Ready to get a killer deal on Media Molecules's Little Big Planet? GoGamer is running their 48 Hour Madness promotion and has Little Big Planet for PS3 for only $21.90.
Little Big Planet is a solid 4 player co-op title where players can work together to platform their way through dozens of levels. Once they get tired of that? Players can cooperative and create their own levels using the in game tools and then share them online. The game supports both online and local co-op play - including drop-in/drop-out support.
Using the above links supports Co-Optimus.com!
*Note* - This it the PAL version of the game that works in any PlayStation 3.