Cheats:

1. Start a normal game
2. Go to the options screen.
3. Select SAVE GAME
4.. Then, in any slot, type:

BUY A PLAYSTATION
     God Mode. Invulnerability, infinite energy, weapons

WORLD OF FISH
     Allows you select a level

5. From the options screen, select QUIT TO TITLE
6. Start a new game
7. Pick men or women

Continue following the on-screen directions.