Machinarium is a gorgeous point-and-click indie game that you've probably already purchased before. Even so, you should still pick it up and give it a try, especially as the "Definitive Version" is available now.
Machinarium a little too strange for you? These classic PC games may be more your speed.
The remaster has rebuilt the entirety of the game in a new custom-made DirectX engine over Flash, so it's now much more viable to play in fullscreen mode and in higher resolutions.
The new version also gets several other improvements, such as 12 new achievements, support for 14 additional languages, and the ability to play with Steam's Big Picture Mode.
The Steam Summer Sale has reduced the game to $2.50 currently, so if you're intrested in trying it out, head on over and pick up a copy for some surreal adventuring that you won't soon forget.