Ape Escape: Pumped And Primed

Password input option:
Successfully complete the game then hold R1 + L1 + R2 + L2 at the mode selection screen.
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Easy difficulty:
Enter EASY as a password. All the game levels will be easy except for the Boss levels.
Veronica.

Normal difficulty:
Enter NORMAL! as a password.

Hard difficulty:
Enter HARD! as a password.

All gadgets:
Enter Go Wild! as a password. Enter Limited! as a password to disable this effect.

Jake in versus mode:
Successfully complete the game.

Dark Jake in versus mode:
Collect all presents for a character.

Monkey fan:
Complete the game in first place.