The legendary Metal Gear® series comes to the PSP™ in METAL GEAR ACID™. Experience a whole new gameplay system that focuses on deep tactical strategy with an entirely new Metal Gear storyline. As the role of top-secret agent, Solid Snake, players will make calculated decisions to plan out their infiltration strategy and accomplish the mission in a turn-based style of game. Through the use of strategic battle cards, players are given different abilities and stealth tactics to achieve the mission objectives. METAL GEAR ACID™ delivers the trademark stealth-action experience in a completely new game for the portable gaming audience to enjoy.