It might have been excellent...
...but it just missed.
The graphics are superb, the storyline is actually more engaging than any similar games I've played, the music is nice and not particularly intrusive; BUT the puzzles are sometimes too simple, it's too short and has no replay value.
I liked that it has no timer because it makes (or would make) it perfect for those of us who just like to relax and enjoy the ride rather than being harassed by a ticking clock. After all, some of us play these games to unwind after being, you know, harassed by a ticking clock five days a week.
I had game credits or I would probably be somewhat annoyed at having to pay $20.00 for it. As it stands it's not a total waste, but it really needs more work. Two more murders and random item search for replay would make it one of the best I've played.