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