It's both free and open source. Its graphic features are inexpensive, so it runs even on Intel integrated graphic cards.
Tesseract shooter game:
http://tesseract.gg/
Tesseract game SDK:
https://octaforge.org/
Tesseract RPG:
https://github.com/Hirato/lamiae
Other Cube engine games (also FOSS) :
Cube 2 Sauerbraten, Red Eclipse, Cube 1, AssaultCube:
http://cubeengine.com/
Platinum Arts Sandbox:
http://www.sandboxgamemaker.com/
Statistics: Posted by de1337ed — Fri Apr 10, 2015 7:50 pm