Thinking Worlds

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

17 Alternatives To Thinking Worlds

Adventure Game Studio

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

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

ENIGMA - LateralGM

ENIGMA, the Extensible Non-Interpreted Game Maker Augmentation, is an open source cross-platform…

G3D Innovation Engine

The G3D Innovation Engine is a commercial-grade C++ 3D engine available as Open Source (BSD…

Game Character Hub

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

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.

Reality Factory

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