The flexible game engine
A new Minecraft world editor and converter
Fast and lightweight JavaScript game engine built on WebGL and glTF
Injectable LUA scripting system, SDK generator, live property editor
Magic Another Game Engine
The Tiny JavaScript Game Engine That Can!
Flexible level editor
Games for tomorrow's programmers
Prince of Persia reimplementation written in HTML5 / JavaScript
Cross-platform 2D and 3D game engine with modular architecture
A sharp, readable, vector-y version of Monocraft
KorGE Game Engine. Multiplatform Kotlin Game Engine & Korlibs
Cross-platform 2D game engine focused on ultimate productivity
A fresh & lightweight javascript game engine
Cross-platform, open source, and super fast MUD client with scripting
Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D
3D Game engine with editor
Ct.js is a desktop game engine that makes learning programming fun
Action-adventure game originally released in 2013
World Class Leader Board Editor.
This is a Units Editor for Empire At War which will make things easy.
Domination is a game that is a bit like the board game Risk
Europa Universalis 4 save game editor