Most Played PS3 FPS

Anyone know what the most played ps3 FPS is?

Killzone 2, never played a CoD in my life. But that may change with Modern Warfare 2.

cod4 is the most played but not the best. killzone 2 is the best. its a pity that it didn't sell more.

here's my breakdown of best PS3 FPS games:

1. Killzone 2

2. Resistance 2

3. Resistance: Fall of Man

4. Orange Box

5. Call of Duty 4: Modern Warfare

Killzone 2

Resistance: Fall of Man

1. COD4

2. COD: World at War

3. Killzone 2

4. Resistance 2

Probably COD 4