Daedalic Entertainment as recently announced the release of Deponia for PC and Mac and was available for purchase on August 7th via select downloadable sources such as Steam for only $15.99. To purchase Deponia go to their Official Website for links.
Deponia has been getting rave reviews in Germany and is currently listed in the top 10 games available on steam. It is an adventure game that takes place in a remote sector of a garbage covered made up planet called Deponia.
They have released a Flash Demo for you try as well as an awesome trailer below.