5. Crackdown 2 Crackdown was something of a surprise hit when it arrived on the Xbox 360. It had a hand in starting the "superhero sandbox" subgenre, which games like InFamous and Prototype expanded on, and garnered its fair share of fans. The success ensured that a sequel was on the way, eventually announced at E3 2009. The main focus of the promotion was that it would feature multiplayer, which was naturally appealing to those wanting to take down multi-million dollar crime syndicates with the...