Puzzle #15 was "piano"

Leaderboard

Players who logged in and solved it, earliest first.

Rank	Nickname	Solved at (Japan time)Time (JST)	Questions
1	KUMA08	00:10:15	18
2	しらはと	06:16:26	18
3	つぶ@F	06:42:50	14
4	オリオン	10:44:56	19
5	やなじゅん	15:44:26	20
6	homiko	18:05:33	14
7	えむ	18:41:36	11
8	圭磨	20:58:21	16
9	ガス	21:23:59	4
10	中ちゃん	21:51:50	17
11	くろごま	21:52:51	20
12	み	23:54:04	18

How far players got

The number of players who reached each step. The blue part shows players who stopped there (gave up, used all their questions, or left partway).

1. Players

   148

   Stopped before reaching any step below: 76

2. Found out it's "man-made object"

   72

   Stopped here: 19

3. Found out where it is: "school"

   53

   Stopped here: 11

4. Found out it's "musical instrument"

   42

   Stopped here: 4

5. Solved it

   38