| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 3.30/5 | 4.30/5 |
| Vol 2 | 3.57/5 | 4.42/5 |
| Vol 3 | 3.69/5 | 4.49/5 |
| Vol 4 | 3.99/5 | 4.61/5 |
| Vol 5 | 3.97/5 | 4.60/5 |
| Vol 6 | 4.14/5 | 4.66/5 |
| Vol 7 | 3.90/5 | 4.57/5 |
| Vol 8 | 4.01/5 | 4.61/5 |
| Vol 9 | 3.90/5 | 4.58/5 |
| Vol 10 | 4.11/5 | 4.64/5 |
| Vol 11 | 4.04/5 | 4.62/5 |
| Overall | 3.87/5 | 4.66/5 |