Perfect Weapon

During gameplay type these codes then press ENTER:

Code	Effect
GMGODM	Invulnerability
GMPETE	All powerups
GMKILL	Enemies are easier to kill
GMBIGH	You get a big head
GMBORG	You become a cyborg
GMNORM	Turns you back to normal
GMPERF	?????
GMMOVE	?????
GMBALL	?????

Level Codes

Code	Level
DBDBBABA	1
ADDCAADC	2
ACBABBCC	3
ADDDCACC	4
DDBDBBCA	5
CCDBCCDA	6
AADBDDAC	7
CADDCBCC	8
ADAABADB	9
BADDBBBC	10
ABBDADDA	11
DCADCAAC	12