Finally, Richard reviews Halo 4. The first brand new game Halo to be developed by 343 Industries after long-time parents Bungie walked away from the franchise, Halo 4 picks up the story of Master Chief -- humanity's greatest hero.
In Halo 4, The Chief tries to save Cortana from is slipping into rampancy -- a condition that plagues all UNSC AI constructs after they've been in service more than seven years. As their knowledge base expands, they eventually, as Cortana explains, think themselves to death.
Meanwhile, the ancient Forerunner race appears to have returned to take over their reign at the top of the Galactic food tree, seemingly aided by The Covenant. It's a race against time to save Cortana and humanity.