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. METAL GEAR ACID delivers the trademark stealth-action experience in a new game for the PSP handheld system. Features: - Over 200 strategic battle cards to accomplish the mission - Buy new cards to enhance your infiltration strategy - and discover new cards as you play - Different decks give you new & unique abilities and actions