Quake GPL Source Release

Source code for Sanicball, an extraordinarily fast racing game.

An easy to use, feature rich, extendable first person controller for Unity.

JavaScript 3D Library.

Desktop/Android/HTML5/iOS Java game development framework

a game where you murder sum1 very bad :D

A rhythm game made with HaxeFlixel

i have no idea how github works

Powerful, mature open-source cross-platform game engine for Python and C++, developed by Disney and CMU

Open-source, cross-platform, C++ game engine for creating 2D/3D games.

Build your own Arduino based retro handheld game console

The retro console done right.

replay or stream website access logs as a retro arcade game

A retro multiplayer shooter

A custom launcher for Minecraft that allows you to easily manage multiple installations of Minecraft at once (Fork of MultiMC)

Horion - A Minecraft: Bedrock Edition Utility Mod.

A lightweight, fast and extensible game server for Minecraft

A custom launcher for Minecraft that allows you to easily manage multiple installations of Minecraft at once

I challenged myself to see if I could create a voxel game (Minecraft-like) in just one week using C++ and OpenGL, and here is the result

Wolf3D source port with shaders

Online Game Server Platform

Cross-Platform C++ 2D/3D game engine

🎮 Open Source teleportation based first person puzzle-platformer

The Atomic Game Engine is a multi-platform 2D and 3D engine with a consistent API in C++, C#, JavaScript, and TypeScript

ELF: a platform for game research with AlphaGoZero/AlphaZero reimplementation

Flax Engine – multi-platform 3D game engine

DDraceNetwork, a free cooperative platformer game

The original sources of MS-DOS 1.25, 2.0, and 4.0 for reference purposes

Collection of cross-platform one-file C/C++ libraries with no dependencies, primarily used for games