• Uncompress file GE-ProtonXX-XX.tar.gz
• Copy extracted folder to:

  ~/.local/share/Steam/compatibilitytools.d/

⚙️ Activate GE-Proton on Steam

Metal Gear Solid V

• Proton version: GE-Proton10-27

• Command:

  WINE_FULLSCREEN_FSR=1 WINE_FULLSCREEN_FSR_MODE=quality WINE_FULLSCREEN_FSR_CUSTOM_MODE=1920x1080 DXVK_ASYNC=1 PROTON_FSR3_UPGRADE=1 RADV_PERFTEST=aco PROTON_ENABLE_WAYLAND=1 gamemoderun %command%

• Settings game:

  

• Link: https://store.steampowered.com/app/287700/METAL_GEAR_SOLID_V_THE_PHANTOM_PAIN/

• OS: Debian 13

• Desktop: Gnome 48 wayland

• Kernel: 6.18.2

---

Metal Gear Solid 3

• Proton version: GE-Proton10-27

• Command:

  WINE_FULLSCREEN_FSR=1 WINE_FULLSCREEN_FSR_MODE=quality WINE_FULLSCREEN_FSR_CUSTOM_MODE=1920x1080 %command%

  ⚠️ When adding RADV_PERFTEST=aco PROTON_ENABLE_WAYLAND=1, the controller stops working in the game.

• Settings game:

  

• Link: MASTER COLLECTION Vol.1

• Link: https://store.steampowered.com/app/2131650/METAL_GEAR_SOLID_3_Snake_Eater__Master_Collection_Version/

• OS: Debian 13

• Desktop: Gnome 48 wayland

• Kernel: 6.18.2

---

Mortal Kombat 11 Ultimate

• Proton version: GE-Proton10-27

• Command:

  WINE_FULLSCREEN_FSR=1 WINE_FULLSCREEN_FSR_MODE=quality WINE_FULLSCREEN_FSR_CUSTOM_MODE=1920x1080 DXVK_ASYNC=1 PROTON_FSR3_UPGRADE=1 RADV_PERFTEST=aco PROTON_ENABLE_WAYLAND=1 gamemoderun %command%

• Settings game:

  

• Link: https://store.steampowered.com/app/976310/Mortal_Kombat_11/

• OS: Debian 13

• Desktop: Gnome 48 wayland

• Kernel: 6.18.2

---

Resident Evil 2

• Proton version: GE-Proton10-27

• Command:

  WINE_FULLSCREEN_FSR=1 WINE_FULLSCREEN_FSR_MODE=quality WINE_FULLSCREEN_FSR_CUSTOM_MODE=1920x1080 DXVK_ASYNC=1 PROTON_FSR3_UPGRADE=1 RADV_PERFTEST=aco PROTON_ENABLE_WAYLAND=1 gamemoderun %command%

• Settings game:

  

• Link: https://store.steampowered.com/app/883710/Resident_Evil_2/

• OS: Debian 13

• Desktop: Gnome 48 wayland

• Kernel: 6.18.2

---

Resident Evil 3

• Proton version: GE-Proton10-27

• Command:

  WINE_FULLSCREEN_FSR=1 WINE_FULLSCREEN_FSR_MODE=quality WINE_FULLSCREEN_FSR_CUSTOM_MODE=1920x1080 DXVK_ASYNC=1 PROTON_FSR3_UPGRADE=1 RADV_PERFTEST=aco PROTON_ENABLE_WAYLAND=1 gamemoderun %command%

• Settings game:

  

• Link: https://store.steampowered.com/app/952060/Resident_Evil_3/

• OS: Debian 13

• Desktop: Gnome 48 wayland

• Kernel: 6.18.2

---

Resident Evil 4

• Proton version: GE-Proton10-27

• Command:

  WINE_FULLSCREEN_FSR=1 WINE_FULLSCREEN_FSR_MODE=quality WINE_FULLSCREEN_FSR_CUSTOM_MODE=1920x1080 DXVK_ASYNC=1 PROTON_FSR3_UPGRADE=1 RADV_PERFTEST=aco PROTON_ENABLE_WAYLAND=1 gamemoderun %command%

• Settings game:

  

• Link: https://store.steampowered.com/app/2050650/Resident_Evil_4/

• OS: Debian 13

• Desktop: Gnome 48 wayland

• Kernel: 6.18.2

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