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.




Moondust Project is described as 'This is a free and open-source game engine and toolkit allowing you to create games of the platforming genre. Formerly known as PGE Project' and is a game development tool in the games category. There are more than 25 games similar to Moondust Project for a variety of platforms, including Windows, Linux, Mac, Android and Web-based apps. The best Moondust Project alternative is Godot Engine, which is both free and Open Source. Other Moondust Project like games are GDevelop, LÖVE, microStudio and Bevy Game Engine.
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[Multimedia Fusion 2 has been replaced by Clickteam Fusion 2.5.]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.








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.






Mega Mario is a Super Mario Bros. 1 clone. It features everything the original features - with better graphics, higher resolution, smoother movement and new levels. The story of Mario and Luigi continues, in old-school style.



Pixel Game Maker MV allows you to build up your own action game with no programming knowledge necessary. This engine was designed with the idea of giving a voice to people's passions, allowing them to freely express the game that they have held in their hearts.




Rogue Engine is a full featured environment for game development using WebGL. Create projects in an intuitive and familiar 3D environment using configurable components made with TypeScript.




The Seclusion Game Engine ("SGE", pronounced like "sage") is a general-purpose libre open source 2-D game engine for Python. It takes care of several details for you so you can focus on the game itself.


TheXTech - it's a platform game engine written in C++, is a full port of source code of SMBX 1.3 (Super Mario Bros. X fangame) which was originally written in Visual Basic 6. Created by Vitaly Novichkov (known as "Wohlstand") after one month since original SMBX...




DragonRuby Game Toolkit is a professional grade 2D game engine. It's tiny (~3.5MB), fast, and cross-platform (including consoles and mobile).