The Planetary Annihilation developers are promising big things this Thursday for when they enter their "Gamma" phase of development, yes they did just make that up.
Race The Sun finally has its "I am on Steam for Linux" badge, it's like graduating university, only cooler. Race The Sun now has it's Linux version on Steam with the proper tux icon all there.
Blocks That Matter is a puzzle platform game where the player takes the role of Tetrabot, a weird machine that absorbs blocks and then recycles them back into the environment in order to solve puzzles.
I am no stranger to thinking that I can run my country better than my current government, and it is not often that a game can prove you so badly wrong.
Hexcells & Hexcells Plus have today been released for Linux, the developer describes it as an ambient logic puzzle game and doesn't give you anymore than that to go with.
Since I have done a lot of this recently it only seems fair to highlight this, Card City Nights recently released onto Steam and its Linux sales are good.