A few of us have been playing Monaco a lot this past week, and it is definitely worth checking out. Top-down, co-op and SP heist game, you can have fun by playing it seriously and laughing as your compadres run from half the guards on the level as you hide in a bush. Penny Arcad has a great comic highlighting that last bit:

http://www.penny-arcade.com/comic/2013/04/26