Battle your way through a desolate, mechanical purgatory in Rengoku: The Tower of Purgatory for the PSP. As A.D.A.M., an android warrior, you must ascend a formidable tower, fighting other sentient machines to survive and uncover the truth behind your existence. This action RPG features intense real-time combat, extensive character customization by equipping various body parts and weapons scavenged from fallen foes, and randomly generated dungeon floors. With its dark, futuristic setting and challenging gameplay, Rengoku offers a unique and engaging portable hack-and-slash experience.