Note:- This game is also known as - Power Stone Portable

Characters (for Power Stone 2) - These character unlocks are exclusively for Power Stone 2.

Kraken Beat the game as Falcon in 1 vs. 3 mode

Mel Beat the game as Pride in 1 vs. 3 mode

Pride Beat the game as Falcon in 1 vs. 3 mode

Valgas Beat the game as Kraken in 1 vs. 3 mode

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

Unlock the two '???' mini games - In the Power Stone Collection Menu there is one mini game already unlocked. By obtaining enough medals in a mini game, you can unlock the other games.

Ayame's Shuriken mini game obtain at least 500 medals

Gunrock's Slot mini game obtain at least 1000 medals

Unlockable Characters - Note: This is only for Power Stone 1

Accel Beat the game with Gourmond

Gourmond Beat the Game with Julia

Julia Beat the Game with Pete

Pete Beat the game once with any character.

Unlockables

Bonus PSP Items - Finish the game with certain characters to get "their" item. Works on both games, however, on Power Stone 1, Pete, Gourmand, Julia and Accel do not unlock their items.

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