Here ya go.
http://my.ign.com/atari/crystal-castles
click 1 player, and full screen it..
I ruled this game on the Commodore 64/128. and arcades in the 80s.
The ONLY issue I have with it is no ball controller to move him.. (Makes things much more precise).
Do you remember where the 'warp' zones are? I do!
You can also play:
More Classic Atari Games