This week, you could get 3 games (2 also for Linux, 1 only for Windows), which are Air Forte (for Linux with soundtrack and Steam key), Flotilla (only for Windows, Steam key) and Atom Zombie Smasher (for Linux + soundtrack and Steam key).
All of this for $1!
And remember, part of your money will go to charity!
So, pay what you want, help charity, get amazing games and many other contents!
What are you waiting for? Don't be a stupid and be quick!