All the Little Match Girl games are just plain wacky fun. The time/space-hopping, the Metroidvania-ness, and the outlandishness of the premise all make them a delight to play, and LMG4 is no exception. I loved the humor of the parser responses, the vividness and variety of the settings, the construction of the puzzles, the way the various worlds connect to each other, being able to (Spoiler - click to show)turn into a mouse and have chats with other animals, the commentary from the scanning lens, and (Spoiler - click to show)the poignant character moment at the end.
My only critiques are that I would have liked a bit more implementation of synonyms, and that when playing in browser (which I did for the pretty colors/other stylings), there’s a long sequence of timed text that repeats every time you sit down and reflect on how things are going. As you progress in the game, new text is added to the end of this segment; however, you still have to sit through the slow doling-out of the text you’ve already seen each time, with no way (as far as I could tell) to skip through or speed it up. But that's quite a minor thing--on the whole, I love this series and this game!