According to the readme, it's based on an open source engine called Voxlap, created by Ken Silverman (the guy that wrote the Duke3d engine). Here's a link: ht

According to the readme, it's based on an open source engine called Voxlap, created by Ken Silverman (the guy that wrote the Duke3d engine). Here's a link: http://www.advsys.net/ken/voxlap.htm http://www.advsys.net/ken/voxlap.htm