Halo 3 is one of the most anticipated games on the planet and there's no two ways about that. Having played Halo 2 in co-op, I can understand the frenzy this game will cause among 360 owners as and when it's out. To keep gamers updated with the latest developments, Bungie releases weekly updates about the game. Now, a lot of the updates are pretty mundane, so we'll fill you in on the interesting stuff. First and foremost, testing of Halo 3's single player campaign has officially started with daily sessions testing the game's single player environments and AI.
The lab formerly known as the multiplayer lab is now also the single player lab, where folks may go in at just about any time and start playing through a selection of single player Campaign missions.
Halo 3 will also incorporate a brand new (unnamed as of now) multiplayer mode that's supposed to be "super fun, yet utterly terrifying at the same time" according to Bungie Community Manager, Frank O'Connor. More
here.
When is the release date!!????!!! 
