The latest expansion pack to BioShock Infinite has launched simultaneously on the Mac and PC. Burial at Sea - Episode 2 is the third and final add-on pack for BioShock Infinite and is included in the season pass for that game. It is available on the Mac for $15 on Steam and Aspyr's GameAgent.com store, and will be added to the Mac App Store later this week. BioShock Infinite ($30) is required to play the expansion packs, with the three-episode season pass available for $
