Xbox Store Game Add-on: The Sacrifice for Left 4 Dead and L4D2 by Major Nelson • Oct 7, 2010 @ 1:35am Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share via Email. The Sacrifice game add-on is now available for Left 4 Dead and Left 4 Dead 2 for 560 Points each.
