LunarEngine (formerly Librebox) is an open-source game engine powered by Luau. It delivers a sandbox-style API and development model inspired by popular sandbox engines, so existing Luau code runs with minimal changes.

Bevy Game Engine is described as 'A refreshingly simple data-driven game engine built in Rust. Free and Open Source Forever!' and is a game development tool in the development category. There are more than 100 alternatives to Bevy Game Engine for a variety of platforms, including Windows, Linux, Mac, iPhone and Android apps. The best Bevy Game Engine alternative is Godot Engine, which is both free and Open Source. Other great apps like Bevy Game Engine are Unity, Unreal Engine, GDevelop and Candlestick.
LunarEngine (formerly Librebox) is an open-source game engine powered by Luau. It delivers a sandbox-style API and development model inspired by popular sandbox engines, so existing Luau code runs with minimal changes.

Java framework providing unified API for building 2D or 3D games across desktop, mobile, and browser platforms, with hot code swapping, rapid prototyping, modular architecture, integrated physics, input, asset tools, and support for desktop-native debugging.
A game engine written in Python, extending support across multiple GPU devices with 3D rendering, PBR Renderer and much more.


Amethyst uses gfx-rs to render graphics with Vulkan or Metal. It is meant to be used for 2D and 3D, with various utilities for both types of games. It should be beginner friendly but also allow more advanced uses such as custom render passes and GLSL shaders.




Buildbox is a breakthrough game creation experience. Creating games is as easy as dropping images into the software, making changes to their properties and hitting play.

Duality is a modular 2D game engine / editor combo, written entirely in C# and built on top of an OpenGL backend. It's open source, features an open architecture that invites extensibility and technical ownership, and it embraces C# as a language rather than a scripting...




The G3D Innovation Engine is a commercial-grade C++ 3D engine available as Open Source (BSD License). It is used in commercial games, research papers, military simulators, and university courses. G3D supports hardware accelerated real-time rendering, off-line rendering like ray...




Cocos Creator is a complete package of game development tools and workflow, including a game engine (based on Cocos2d-x), resource management, scene editing, game preview, debug and publish one project to multiple platforms.


Open RPG Maker is a free and open source clone of features from the RPG Maker series (i.e. rpgmaker200, rpgmaker2003, rpgmakerxp), as well as many other features. All of the data files are in XML format and are easily editable with any text editor.




The open-source Roblox & UEFN alternative giving you freedom to own what you create. An all-in-one, real-time, collaborative game development platform built on Godot Engine.




Phaser Editor is a tool for HTML5 games creation. It provides several built-in editors for texture packing, JavaScript coding, Assets management, and 2D level building.


