Below is a list of various command line options that can be used with Grand Theft Auto IV (4) (external link) on the PC:
Tools
-benchmark | Runs the benchmark tool and exits the game |
-help | Displays a list of command line options |
Graphics
-renderquality | (0-4) |
-shadowdensity | (0-16) |
-texturequality | (0-2) |
-viewdistance | (0-99) |
-detailquality | (0-99) |
-novblank | Disable vsync |
-norestrictions | Do not limit graphic settings within the game |
-width | |
-height | |
-safemode | Runs the graphics in the lowest setting possible |
-frameLimit | Limits frames to a multiple of the refresh rate i.e. if your refresh rate is 60Hz then setting this to 1 would locks the frame limit at 60 |
-refreshrate | |
-fullscreen | |
-windowed | |
-availablevidmem | Set amount of available physical video memory |
-percentvidmem | Percentage of video memory available to the game |
Audio
-fullspecaudio | Force high-end CPU audio |
-minspecaudio | Force low-end CPU audio |
System
-noprecache | Disable the precaching of resources |
-nomemrestrict | Disable memory restrictions |
You can these commands easily by creating a commandline.txt file within your default GTA IV install folder (the default is C:Program FilesRockstar GamesGrand Theft Auto IV), put each command on its own line to run multiple commands at once.
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