http://www.ztgd.com/news/11431/dead-island-coming-to-playstation-home/
A Dead Island themed mini game will be available to PlayStation Home visitors in which players must prove their skills in crafting items and pit their abilities against attacks from a rampaging zombie horde. Just like the co-op mode in Dead Island this mini game can be played with up to 4 players in different play styles. In all, there are 10 mini-game challenges associated with the game users completing all 10 will be awarded with an exclusive in-game weapon "Exploding Meat".