Monday, March 19, 2012
Halo Reach Weekly Challenge 19/03/2012 Co-op Dash
Clear any Campaign mission on Heroic, in co-op, in 15 minutes or less
Nightfall it. Simple as always. You don't need a second person to actually be there, all you need is a second controller. Although I have noticed that with even numbers of players, the final section is more likely to be populated. So a second person might help.