Start with infinite lives - AAXGNYPA

Start with 1 life - PEOVIZGA

Start with 8 lives - AEOVIZGE

Infinite mega-power - GZSZIZSP

Start with no bullets! - PEOVPZGA

Start with 600 bullets - YEOVPZGA

Start with infinite bullets - AAVYLTPA

Gain 10 bullets on pick-up - PAVKUIZA