A simple tool that can convert GTA IV savefiles into a readable format and vice versa.

Current version: v1.0

Last updated: 2023-08-14

An API to add custom options into the GTA IV pause menu.

Current version: v1.1

Last updated: 2023-09-15

Have you ever played through the game and then got bored because there was nothing left to do? This mod brings you fun and unique side-activities that you can play at any time! They aren't story-related in any way, and are mostly 3D era and Saints Row style activities that make zero sense but are fun to play.

Current version: v2.8

Last updated: 2022-02-05

IV-SDK is a project with the goal of making IV modding easier, and to finally let people ditch the decade-old ScriptHook.

A port of the CE achievements system to better versions of IV.

Current version: v2.0

Last updated: 2021-03-28