Originally Posted by Shaun72
Complete all but two co-op chapters with someone on your friends list, then notice they completed the last two without you.
Haha, I'll still do them with you, I don't mind going through them again.
It's Not Your Connection, The Co-Op Just Sucks - 999G
Endure a co-op game for thirty seconds.
One To Rule Them All - 1G
Do everything else.