Reality Factory 2 is a next-generation game authoring suite. It combines a flexible, fully scripted game development environment powered by Python with the Ogre3D engine, and supports all major desktop operating systems.
Platforms
- Mac
- Windows
- Linux
microStudio is described as 'Free game engine online. Create games, learn programming, play, share, prototype and jam!' and is a game development tool in the development category. There are more than 100 alternatives to microStudio for a variety of platforms, including Windows, Linux, Mac, Web-based and Android apps. The best microStudio alternative is Godot Engine, which is both free and Open Source. Other great apps like microStudio are Android Studio, Unity, Unreal Engine and GDevelop.
Reality Factory 2 is a next-generation game authoring suite. It combines a flexible, fully scripted game development environment powered by Python with the Ogre3D engine, and supports all major desktop operating systems.
melonJS is an open source HTML5 game engine that empowers developers and designers to focus on content.








sdlBasic is a small, efficient and multiplatform basic interpreter aimed to game creation using the power of SDL library, it was inspired by the old and glorious AMOS.


MAGE stands for MAKE A GAME EXPERIENCE
The goal for MAGE is to make it as easy as possible for people to create their own 3D universes, adventures and stories. PLAY WHILE YOU CREATE!.
Sploder is an online game creator. Create fun games that you can publish to the net and email to friends.




Orx is an open source, portable, lightweight, plugin-based, data-driven and extremely easy to use 2D-oriented game engine. Orx is mostly written in C, but allows you to develop with it with any language that can interface to C.




Esenthel is a next gen, cross-platform C++ game engine that comes with a lighting fast, high performance game engine with advanced graphics and physics and support for multiplayer and UNLIMITED size worlds which is make the engine well suit even MMORPG titles.




SMILE GAME BUILDER is software to make RPGs for your PC.




CraftStudio lets you craft games from scratch in real-time over the Internet. Come jam with your team or join others to make your dream games come true!



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