0 A.D. is a free, open-source, cross-platform real-time strategy game.
Video game library manager with support for wide range of libraries
Pokedex demonstrates modern Android development with Hilt
LayaAir is an open-source 2D/3D engine
JK's Save Manager Switch Edition
A permissions plugin for Minecraft servers
Pokémon Save File Editor
DOSBox Staging is a modern continuation of DOSBox
Home theater software and entertainment hub for digital media
Open-source engine for Heroes of Might and Magic III
A cross-platform PSP emulator
Satisfying monster shooter
The source code to VVVVVV
Open source voxel game engine with support for survival and crafting
Godot is a powerful cross-platform game engine
Action-adventure game originally released in 2013
The flexible game engine
An open-source sandbox tower defense game
Desktop/Android/HTML5/iOS Java game development framework
Open source HTML5 game framework that offers WebGL and Canvas
Provides efficient allocation free async/await integration for Unity
UCI chess engine
Open-source Android/Desktop remake of Civ V
Xash3D FWGS engine
An Open Source Minecraft Launcher with Modern UX