http://www.netrover.com/~timt/cheats/d/deepcorecd32.html (Amiga Plus Extra No. 5/97, 05/1997)Start as normal, then press GREEN, YELLOW, BLUE, and RED BUTTONS simultaneously. Now press FORWARD and REVERSE together, then GREEN, YELLOW, and BLUE BUTTONS. A whooshing sound activates the cheat mode. To skip levels, push all the buttons as well as FORWARD and REVERSE, but don't press pause!