$20 off Epic Mickey 2: The Power of Two ($39.99)

Retailer: Best Buy

Platforms: Xbox 360 / PlayStation 3 / Nintendo Wii

Link: http://bit.ly/QWwYLh 

If you've been looking for a fun co-op game to play with your kids (or any children from around the neighborhood) then Epic Mickey 2 makes a pretty good choice. It's light-hearted attitude and mildly challenging puzzles make for good kids' stuff, but what makes the game really special is the focus on co-operative gameplay.