That said, where there's silence in a business negotiation, there's also a poker game in progress. (killzoneblog.com)
So, you can join a co-op game in progress and as long as you beat the last level you get the achievement for beating the game. (andymerrill.com)
I couldn't find an option to concede, and prefer not to quit out of an online game in progress out of respect for my opponents, so I was stuck. (ztgd.com)