Green Man Gaming offers Steam downloads of BioShock: Triple Pack for Windows
. (Sign into your account to see this price.) That's tied with our mention from two weeks ago as the best price we've seen. (It's a current low by $11.) This triple pack includes BioShock, BioShock 2, and BioShock: Infinite (the last two titles are also for Mac, and Infinite works with Linux too). Deal ends July 30.