GZDoom is a feature centric port for all Doom engine games
Recreation of the classic Grand Theft Auto III game executable
Zero Hour running natively on macOS, iPhone & iPad
Command & Conquer: Remastered Collection
Solar2D Game Engine main repository (ex Corona SDK)
Descent 3 by Outrage Entertainment
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
Action RPG that's easy to mod
A free 3D game engine to create games and realtimes scenes for Windows
3D C++ Game Engine - yet another open source game engine
Compatible client of Ace of Spades 0.75
2D game engine for traditional platform games
plugin-based RPG manager in C++ and Qt5
Multi-threaded 2D Renderer licensed under the Mozilla Public License
A casual platformer
Simple puzzle game
Interface for tracking tabletop gaming characters