In , add or modify:
Navigate to Documents\My Games\BioShock Infinite\XGame\Config\ Backup these files: XEngine.ini , XInput.ini , XUserOptions.ini 1. Fix the Narrow Field of View (FOV) Default FOV (~75) causes motion sickness for many.
StartupMovies=LoadingScreen bForceNoMovies=True Remove pillarboxing for 21:9 or 32:9.
In , under [FullScreenMovie] :
In , under [SystemSettings] :
RadialBlur=False For high-end PCs.
In :
With these tweaks, BioShock Infinite runs smoother, looks crisper, and plays more responsively—even on a Steam Deck or modern ultrawide monitor. Now go liberate Columbia with truly unlocked performance.
bEnableMouseSmoothing=False bViewAccelerationEnabled=False Then, in :
In XEngine.ini , under [Engine.PlayerController] , add: bioshock infinite ini tweaks
ResX=3440 ResY=1440 After editing, right-click each .ini → Properties → check Read-only . This prevents the game from overwriting your tweaks. Pro tip: Want to see if a tweak worked? Add Stat FPS to XEngine.ini under [Engine.GameEngine] to enable an in-game framerate counter.
DesiredFOV=100.0 Default mouse input feels floaty.
TEXTUREGROUP_World=(MinLODSize=4096,MaxLODSize=4096,LODBias=0) ShadowQuality=5 bAllowLightShafts=True bAllowDetailedShadowMaps=True MaxAnisotropy=16 Skip 2K/Irrational logos. In , add or modify: Navigate to Documents\My
[Engine.PlayerInput] RawMouseInputEnabled=True Great for competitive play or older GPUs.