Ok, this has nothing to do with this other game.
This is just a stupid stereoscopic 3D software rendering test. Oh, the 3D slider actually does something when you change its position.
No screenshot because it's just a bunch of wireframe boxes IN THREE DIMENSIONS. Maybe next time.
Link: https://github.com/AntonioND/pong-3ds
EDIT (2015/01/25):
Well, I've updated it a bit. Filled polygons, lighting, screenshots...