Very nice! (Is there a way to rotate rather than just strafe-move?)
Now if there were a game that reproduced the scenes and people (including Psy) in the actual video -- and let you blow them all to pieces, stopping the music each time a scene is cleared -- that might get another billion plays!
Now if there were a game that reproduced the scenes and people (including Psy) in the actual video -- and let you blow them all to pieces, stopping the music each time a scene is cleared -- that might get another billion plays!