Armageddon (2005) was the sixth Armageddon professional wrestling pay-per-view event produced by World Wrestling Entertainment (WWE). It was presented by Microsoft's Xbox 360, and took place on December 18, 2005 at the Dunkin' Donuts Center in Providence, Rhode Island and was a SmackDown! brand-exclusive event.The main event was a Hell in a Cell match between Randy Orton and The Undertaker, which Undertaker won by pinfall after performing a Tombstone piledriver.