Native Android app for Habitica
Solar2D Game Engine main repository (ex Corona SDK)
Godot is a powerful cross-platform game engine
Open source voxel game engine with support for survival and crafting
Continuation of NetherSX2 based on AetherSX2 4248
Android real-time display control software
An open-source sandbox tower defense game
Voxel game-creation platform with easy modding and game creation
Open source HTML5 game framework that offers WebGL and Canvas
Desktop/Android/HTML5/iOS Java game development framework
The game engine for everyone
Open source cross-platform multi-purpose game toolkit
A certain block game
Continuation of NetherSX2 based on AetherSX2 3668
RetroArch is a frontend for emulators, game engines and media players.
Turn-based survival game set in a post-apocalyptic world.
A cross-platform PSP emulator
Xash3D FWGS engine
Free, cross-platform 2D game engine powered by Haxe and OpenFL
Sandbox video game with a powerful physics engine
One framework for creating powerful cross-platform games
RenderDoc is a stand-alone graphics debugging tool
Cross-platform game engine in Rust
The source code to VVVVVV
An unofficial rules engine for the world's greatest card game