Open-source games

Open-source games and the engines and tools people build them with.

Last updated Oct 20, 2026

19 projects

YimMenuV2
Injectable mod menu DLL for Grand Theft Auto V Enhanced on PC
Games
1.8k
Pyrite64
Visual editor and runtime engine for making 3D Nintendo 64 homebrew games
Games
Max Bebök 3.3k
Madeira
Play unmodified Windows PC games on a non-jailbroken iPhone
Games
willfaust 2.6k
RenoDX
Shader replacement and HDR modding toolkit for DirectX games
Games
Carlos Lopez 4.6k
PS2Recomp
Static recompiler that turns PS2 game binaries into C++ for native PC ports
Games Developer tools Security testing and OSINT
Ranieri 3.6k
SharpEmu
Early-stage PlayStation 5 emulator written from scratch in C#
Games
6.4k
meshoptimizer
C/C++ library for optimizing, simplifying and compressing GPU meshes
Languages and frameworks Games Design and creative
Arseny Kapoulkine 8.6k
Pumpkin
Minecraft server written in Rust for Java and Bedrock players
Games Self-hosted alternatives
12.5k
Unciv
Turn-based 4X strategy game modeled on Civilization V
Games
Yair Morgenstern 11.5k
RomM
Self-hosted web library for organizing and playing your ROM collection
Games Self-hosted alternatives Media and downloads
14k
MCP for Unity
MCP server that lets AI assistants drive the Unity Editor
Agent skills and plugins Games Developer tools
15.2k
Arnis
Turns real-world map and elevation data into Minecraft worlds
Games
Louis Erbkamm 18.3k
Mindustry
A factory-building tower defense game: mine, route conveyors, hold the line
Games
Anuken 29.4k
WandEnhancer
Patcher that adds UI tweaks and a phone remote panel to the Wand app
Games System utilities
k1tbyte 32.5k
shadPS4
Early-stage PlayStation 4 emulator core for desktop computers
Games
33.8k
AnyPS5
Static recompiler that ports PS5 game executables to native Linux and Windows
Games Developer tools
boykopovar 45.2k
Godot Engine
Game engine and editor for building 2D and 3D games
Games Developer tools
119k
Claude Code Game Studios
Game studio template of agents, skills, and hooks for Claude Code
Agent skills and plugins Games AI coding agents
Donchitos 26.9k
Dear ImGui
Immediate-mode GUI library for building C++ tools and debug interfaces
Languages and frameworks Games Developer tools
omar 76.7k