I rarely comment here (this may very well be my first comment on the site), but this one really calls for it. The game is amazing.
The story is so well thought through it could be made into a detective novel. There are a few moments when things "click" and make me wonder, why didn't I think of it myself? The world is coherent, the characters have personalities and the lore leaves you with some good dilemmas to think about after you're done playing.
The playthrough is uncomplicated, but reading the dialogs and typical point-and-click trial-and-error does take its time (although the logic-to-guesswork ratio isn't bad). For such a short game the author put their heart and soul into it and the resulting quality is stunning.
Apart from the game shortness, the only thing I can complain about is the unsatisfying ending (the very ending).