The Inner World
All in all, a very nice little adventure game with unique visuals, original ideas, enjoyable music, many good chuckles and fantastic (German) voiceovers. I just wish it was a little more polished.
There are some minor inconsistencies in the characters (e.g. Robert supposedly knowing nothing of the world due to his upbringing but then being able to make smartass comments that reveal he actually does) and in the (German) forms of address ("du", "ihr", "Sie", old-fashioned "Ihr", partially all mixed in the same dialogues; probably not a problem in the English translation though). And the dialogues don't pay much attention to chronological order, so if you don't do everything in the order the devs expect you to do it, the characters might talk about things and use names they haven't even heard yet. But I also had the game hang at several occasions, when an animation wouldn't play and I had to quit and reload to continue; also happened to me with the credits that wouldn't start to roll after I had finished the game, only in this case reloading didn't help. I also noticed that the background music would stop during small cutscenes and only continue afterwards, which sounded odd, there were two or three lines of dialogue missing a sound file, and sometimes the lip-sync was off.
The puzzle design was hit or miss. The game has a very good in-built hint system, so you won't need to consult a walkthrough, but the downside is that you will feel tempted to use it a lot if you're not the patient type, and some puzzles really seem to require using it, as their solution is very roundabout and following the weirdest adventure game logic. I guess I would have prefered more logical puzzles and better in-game hints to an in-built hint system for obscure puzzles. I think one flaw in the puzzle design is also that often you can't fully figure out yourself how everything could be connected, because instead of the game giving you access to all parts of the puzzle, some are only revealed after doing seemingly random things before you know what they're good for and why you're doing them in the first place.
Still, a good recommendation for fans of original adventure games, particularly those with humor and unique settings.