KillZone 3 (PlayStation 3, 2011)-Multiplayer Beta-Tested-w/ Case & Manual 711719828624 | eBay
Co-Optimus - Review - Killzone 3 Co-Op Review
Killzone 3 – a beginner's multiplayer survival guide « Video Games Daily
Finished Killzone 2 on RPCS3, now playing Killzone 3. I never got to play this one when I had my PS3. Much better and more responsive controls than 2. System Specs: Legion
How to Play Killzone 3's Online Multiplayer Mode for PS3 « PlayStation 3 :: WonderHowTo