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Cheats for Power Stone Collection

Play as the Bosses

  • PSP
  • Unlock

Finish the game with each character one time. Finishing the game with any character opens up an extra option in ''The World of Power Stone'' book.

Play as Kraken

  • PSP
  • Unlock

Beat the game once with every character exept Valgas to unlock Kraken in arcade mode and versus mode.

Play as Final Valgas

  • PSP
  • Unlock

To play as Final Valgas, unlock Valgas himself first and complete the game on any difficulty without using a continue. After unlocking Valgas for the first time, you can even play as him and do not use a continue where you will see yourself automatically unlock Final Valgas!

Extra VMU Games

  • PSP
  • Unlock

You will open up a new game that can be downloaded onto your VMU whenever you complete the game, the 5th, 6th and 7th time. The games are: 

  • Fokker's Plane Chase 
  • Ayame's Ninja Stars 
  • and Gunrock's Slots 


You need a completely empty VMU to download the games.

Hide Menu While Paused

  • PSP
  • Unlock

After pausing the game press X+Y together to get rid of the menu.

Dual Virtual Mode

  • All platforms
  • Unlock

This option is on page 6, when you complete the game as Valgas. It is like the Virtual Mode, except with a split screen, and two players fighting in first person view.

Unlockable Characters

  • PSP
  • Unlock
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.

Unlock the two '???' mini games

  • PSP
  • Unlock
Ayame's Shuriken mini game obtain at least 500 medals
Gunrock's Slot mini game obtain at least 1000 medals

Unlock Bosses - Power Stone One

  • PSP
  • Unlock
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

  • All platforms
  • Unlock
Machine Gun Beat Game Once
Nyoi-Bo Beat Game Once
Power Shield Beat Game Once
Ray Gun Beat Game Once