The Thoughtful Bundle, a collection of games put together by the Indie Royale initiative, contains two Linux games.The Indie Royale collections were not too friendly towards the Linux platform, but The Thoughtful Bundle contains two Linux compatible games.
Snapshot is a 2D platformer developed by Retro Affect. It has a unique camera mechanic and players will have to solve puzzles using photos taken in the game world.
Fieldrunners is a classic Tower Defense game in which the players will have to defend and control the field, using a diverse selection of upgradeable towers, in a limitless adventure.
The promotion is set to end today, but you can still buy the collection, which also contains Cognition Episode 2: The Wise Monkey, Aaaaa! -- A Reckless Disregard for Gravity, and Snuggle Truck.
More details about this bundle can be found on the official website.