31 lives:
IMMORTAL as a password. 
Invincibility:
NEVERDIE as a password. 
Full health:
HORMONES as a password. 
Level select:
GETACCES or OCMCKKEJ as a password. 
Weapons:
MAKMYDAY as a password. 
Rolling camera view:
Enter GONAHURL as a password. 
Speed mode:
SKATBORD as a password. 
Mutant mode:
GENETICS as a password. 
Psychedelic textures:
ACIDDUDE as a password. 
Regenerating monsters:
JUSTKIDN as a password. 

Passwords:
1 Ice Prison -- EMIAGCAI 
2 Zorrscha's Lab -- OMACCBAI 
3 Hot Pants -- FAIAGCBI 
4 Stan's The Man -- FEKAGCCA 
5 Oyster Desoyster -- LGBFIICE 
6 Puzzle Wood -- LMBBIIEE 
7 Temple Of Nori -- IEBBIIGF 
8 Egg! Egg! -- KNBBIIAI 
9 Huevos Libertad! -- LGBJIICI 
10 Pipe Hous -- LOBJIIEI 
11 Hate Tank -- IGBJIIGJ 
12 Fantabulous -- FFCAGCCC 
13 Mr. Schneobelen-- FHCAGCCK 
14 Collide O Scope -- FJKEGCDC 
15 The Zoul Train -- FLKEGCDK 
16 Lick The Toad --ADIKBIIB 
17 The Bitter End -- ADMIBIID 
18 Rub The Buddha -- MAECCBEJ