Reality Factory

Reality Factory is a free suite of game development tools for building 3D games.

18 Alternatives To Reality Factory

Adventure Game Studio

Adventure Game Studio provides the tools to make your own adventure, for free!

BlitzMax

With the developing version BlitzMax NG other ’targets’ are available: ARM architecture, Raspberry, Android, HTML (Emscripten). RAPID DEVELOPMENT. Just open the IDE, write your code, hit F5 and see immediately the results!

Cocos2d-x

Cocos2d-x is an open-source and cross platform open source free 2D game engine for mobile game development known for its speed, stability, and easy of use

Construct Classic

Construct Classic is a free, DirectX 9 game creator for Windows, designed for 2D games.

Game Character Hub

helper program for game design (RPG Maker XP/VX and more)

Game Editor

Game Editor is the open source game design software that gives you the power to create the games of…

Open RPG Maker

Open RPG Maker is a free and open source clone of features from the RPG Maker series (i.e.
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RPG Maker

Make your own PC game with RPG Maker. Our easy to use tools are simple enough for a child, and powerful enough for a developer. Try it free today!
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RPGBoss

Cross-platform 2D role playing game maker.

Thinking Worlds

Thinking Worlds is a globally unique 3D sims & games creation environment.
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Unreal Engine

Unreal Engine 4 is a suite of integrated tools for game developers to design and build games, simulations, and visualizations.
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Wintermute Engine Development Kit

Wintermute Engine Development Kit is a set of tools for creating and running graphical…