Grand Theft Auto IV: Complete Edition
44 community-verified launch options for Grand Theft Auto IV: Complete Edition on Steam ↗.
DeveloperRockstar North
PublisherRockstar Games
EngineRAGE
-
-windowedCopyRun in windowed mode (Unreal Engine and Source games)- Effect
- Unreal documents pairing it with an explicit resolution. In Source -window, -sw and -startwindowed are the same option.
- Example
-windowed -ResX=1920 -ResY=1080
DisplaySafe -
-fullspecaudioCopyForces higher quality audio (default)AudioSafe -
-minspecaudioCopyForces lower quality audio, good for lower-end CPUs (removes some extra audio details, not reducing audio quality; reduces CPU load)AudioSafe -
-availablevidmemCopyUse -availablevidmem XXXX.0DisplaySafe -
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-DeckSafe -
-helpCopyLists the available commandsExperimental -
-adapterCopy1 = TRUE 0 = FALSE # ✅ Changes the monitor that VRChat willDisplaySafe -
-autoconfigCopyAutomatically configure video settingsSafe -
-benchmarkCopyEnables benchmark mode in Unreal Engine games.PerformanceDebug-DevSafe -
-detailqualityCopySets the game's detail distance (0-99)DisplaySafe -
-disableimpostersCopyTurns off imposter rendering for vehiclesExperimental -
-forcehighqualitymirrorsCopyEnables 64-bit mirrorsDisplaySafe -
-forcer2vbCopyForces rendering to Vertex BufferExperimental -
-frameLimitCopyLimits the FPS to the refresh rate of the monitor being usedExperimental -
-framelockinwindowCopyForces framelock to work even in a windowExperimental -
-fullscreenCopyRun in fullscreen mode (Unreal Engine and Source games)- Effect
- Overrides a saved windowed preference. -full is the same option in Source.
DisplaySafe -
-gpucountCopyAllows to manually set the GPU count if query failsExperimental -
-heightCopySet the window height in pixels (game-specific spelling)- Effect
- Forces the given vertical resolution. This is a per-game convention rather than an engine standard — Source uses -h, Unity uses -screen-height.
- Example
-height 1080
DisplaySafe -
-managedCopyUses D3D runtime managed resourcesExperimental -
-memrestrictCopyRestricts the amount of available memory the game canExperimental -
-no_3GBCopyDisables 3GB memory support on 32-bit OSes which have been set to allow games and applications to use that much memoryExperimental -
-noBlockOnLostFocusCopyPrevents the game from blocking window updates during focus lossExperimental -
-noprecacheCopyDisables precaching of resourcesPerformanceSafe -
-nomemrestrictCopyDisables memory restrictionsProton-DeckExperimental -
-nominimizeCopyDisables the ability to restore the game from minimize and altering resolutions (reduces system memory footprint)Experimental -
-norestrictionsCopyDisables restrictions on graphics settingsExperimental -
-noswapdelayCopyDisables sleep delay before Present (disables the hard present stalls fix)Experimental -
-notimefixCopyDisables Time FixExperimental -
-novblankCopyDisables vertical blanking for V-SyncProton-DeckExperimental -
-percentvidmemCopyPercentage of video memory to be made available for the gameProton-DeckDisplaySafe -
-refreshrateCopySets the refresh rate (values set must be supported by the monitor used)DisplaySafe -
-reserveCopySets the amount of memory to be used by other programsExperimental -
-reservedAppCopySets the amount of memory to be left available within application spaceExperimental -
-renderqualityCopyAdjusts anisotropic filtering (0-4)DisplaySafe -
-safemodeCopySets the game's graphics to the lowest setting possibleExperimental -
-shadowdensityCopyAdjusts night shadows (0-16)DisplaySafe -
-shadowqualityCopySets the shadow quality (0-4)DisplaySafe -
-stereoCopyEnables stereo audio supportDisplaySafe -
-texturequalityCopySets the game's texture quality (0-2)DisplaySafe -
-unmanagedCopyUses application managed resourcesExperimental -
-usedirectinputCopyAllows DirectInput support alongside XInput supportExperimental -
-viewdistanceCopySets the game's view distance (0-99)Experimental -
-widthCopySet window widthDisplaySafe -
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-DeckSafe
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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