Power Stone Collection brings the great action of the Power Stone series together on one disc! Arcade mode allows a single character to put their skills to the test against a lineup of computer controlled opponents. Unlock a variety of bonus features, including weapons, characters, galleries, additional modes and more. As an added bonus, the four additional characters from Power Stone 2 have been made available for Power Stone, bringing the total to 15 playable characters! Upgraded camera system - Players get a wider view of the action, tailored for the PSP screen Toggle between wide, mid and close range views of the action at any time Unlockable bonuses including new weapons & items Ad hoc multiplayer.