I don't have a lot of time to play AGs these days but have just finished playing Deponia! I'm not a great fan of cartoony type games but the humourous & thoughtfully observersed, sometimes 'adult' dialogue in this one completely sucked me in - I couldn't stop laughing at times, the story was very good & the game ran so smoothly! If you need a game to cheer you up please think about playing this one!
(I want more so have just ordered Chaos on Deponia!)