By now, a lot of you have probably had a chance to download last week's Killzone 3 beta and play it extensively – although a lot more of you haven’t, seeing as the beta’s only been made available to a relative handful of PS3 owners. If you’re missing out, then you might not already know that the PS3-exclusive shooter’s multiplayer – at least as represented in the beta – is a big improvement over Killzone 2’s relatively more straightforward run-and-gun. There’s a lot more going on and a lot more opportunities for fun in the beta’s three available levels, but here’s what stood out to us the most after a few hours of play.