Power Stone 1
Unlockable Special Weapons:
Unlockable Characters/Bosses:
Beat the game once to unlock the Machine Gun, Nyoi-Bo, Power Shield, and Ray Gun.
| Pete | Beat the game once with any character. |
| Julia | Beat the Game with Pete |
| Gourmond | Beat the Game with Julia |
| Accel | Beat the game with Gourmond |
| Kraken | Beat the game with all available characters |
| Valgas | Beat the game with Kraken |
| Final Form Valgas | Beat the game with Valgas |
Power Stone 2
Unlockable Characters
| Mel | Beat 1 on 3 mode with Pride |
| Pride & Kraken | Beat 1on 3 mode with Falcon |
| Valgas | Beat 1on 3 mode with Kraken |
PSP Bonuses
Unlockable Items:
These can be unlocked by playing either game, but the bonus characters from Power Stone 1 will not unlock these items. Instead, use them in Power Stone 2.
| Amenomurakuno | Beat the game with Ryoma |
| Crystal Ball | Beat the game with Rouge |
| Decoy Bomb | Beat the game with Ayame |
| Giant Boots | Beat the game with Gunrock |
| Maches Chainsaw | Beat the game with Jack |
| Soccer Ball | Beat the game with Falcon |
| Stone Sweeper | Beat the game with Julia |
| Thunderbolt Rider | Beat the game with Accel |
| Totem Hammer | Beat the game with Galuda |
| Turbo Helmet | Beat the game with Pete |
| Twin Potion | Beat the game with Wang-Tang |
| Wok Gun | Beat the game with Gourmand |
Extra mini-games:
From the main menu, you can access a mini-game that lets you earn medals. If you get 500 medals, you'll unlock Ayame's Shuriken mini-game, and if you manage to get 1000 medals, you get Gunrock's Slot mini-game.
Thanks to Revolution Readers Shank, RYOKAI, and The_Billy_Club!
