This science fiction launch title for the PSP focuses on combat action. Players take control of an android battling to reach the top levels of a dungeon-like tower, full of strange creatures and other enemies. As they progress through the game, players win new parts and earn new abilities for their android. Such upgrades are limited, however, so it's important to choose the right improvement at the right time. Multiplayer competition is supported, for up to four players, through the PSP's wireless connection features. Players can also wirelessly trade android upgrades they've collected.