Left 4 Dead fans who are full of mental distress and uneasiness to get their hands on the highly-anticipated sequel can experience some Zombie Mayhem today since the demo for Left 4 Dead 2, earlier only available to those who pre-ordered the game, is available for download on Xbox Live.

The Left 4 Dead 2 demo features gameplay taken from ‘The Parish’ campaign, set in the New Orleans French Quarter. Playable by 1 to 4 players over local or Internet connections on the Xbox 360 (with two-player split screen available on the Xbox 360), it includes all the new boss infected zombies and all the new melee weapons included in the full product.