Okay, not only does this guy hand-draw the entire gaming environment of a 3D game, so that he can reproduce it in 2D for Super Nintendo -- he writes his own assembler toolkit to help him write the game:
www.grandtheftendo.com/index.php
www.grandtheftendo.com/index.php
www.grandtheftendo.com/index.php
www.grandtheftendo.com/index.php