Left 4 Dead 2 demo detailed, dated

Valve has announced details and release dates for a Left 4 Dead 2 demo, due to hit before the game releases in November.

The demo will have gameplay taken straight from The Parish campaign, feature four-player co-op over local or online connections, and all the new zombie bosses and melee weapons you’ll find in the full game.

The demo releases October 27th for those who pre-order and on November 3rd for Xbox LIVE Gold members. Silver members get it November 10th and finally the game releases on November 17th.