Fast, user-friendly cross-platform custom launcher for Minecraft
API and runtime that allows access to VR hardware
RetroArch is a frontend for emulators, game engines and media players.
Xash3D FWGS engine
Real Time Strategy game engine supporting early Westwood classics
s&box is a modern game engine, built on Valve's Source 2
A complete 3-D game development suite written in Java
Open source simulation game based on Transport Tycoon Deluxe
Open source Old School RuneScape client
A game engine powered by python and panda3d
3D space trading and combat game
Home theater software and entertainment hub for digital media
Games for tomorrow's programmers
Godot game template and component-based framework
A framework to build Pokémon RPG games
An open source implementation of the Ultima Online Classic Client
A nonsense activity generator
Flexible level editor
3D game engine/framework in C, with Luajit and Python bindings now
A lightweight game server framework implemented with Actor Model
The Pokémon API
An updated version of the classic "Basic Computer Games" book
A 2D rigid body physics engine for the web
Voxel game-creation platform with easy modding and game creation