Level History of SkillBooks4
| Level | Date |
|---|---|
| 21 | 2020-07-30 19:33:20 |
| 20 | 2020-07-30 19:06:33 |
| 19 | 2020-07-30 18:33:24 |
| 18 | 2020-07-30 18:12:52 |
| 17 | 2020-07-30 17:57:47 |
| 16 | 2020-07-30 17:39:33 |
| 15 | 2020-07-30 17:27:46 |
| 14 | 2020-07-30 17:20:56 |
| 13 | 2020-07-30 17:12:54 |
| 12 | 2020-07-30 17:08:27 |
| 11 | 2020-07-30 17:04:39 |
| 10 | 2020-06-21 08:19:56 |
| 9 | 2020-06-21 08:08:20 |
| 8 | 2020-06-21 08:04:18 |
| 7 | 2020-06-21 08:02:11 |
| 6 | 2020-06-21 07:52:06 |
| 5 | 2020-06-21 07:43:23 |
| 4 | 2020-06-21 07:34:14 |
| 3 | 2020-06-21 07:24:27 |
| 2 | 2020-06-21 07:23:13 |