I think it would have been interesting if Sony had done a character mash-up game in the form of a MOBA.
So think League of Legends but with all Sony characters. Meh just a thought.
(Ninty or MS could try it too)
Platinums: Red Dead Redemption, Killzone 2, LittleBigPlanet, Terminator Salvation, Uncharted 1, inFamous Second Son, Rocket League