Xbox Store Deal of the Week: Zombie Island for Borderlands by Major Nelson • Apr 19, 2010 @ 1:48pm Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Email (Opens in new window) This week, Xbox LIVE Gold members can purchase the Zombie Island game add-on for Borderlands for 1/2 off (400 points.)