Godot is a powerful cross-platform game engine
Desktop/Android/HTML5/iOS Java game development framework
Open source HTML5 game framework that offers WebGL and Canvas
Xash3D FWGS engine
Do virtual gear shifting (and more) in any rider app
One framework for creating powerful cross-platform games
UCI chess engine
The source code to VVVVVV
RetroArch is a frontend for emulators, game engines and media players.
A simple and easy-to-use library to enjoy videogames programming
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
The game engine for everyone
An open source reimplementation of the Among Us Server
Home theater software and entertainment hub for digital media
Netcode that provides networking capabilities to GameObject workflows
Cross-platform game engine in Rust
Action-adventure game originally released in 2013
A dead simple 2D game engine for Go
Free, cross-platform 2D game engine powered by Haxe and OpenFL
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
New Godot bindings for Swift
Multi-platform 2D and 3D game engine
Cocos simplifies game creation and distribution with Cocos Creator
Open source library for creative expression on the web, desktop, etc.
Use the Delta Executor APK with Roblox on a Windows PC.