| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 3.98/5 | 4.60/5 |
| Vol 2 | 3.90/5 | 4.58/5 |
| Vol 3 | 4.05/5 | 4.62/5 |
| Vol 4 | 4.05/5 | 4.62/5 |
| Vol 5 | 3.96/5 | 4.60/5 |
| Vol 6 | 3.84/5 | 4.57/5 |
| Vol 7 | 4.03/5 | 4.61/5 |
| Vol 8 | 4.05/5 | 4.62/5 |
| Vol 9 | 3.57/5 | 4.54/5 |
| Vol 10 | 4.15/5 | 4.66/5 |
| Vol 11 | 4.22/5 | 4.69/5 |
| Overall | 3.98/5 | 4.69/5 |