Hold down any of the following key combinations during play.
                'CTRL' and 'B'___________Background scroll stops.
                'L SHIFT', 'R SHIFT' and 'T'__________Time stops.
                'L ALT', 'R ALT' and 'H'____All hearts collected.
                'L AMIGA', 'R AMIGA' and 'S'_________Skip levels.

(Level codes included - see source for complete list from 02-LEVEL2 through 50-XUQZOX)