Blink Trading Card Bundle
Featuring a great collection of shooters, RPG's, adventures and shufflepuck, Blink brings forth this bundle of games each of which has trading cards to collect.
As is usual with bundles, there is a tier system.
For $1,99 you will get To The Moon, Bad Hotel, Really Big Sky, Shufflepuck Cantina Deluxe, Gravity Badgers and Knytt Underground.
For $4.99 or more, you also get Saturday Morning RPG, Vanguard Princess, Oknytt, Dead Hungry Diner, Ku: Shroud of Morrigan, Major Mayhem, Skyward Collapse, Unearthed: Trail of Ibn Battuta episode one and a game that hasn't been revealed yet.
Three are playable on Linux, five are playable on Mac and all work on Windows. Of course, all are Steam. You can get the bundle here.