A compilation, including an extended version of "Power Stone" and "Power Stone 2", both originally released for the Sega Dreamcast and arcades. It's fast and furious 3D brawlers putting a new spin on "last man standing" as the characters take on each other in a frenzied match ups amid a fully interactive environment. Using a simple control scheme, players can perform standard moves such as punches and kicks, but the deeper the power struggle takes place in the form of "stone energy". The wrestlers fight to collect these gems in order to tip the scales in their favor as arresting the three will allow them to transform into super fighters who can perform devastating power moves. Besides, various cool weapons and the ability to use the environment for creative purposes allows for an incredible level of freedom and depth beyond the usual fighting game. Multiplayer support via the PSP Hell system's special mode ups the ante as friends duke it into a frenzied, no-ban battles.