A new Minecraft world editor and converter
Free game engine for development of desktop, mobile, and web games
The flexible game engine
Godot Minimal Theme
3D and 2D game engine written in Rust
Flexible level editor
V1, Mirror Classic. V2, Mirror Engine: Join Discord for access
3D Game engine with editor
Jazz² Resurrection: Open-source reimplementation of Jazz Jackrabbit 2
Delphi Java - VRCalc++ OOSL (Script) and + (Binary Exec Distro)
KorGE Game Engine. Multiplatform Kotlin Game Engine & Korlibs
Ct.js is a desktop game engine that makes learning programming fun
Cross-platform 2D game engine focused on ultimate productivity
Real Time Strategy game engine supporting early Westwood classics
DeSmuME is a Nintendo DS emulator
A permissions plugin for Minecraft servers
Make Minecraft Java Edition mods, Minecraft Bedrock Edition Add-Ons
Action-adventure game originally released in 2013
Fast and lightweight JavaScript game engine built on WebGL and glTF
Stride (formerly Xenko), a free and open-source cross-platform C# game
The Tiny JavaScript Game Engine That Can!
Cross-platform 2D and 3D game engine with modular architecture
Minecraft map editor and mod
Magic Another Game Engine
Games for tomorrow's programmers