Babylon.js is a powerful, beautiful, simple, and open game and rendering engine packed into a friendly JavaScript framework.

• UpdatedDec 16, 2025
• TypeScript

A complete 3-D game development suite written in Java.

• UpdatedDec 17, 2025
• Java

The multiplayer game engine

• UpdatedJan 7, 2025
• Rust

Terasology - open source voxel world

• UpdatedDec 12, 2025
• Java

General purpose 3D and 2D game engine using Go (golang) and Vulkan with built in editor

• UpdatedDec 17, 2025
• Go

An OpenGL RTS game engine written in C

• UpdatedAug 10, 2025
• C

The ioquake3 community effort to continue supporting/developing id's Quake III Arena

• UpdatedDec 6, 2025
• C

Amazon Lumberyard is a free AAA game engine deeply integrated with AWS and Twitch – with full source.

• UpdatedSep 29, 2022
• C++

3D Procedural Game Engine Using OpenGL

• UpdatedDec 17, 2025
• C++

Tiny OpenGL Wrapper / 3D Engine in C++

• UpdatedJul 31, 2024
• C++

Nebula is an open-source and free-to-use modern C++ game engine.

• UpdatedDec 16, 2025
• C++

Cross-platform port of Arx Fatalis, a first-person role-playing game

• UpdatedAug 22, 2024
• C++

An Open Source C# 3D Game Engine under MIT license, inspired by Unity and featuring a complete editor

• UpdatedNov 5, 2025
• C#

Fun with WebGL 2.0 Youtube Tutorial Series

• UpdatedApr 24, 2020
• JavaScript

ET: Legacy is an open source project based on the code of Wolfenstein: Enemy Territory which was released in 2010 under the terms of the GPLv3 license.

• UpdatedDec 10, 2025
• C

The BombSquad Game Engine

• UpdatedDec 13, 2025
• Python

Archived repository. For current repo, see:https://github.com/etlegacy/etlegacy

• UpdatedMar 1, 2020
• C

Blazium Engine – Multi-platform 2D and 3D game engine

• UpdatedDec 15, 2025
• C++

WeDot 是一个专注于技术和用户体验的多平台 2D 与 3D 游戏引擎，开发者可以把注意力集中在游戏开发本身，而非繁杂的技术细节。

• UpdatedNov 17, 2024
• C++

Source code for cross-platform OpenGL gaming engine

• UpdatedJun 13, 2025
• C