Prototype: Take Alex Mercer, a genetically mutated shape-shifter with no memory of his past hell-bent on solving the mystery of his existence as he tears through New York City consuming and assuming physical identities, memories and abilities. Prototype2: As the game’s all-new infected protagonist, James Heller, players will experience Sgt James Heller cutting a bloody swathe through the wastelands of post-viral New York Zero.