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CommercialOEngine is a multiplatform C++ engine with an WYSIWIG editor. It's made to be very flexible, and has been used in many internal prototypes, and is currently...
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Unity
CommercialUnity is a multiplatform game development tool, designed from the start to ease creation. A fully integrated professional application, Unity just happens...
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CommercialRPG in a Box is a tool for easily creating 3D grid-based, voxel-style RPGs and adventure games—everything you will need for building and sharing your...