8. Halo 4

The introduction of a new developer for Halo 4 had die-hard fans biting their fingernails, but 343Industries delivered a Halo game that was gritty and raw, taking the franchise in a brave new emotional direction. Right away, Halo 4 represents some of the best storytelling in the entire series and breathes new life into what's already one of the best properties of all time.