Grand Theft Auto IV: The Complete Edition

Cutscenes, mission scripts and AI work at high frame rates, lighting and shaders look like the console versions again, and loading screens are much faster. Covers IV, The Lost and Damned and The Ballad of Gay Tony.

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Graphics enhancementsPart of the Fusion Fix download · on by default

Smoother edges and a modern renderer Visual

DLAA with NVIDIA DLSS, AMD FSR, Vulkan (DXVK) or DirectX 12 (D3D9On12), picked in the game's settings.

The runtime files the Anti-aliasing and Graphics API settings of Fusion Fix use: official releases, checked against their hashes.

Without a file, the game's menu doesn't offer what needs it

101 MB in all

Add-onsOptional files of Fusion Fix

Legacy Addon Compatibility

Not for the Complete Edition.

Only for the old game versions 1.0.7.0 and 1.0.8.0. Steam and Rockstar Games Launcher copies are the Complete Edition: leave it off.

3.8 MB

Separate modsNot part of Fusion Fix

Project2DFX Visual

Street lamps and lights glow far across the map at night.

Project2DFX: the LOD corona effect, so distant street lamps and lights glow across the map.

Works with Fusion Fix
Its own settings in Customize

Tune:Distant LightsLight SizeLight BrightnessGrow With Distance+2

2.9 MB · ThirteenAG/III.VC.SA.IV.Project2DFX · 13 Apr 2015

Fusion Rain Droplets Visual

Raindrops and splashes of water run down the screen.

Rain droplets effect on the screen.

Works with Fusion Fix
Its own settings in Customize

Tune:Minimum drop sizeMaximum drop sizeMaximum dropsMaximum moving drops+11

2.6 MB · ThirteenAG/FusionRainDroplets · 24 Oct 2022

Original vs Fusion Fix

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Features

High frame rates

Cutscene animations stay in sync with their audio at any frame rate
No endless loading screen around cutscenes from slow script timers
Cops and other peds no longer sit in cover doing nothing above 30 FPS
Camera shake works the same at any frame rate
Frame rate limiter in the menu

Console look

Console gamma, auto exposure and the consoles' soft Definition look
Console timecycles, lamppost coronas, rain density and reflection strength restored
Tree lighting and transparency as on PC, improved PC or console
Separate motion blur and depth of field controls
Colour filters of the main game and the episodes

Graphics

Reworked shaders that fix long-standing lighting, shadow and reflection bugs
Volumetric fog, sun shafts, extended sunlight reach and ambient occlusion
Sharp, soft or contact-hardening shadows, tree shadows and night shadows for cars
Much less pop-in on high settings
Anti-aliasing: FXAA, SMAA, TAA, and DLAA or FSR on Vulkan or DirectX 12
HDR output on Vulkan or DirectX 12
Graphics API: DirectX 9, Vulkan (DXVK) or DirectX 12 (D3D9On12)

Game and controls

Skip the intro and the main menu; windowed and borderless modes
Always run, move while zoomed, aim sniper rifles without the scope
Optional centered vehicle and on-foot cameras
Turn indicators, instant taxi stop, automatic ladder climbing
Gamepad icons: Xbox 360/One, PlayStation 3/4/5, Switch, Steam Deck
Separate mouse and pad sensitivities for looking and aiming

Fixes

Recoil is the same with mouse and gamepad
Aiming zoom in The Ballad of Gay Tony, DLC car lights
Crashes in The Lost and Damned (phone keypad, Marta Full of Grace)
Traffic of only taxis, wrong video memory detection, draw distance sliders ignored at start
Much faster loading screens
Many mission, script, voice line, model and animation bugs fixed

Supported versions

The Complete Edition (Steam, Rockstar Games Launcher): fully supported.
The older 1.0.7.0 and 1.0.8.0 versions with the Legacy Addon (an option of the download below).
Single player only; multiplayer isn't supported. Copies that aren't legal aren't supported.

Get the game: Steam · Rockstar Games Launcher

Install

Customize the settings below, or keep the recommended ones.
Download the package and unpack it into the game's folder, where GTAIV.exe is, keeping its folders.
Start the game. Every setting can be changed later in the game's menu (Fusion Fix's options) or in the settings file.

Linux (Proton / Wine)

In Steam, open the game's Properties and set Launch Options to:
WINEDLLOVERRIDES="dinput8=n,b" %command%
Install d3dx9_43 with Protontricks:
protontricks 12210 d3dx9_43