A new Minecraft world editor and converter
Pokémon Save File Editor
The source code to VVVVVV
Free game engine for development of desktop, mobile, and web games
Cross-platform, open source, and super fast MUD client with scripting
Enables Roblox developers to use professional software tools
3D and 2D game engine written in Rust
Classic 2D side-scrolling platformer game
Godot Minimal Theme
The flexible game engine
Flexible level editor
3D Game engine with editor
Make Minecraft Java Edition mods, Minecraft Bedrock Edition Add-Ons
Games for tomorrow's programmers
Ct.js is a desktop game engine that makes learning programming fun
The HTML5 Creation Engine
Lightweight console for Minecraft chat and automated scripts
Cross-platform 2D game engine focused on ultimate productivity
A framework to build Pokémon RPG games
The Ren'Py Visual Novel Engine
Cocos simplifies game creation and distribution with Cocos Creator
A community sourced database of game controller mappings
This is a Units Editor for Empire At War which will make things easy.
Open-source Android/Desktop remake of Civ V
KorGE Game Engine. Multiplatform Kotlin Game Engine & Korlibs