Open-source rhythm game
BizHawk is a multi-system emulator written in C#
Cross-platform 2D and 3D game engine with modular architecture
MAME is a multi-purpose emulation framework
The game engine for everyone
Fast and lightweight JavaScript game engine built on WebGL and glTF
A fast and reliable entity component system (ECS) and much more
A modular Common Lisp game engine
A Fantasy Console intended as a tool for pixel art game development
Botcraft is a cross-platform C++ library to create bots
Free game engine for development of desktop, mobile, and web games
API and runtime that allows access to VR hardware
Ct.js is a desktop game engine that makes learning programming fun
ThinkPHP Framework
A Flutter based game engine
Gideros Release version
A re-implementation of Freelancer
Stride (formerly Xenko), a free and open-source cross-platform C# game
A refreshingly simple data-driven game engine built in Rust
JNI based binding for Dear ImGui
Open and edit the archive files used in over 5200 games.
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
Play! - PlayStation2 Emulator
CTFs as you need them
Flipper Zero firmware source code