Borderlands 2 ships five million copies worldwide

Borderlands 2 shipments have topped 5 million units according to 2K during their quarterly investors meeting.

Having seen its release back toward the end of September, these numbers make it one of the most successful titles in 2K's history. Exact sell-through to consumer numbers were not shared, but we do know that the game managed to shift over 1.4 million units in the US during the month it released.