Infinite lives in main game - SZNUIYVG

Infinite lives in sub-game - SXUEZPVG

Start with 1 life - AAUGSZZA

Start with double lives - IAUGSZZA

Start with triple lives - AAUGSZZE

Start with 3-way gun - VGKKNXUK

Don't take damage from bullets and collisions - SXSTYNVK

Don't take damage from spikes - VTNZXVVK

Don't take damage from bullets and collisions in sub-game - SZUOAOVK

Autofire--main game - XYXUUOEN

Use with BIO Code 11 for im-proved autofire with normal gun - AAKUOOZA