Naughty Dog's launched a new video giving online players the full heads up on the just launched Uncharted 3 multiplayer beta.

The beta kicked off yesterday for PS Plus subscribers and launches on July 4 for everyone else. It runs until July 13.
The game types and maps available will change week-on-week, with everything from straight deathmatch and team deathmatch scenarios through to 'Co-op Hunter' and 'Co-op Adventure' modes. More details can be found here.
The first bits of beta gameplay footage have started to land online. Check out 11 and a half minutes now.