Bonus Weapons
Complete either game with the indicated character to unlock the corresponding weapon. Pete, Gourmand, Julia and Accel do not unlock items in the first Power Stone.
Amenomurakuno: Ryoma
Crystal Ball: Rouge
Decoy Bomb: Ayame
Giant Boots: Gunrock
Maches Chainsaw: Jack
Soccer Ball: Falcon
Stone Sweeper: Julia
Thunderbolt Rider: Accel
Totem Hammer: Galuda
Turbo Helmet: Pete
Twin Potion: Wang-Tang
Wok Gun: Gourmand
Unlock Accel
Beat the game with Gourmond.
Unlock Gourmond
Beat the Game with Julia.
Unlock Julia
Beat the Game with Pete.
Unlock Mel
Finish 1 on 3 mode with Pride.
Unlock Original Special Weapons
Complete the game once with any character to unlock all the original secret weapons from Power Stone one.
Ray Gun: Beat Game Once
Power Shield: Beat Game Once
Nyoi-Bo: Beat Game Once
Machine Gun: Beat Game Once
Unlock Pete
Beat the game once with any character.
Unlock Pride and Kraken
Finish 1on 3 mode with Falcon.
Unlock Valgas
Finish 1 on 3 mode with Kraken.