Flax Engine is claimed the most agile game engine. It's open source, cross-platform and it lets you write scripts in C++ and C# seamlessly. Also focused on lightweight development. A true game changer.




Redot Engine is described as 'Feature-packed, cross-platform fork of the Godot game engine to create 2D and 3D games from a unified interface. It provides a comprehensive set of common tools, so that users can focus on making games without having to reinvent the wheel' and is a game development tool in the development category. There are more than 50 alternatives to Redot Engine for a variety of platforms, including Windows, Linux, Mac, Android and iPhone apps. The best Redot Engine alternative is Godot Engine, which is both free and Open Source. Other great apps like Redot Engine are Unreal Engine, Unity, GDevelop and Wick Editor.
Flax Engine is claimed the most agile game engine. It's open source, cross-platform and it lets you write scripts in C++ and C# seamlessly. Also focused on lightweight development. A true game changer.




[Multimedia Fusion 2 has been replaced by Clickteam Fusion 2.5.]
Game and software creation has never been easier or quicker than with Clickteam Fusion 2.5!
With Fusion 2.5’s amazing event editor system you are able to quickly generate games or apps.
Within your first hour you.




Multimedia JavaScript framework to create real cross-platform and hybrid game engines, games, emulators, multimedia libraries and apps.




The Atomic Game Engine features a cross-platform editor with deployment to Windows, OSX, Linux, WebGL, Android, and iOS. Applications can be built using JavaScript, TypeScript, native C++, and C# scripting is in development.


A free software game engine focusing on developing games faster, more modular and stable with true -1 day portability support.
![Drag[en]gine screenshot 1](https://img.alternativeto.net/s/309x197/jpeg/drag-en-gine_786666_full.webp)
![Drag[en]gine screenshot 1](https://img.alternativeto.net/s/309x197/jpeg/drag-en-gine_787840_full.png)
![Drag[en]gine screenshot 2](https://img.alternativeto.net/s/309x197/jpeg/drag-en-gine_443640_full.jpg)
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.


App to create, play, and share AI-generated mobile games, no coding required.




Alice is an innovative 3D programming environment that makes it easy to create an animation for telling a story, playing an interactive game, or a video to share on the web. Alice is a teaching tool for introductory computing.



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...



