Invincibility:
Enter INVINCIBLE as a password.
Enable all exits:
Enter NO_MISSION as a password.
Unlimited continues:
Enter **URANUS** as a password
Unlimited weapon upgrades:
Enter 2UNLIMITED as a password.
View ending sequence:
Enter **SATURN** as a password.
View credits:
Enter SHOWCREDIT as a password.
Alternate opening sequence:
Enter SHOWDROIDS as a password.
Kill opponents with single shot:
Enter GRIMREAPER as a password.
All power-ups:
Enter LAZYPLAYER as a password.
Fight Bosses only:
Enter GET_SACKED as a password.
Level Password 2 HIABY_EUHQ 3 FQAJA*EQPR 4 CYQJQIDMQQ 5 BEBBQQAYRQ 6 ZNBRRHAQNQ 7 AQRDYOGA!B 8 A!RIIYCAWQ 9 AECDYDDQTB 10 QMSKQMDQ_B 11 AWCLI*HAMA 12 A?CMQXEA#R 13 IBTLIJEACB 14 QMDEIVFMRR 15 QQDNIDEAIQ 16 I?DVK?HQWB 17 ACE!KYDYLR End AMUIIFC!EQ