2 codes for the bioshock infinite minigame online now. these are the instructions:
1. Go to www.FinkManufacturing.com
2. Click "Redeem Code."
3. Follow the instructions on-screen to register through Facebook
4. When prompted, enter and redeem your 16-figure code. Once you click "redeem code," you will have complete access to BioShock Infinite: Industrial Revolution
got the invalid message as well