Today, Sony has officially revealed its response to Nintendo's hugely popular crossover fighting franchise, Super Smash Bros. Playstation All Stars Battle Royal is a crossover between several different Sony franchises and third party games and is being developed by SuperBot Entertainment exclusively for the PS3.  

Fat Princess, Parappa the Rapper and Sly Cooper join the likes of Twisted Metal's Sweet Tooth, Killzone's Colonel Radec and God of War's Kratos on the preliminary roster. Sony will reveal many more characters leading up to the game's launch, which should occur during the lead-up to 2012's holiday season.