Hot on the heels of the three other games announced yesterday, Left 4 Dead 2 has just become playable on the Xbox One through backwards compatibility.Valve's classic multiplayer zombie shooter was number one on our TA Top Five: Backwards Compatibility Wishlist , so we can't wait to be terrorized again by the- why don't you join us?For a full list of the games that are now backwards compatible, head on over to our Xbox One Backwards Compatibility page.