Alright so I want to apologize, we are a bit late in posting this, so the 48 hour deal is going to be less than 48 hours, more like around 24 hours, but here's the deal. If you have still not, somehow, found your way to play the point and click adventure trilogy of Deponia, you can fix that for a 66% off discount. All you will need to do is go to the steam page, and then there you go.
If you are wondering if the series is worth picking up, well here's my very own reviews to all three pieces of the series:
Oh and in case 66% off means nothing to you without the actual money figures, even though you could just see if for yourself on the Steam Page. It would look something like this 13.59US$/ 13.59€/ 19,79 GBP.