We're five weeks into Halo 4's dedicated co-op mode, Spartan Ops, and the missions are starting to surprise us after what was a slow start. New this week are actual failable missions in which the spartans must defend key objectives. The levels themselves are mostly a retread of old, but we do see some vehicle action which always helps keep things fresh. Here's our walkthrough of Episode 5 of Halo 4's Spartan Ops campaign.
Spartan Ops Episode 1 Overview
Spartan Ops Episode 2 Overview