This is a compilation of enhanced versions of Power Stone
and Power Stone 2
. This collection includes bonuses like the Bomber Battle minigame, visual layout fixes, new weapons, extra characters in Power Stone 1, and new unlockables. Multiplayer is available for 2 players (PS1) or four players (PS2). Using a single UMD, you can send the trial version of Power Stone 2 for your friends to play.