Sony has told Eurogamer that PSN title LocoRoco: Midnight Carnival will be released on 29th October.
The game will cost Ł11.99. For that you'll get 16 new stages, two mini-games and more multiplayer options, including co-op modes. LocoRoco: Midnight Carnival will not be available in shops, because it's from the Future.
Have a look at the trailer for more info.