Halo Reach: Co-op Dash Easiest Way Ever! (Dual-commentary)

This is how you get the "Co-op Dash" weekly challenge the easiest and fastest possible way. Challenge: Co-op Dash - Clear any Campaign mission on Heroic, in co-op, in 9 minutes or less. Reward: 30343cR Mission: Nightfall Skulls: None required Difficulty: Heroic Players: 2 or more