Godot Engine – Multi-platform 2D and 3D game engine
- game-engine
- godot
- godotengine
- open-source
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🎮 Open-source, cross-platform 2D/3D/multiplayer game engine designed for everyone.
- game
- javascript
- gamedev
- game-development
Clone of the Age of Empires II engine 🚀
- game
- engine
- python
- c-plus-plus
Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D engine that enables developers and content creators to build AAA games, cinema-quality 3D worlds, and high-fidelity simulations without any fees or commercial obligations.
- 3d-graphics-engine
- 3d-graphics
- animation
- game-development
Stride (formerly Xenko), a free and open-source cross-platform C# game engine.
- gamedev
- game-development
- game-engine
- csharp
Flax Engine – multi-platform 3D game engine
- flax
- flaxengine
- engine
- game-engine
Defold is a completely free to use game engine for development of desktop, console, mobile and web games.
- defold
- game-engine
- c-plus-plus
- clojure
Redot Engine – Multi-platform 2D and 3D game engine
Powerful, mature open-source cross-platform game engine for Python and C++, developed by Disney and CMU
- game-engine
- open-source
- panda3d
- cross-platform
The multiplayer game engine
- gamedev
- rust
- webassembly
- wgpu
Murder is a pixel art ECS game engine.
- game-engine
- gamedev
- multi-platform
- fna
Korge is a Multiplatform Game Engine written in Kotlin for JVM, Web, Android and iOS.
- kotlin
- game-engine
- jvm
- android
Xash3D FWGS engine
- xash3d-fwgs
- xash3d-engine
- waf
- crossplatform
World building for everyone
- ai
- collaborative
- game-engine
- metaverse
A free cross-platform game engine focusing on fast prototyping and having fun with Luau scripting
- game-engine
- luau
- luau-lang
- opengl
A game engine with multiple backends, written in V
- game-engine
- vlang
- vulkan
Tetragon is an Open Source cross-platform game engine used to develop games and applications for the web, desktop and mobile devices. It is written purely in ActionScript 3 and comfortably allows to write source code once and deploy builds to several different target platforms. Unlike most other Flash-based game engines and frameworks that allow you to develop a specific type of game or that provide a subset API to support game development, Tetragon provides a complete foundation with that any type of game can be developed, incl. resource management, debugging facilities, multi-locale support, layered extendability, a game-oriented data structure, and a lot more.