PS3Hype writes: 'When I looked at my friend list on the PSN I was shocked! There were already playing 14 out of the 18 (who were online at the PSN) Killzone 2. That is very impressive because the game will released the day after tomorrow. Also there are already 14.300 players who played the Killzone 2 multiplayer!'
Edit: 15.639 are playing the multiplayer right now (5 min later). Official release date: 27/02/09.