This is a proof-of-concept 3D tech demo which draws a fully 3D room using the pen. You can freely rotate the 3D world by moving the mouse to the side of the screen you want to rotate towards (if you've ever played Metroid Prime 3 for the Wii, you'll know where I got this from =P). There's also a demon for you to kill, and you can shoot at him by pressing the mouse button. Press up to move forwards and down to move backwards. This will eventually be turned into a full-fledged 3D shooter.