Total War: WARHAMMER III
15 sourced launch options for Total War: WARHAMMER III on Steam ↗.
DeveloperCREATIVE ASSEMBLY
PublisherSEGA
Released2022-02-16
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DXVK_ASYNC=1 %command%CopyEnable asynchronous pipeline compilation in DXVK builds patched with dxvk-asyncProton-Deck -
PROTON_ENABLE_NVAPI=1 %command%CopyEnable NVIDIA's NVAPI GPU support libraryProton-Deck -
PROTON_ENABLE_WAYLAND=1 %command%CopyUse Wine's experimental Wayland driver instead of the default X11 driver, in GE-Proton and Proton-CachyOS (Valve's Proton does not include it)Proton-Deck -
PROTON_NO_D3D11=1 %command%CopyDisable d3d11.dll (Linux, Proton)- Effect
- For d3d11 games that can fall back to d3d9 and run better that way.
Proton-DeckDisplayValve Proton Added Jul 9, 2026 Last checked Sep 13, 2026 Also documented for this game on ProtonDB · checked Nov 9, 2026Safe -
PROTON_NO_ESYNC=1 %command%CopyDisable eventfd-based synchronisation (Linux, Proton)- Effect
- Turns off in-process esync primitives. Worth trying for games that hang or crash under Proton.
Proton-DeckValve Proton Added Jul 8, 2026 Last checked Sep 13, 2026 Also documented for this game on ProtonDB · checked Nov 9, 2026Safe -
PROTON_NO_FSYNC=1 %command%CopyDo not use futex-based in-process synchronization primitivesProton-Deck -
PROTON_USE_WAYLAND=1 %command%CopyAn alias of PROTON_ENABLE_WAYLAND: use Wine's experimental Wayland driver instead of the default X11 driver, in GE-Proton and Proton-CachyOS (Valve's Proton does not include it)Proton-Deck -
PROTON_USE_WINED3D11=1 %command%CopyThe original name of PROTON_USE_WINED3D, still accepted as an alias: use OpenGL-based wined3d instead of Vulkan-based DXVKProton-DeckDisplay -
WINE_FULLSCREEN_FSR=1 %command%CopyUpscale with AMD FidelityFX Super Resolution (FSR) through GE-Proton's fullscreen hack, in Vulkan games (DXVK and VKD3D-Proton included)Proton-DeckDisplay -
WINEESYNC=1 %command%CopyTurn on eventfd-based synchronization (esync) in Wine builds that implement itProton-Deck -
WINEFSYNC=1 %command%CopyTurn on futex-based synchronization (fsync) in Wine builds that implement itProton-Deck -
gamemoderun %command%CopyRun the game under Feral GameMode (Linux)- Effect
- Applies temporary host optimisations (CPU governor, I/O and process priority) for the game's lifetime, then restores them on exit. GameMode runs the game, so %command% is what it runs.
Proton-DeckFeral GameMode Added Jun 29, 2026 Last checked Sep 24, 2026 Also documented for this game on ProtonDB · checked Nov 9, 2026Safe -
mangohud %command%CopyShow the MangoHud performance overlay (Linux)- Effect
- Draws FPS, frame timing and CPU/GPU load over Vulkan and OpenGL games. MangoHud runs the game, so %command% is what it runs.
Proton-Deck -
-hCopySet the window height in pixels- Effect
- Forces the game to start at the given vertical resolution instead of the saved or auto-detected one.
- Example
-w 1920 -h 1080
DisplaySafe -
-wCopySet the window width in pixels- Effect
- Forces the game to start at the given horizontal resolution instead of the saved or auto-detected one. Pass -h as well to set height explicitly; on its own, height is derived from the aspect ratio.
- Example
-w 1920 -h 1080
DisplaySafe
How to apply a launch option on Steam
- Open Steam and go to your Library.
- Right-click the game and choose Properties.
- On the General tab, find the Launch Options field.
- Type or paste the option (e.g.
-windowed) into the field. To use several at once, separate them with spaces (e.g.-windowed -novid). - Close Properties. Steam saves automatically, and the option applies next time you launch the game.
To remove one, reopen the same field and delete the text. Options are game-specific; an option that helps one game may do nothing (or misbehave) in another.
Worth knowing: a launch option can break a game's rendering, reset local settings, or trip anti-cheat in multiplayer. Read the description first, add one at a time, and treat anything rated above Safe as a deliberate experiment.
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