GlPortal is a free and open source 3D puzzle action adventure that has been in development since 2012.
GlPortal lets you explore how games are made. Join a well organized team of developers and artists and craft something that people value. Implement your vision in a framework that supports your creativity. Brainstorm with clever minds and develop your skills in a pressure-free environment.
Get more information about GlPortal at http://glportal.de and http://www.lgdb.org/game/glportal for questions contact us by mail at team at glportal.de and chat with us at freenode in #glportal or http://glportal.de. See a video at https://vimeo.com/163973907 or go to youtube and search for glportal.
We write our own engine and tools.
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