* UPDATE 5-10-13*
Borderlands 2 items are now available for Mac Steam players. For any bounty items already acquired in Poker Night 2, please navigate to the Bounties page and re-download each item and you should receive a Shift notification shortly thereafter.
Borderlands 2 items unlocked in Poker Night 2 are not currently available for Steam Mac players. An update to add these to the game is currently being tested and will be available soon. We apologize for the delay and any inconvenience it may cause.