Gearbox Software offers SHiFT Codes for use on the PlayStation 3, Xbox 360, PC, or Mac versions of Borderlands 2 for free. That's tied with our mention from two weeks ago as the best offer we've seen on these codes, which give you access to a Golden Key, which in turn allows you to access certain in-game content. Deal ends January 27. The codes:

• PlayStation 3: CTWJJ-95F53-CKCW3-9JWJT-T5ZBB
• Xbox 360: 5BCTT-XX6SC-ZSXJX-KFJBJ-66R5W
• PC / Mac: 53KJ3-CK9W5-Z5XB3-T3BJT-969KW