The episodic Grimm series is like a bunch of half hour-sized (or so), dark fairy tale-themed Katamari levels. Not as direct of a clone as The Wonderful End of the World, but the general idea and structure remains similar. They can get repetitive when you play the episodes in succession (the original release structure was perfect for avoiding that) and the humor doesn't always hit, but I enjoyed playing through them back when they came out and look forward to being able to give them another go.
