Power Stone Collection Cheats

Unlock Pete
This is only for Powerstone 1. Pete Beat the game once with any character.

Unlock Weapons
Complete the game a certain number of times to unlock new, PSP specific weapons:

Amenomurakumo: Beat Game Five Times
Crystal Ball: Beat Game Three Times
Decoy Bomb: Beat Game Six Times
Giant Boots: Beat Game Seven Times
Manches Chainsaw: Beat Game Eight Times
Soccer Ball: Beat Game Twice
Stone Sweeper Beat the game with Julia
Totem Hammer: Beat Game Nine Times
Twin Potion: Beat Game Four Times
Thunderbolt Rider Beat the game with Accel
Turbo Helmet Beat the game with Pete
Wok Gun Beat the game with Gourmand

Unlock Bosses - Power Stone One
Final Form Valgas: Complete the game with Valgas
Kraken: Complete the game with all characters (Except PS2 Characters)
Valgas: Complete the game with Kraken

Unlock Original Special Weapons From PS1
Complete the game once with any character to unlock all the original secret weapons from Power Stone one.

Machine Gun: Beat Game Once
Nyoi-Bo: Beat Game Once
Power Shield: Beat Game Once
Ray Gun: Beat Game Once