Level (10) Password
Put in CERTIFICATE at the setup screen where it says countersign
Last level (20) Password
Put in GYPSUM at the setup screen where it says countersign
Level 140 Password (Level 14??)
Put in GYPSUM at the setup screen where it says countersign
Level Codes
Level 10: CERTIFICATE
Level 20: GYPSUM
Level 30: LEVIATHAN
Level 40: PREDECESSOR
Level 50: SKELETON
Level 60: VULTURE
Level 70: FREQUENCY
Level 80: BUCCANEER
Level 90: TRADITION
Level 100: REFLEX
Level 110: AFFLUENCE
Level 120: HOSTAGE
Level 130: MEMORIAL
Level 140: ZODIAC
Master-Code: NZHF[Level]