If you have pre-purchased L4D2 you will be eligible to play the demo on 27th October, this applies to both Steam & 360 players. To be ready for the 27th pre-load the demo now and it will be available immediately on Tuesday.

A reminder of the dates the demo will unlock for everyone else:

Xbox 360 LIVE Gold members AND PC players (who haven’t pre-ordered) can play the demo from 3rd November. Lastly, all Xbox 360 LIVE members will have the demo available from 10th November.