Left 4 Dead 2 is now free to play this entire weekend. If you are new to the Left 4 Dead world, we have a list of tips below. If you have been around for a bit, don’t forget we have the Good Guy Nick achievement for you to earn starting today.Additionally, to help find players and start games or just talk about Left 4 Dead 2, join us in the Official Game Group chat this Saturday. Devs will be hanging out in chat and in games from 10am to 6pm PST this Saturday.
