AMOK

No Death Code from Steve Worley
In the options screen under the password field, enter XBABYX and it will say CORRECT. The code makes it so even when your life runs out, you will not die.

Level Select from Matt
In the options screen under the password field, enter ZZZCYX for a level select.

Rapid Fire from James A. O'Sullivan Jr
YAYAYA - in the options screen under the password field.

Levl Passwords from Hypersega@aol.com
level 2-2-CBYXYC 3-1-XABXAB 3-2-AZCBXC 4-1-YYBBCY 4-2-BAXCXX

New level from QSun
In level 2 go to the map and look down until you see 3 bumps. Go to thecloest bump to the real exit sign. There behind a gun turrent,you will find anther exit sign. After entering it youwill get anther misson full of power, guns, shelds, bombs, both kinds of missiles, and hull.