Halo 4 Spartan Episode 5, "Memento Mori", is now yours to enjoy. It includes missions set on the Gate, the Cauldron, the Refuge and Quarry, plus another wodge of CGI narrative.
"Secrets are revealed, trusts betrayed and the Sangheili leader Jul 'Mdama's ultimate plan nears success," comments a blurb. "As Infinity's command crew makes a discovery that changes everything we thought we knew about the Forerunner Prometheans, the Spartans must attempt to rescue one of their own."
Trailer! Watch it. There's also a new playlist in regular multiplayer, Team Regicide, which purports to smash everything you know about murdering royals. Read more about it and the forthcoming Crimson Map Pack in our Halo 4 DLC round-up.