As Crytek tweets, today is the launch day in North America for Crysis 2, their CryENGINE 3-powered first-person shooter sequel. To celebrate, they've released a Crysis 2 launch trailer featuring a rendition of New York, New York by Bobby Ray Simmons, Jr. aka B.o.B. For those interested in sampling the game, a multiplayer Crysis 2 demo was released at the beginning of this month. The trailer is embedded below.