Halo 4

At the end of Microsoft's E3 2011 press conference, the company teased the world with a Halo 4 trailer. Fast-forward a year and now it's time to see if a new developer can keep the franchise fresh. Look for Microsoft to lead with a Halo 4 gameplay demo this go around, but it'll be the hands-on with the title that dictate whether Master Chief still has it.