Free game engine for development of desktop, mobile, and web games
The source code to VVVVVV
Open game and rendering engine packed into a JavaScript framework
Command & Conquer: Remastered Collection
Ct.js is a desktop game engine that makes learning programming fun
KorGE Game Engine. Multiplatform Kotlin Game Engine & Korlibs
3D Game engine with editor
A sharp, readable, vector-y version of Monocraft
3D and 2D game engine written in Rust
The Tiny JavaScript Game Engine That Can!
An updated version of the classic "Basic Computer Games" book
Cocos simplifies game creation and distribution with Cocos Creator
Stride (formerly Xenko), a free and open-source cross-platform C# game
Action-adventure game originally released in 2013
Games for tomorrow's programmers
Java application for creating Morphing videos
Repository for the Goonstation branch of SS13
The flexible game engine
World Class Leader Board Editor.
Fast and lightweight JavaScript game engine built on WebGL and glTF
The ioquake3 community effort to continue supporting/developing id's
Free, cross-platform 2D game engine powered by Haxe and OpenFL
2D JavaScript Physics Engine
Descent 3 by Outrage Entertainment
Build multiplayer web games played by millions