A fusion of card-based RPGs and Adventure games, “Black Book” is a haunting tale of a young sorceress, who gave her life to serve the dark forces. Dive into the cold, yet alluring world of folk tales - and uncover the secrets that hide in the darkness.
54
Peak of Today
> 1000
Peak of Today
39
Average this month
Average this month
103
Peak of the Month
> 1000
Peak of the Month
224
Peak this Year
> 1000
Peak this Year
Aug 2021
Peak Month
Peak Month
2.99%
Current/All-Time Peak
Current/All-Time Peak
黑书 online player statistic
| month | Average | Change Amount | Change Rate | Peak |
|---|---|---|---|---|
| Last 30 days | 42 | +4 | +10.53% | 105 |
| Aug 2025 | 38 | -18 | -32.14% | 105 |
| Jul 2025 | 56 | +16 | +40.00% | 141 |
| Jun 2025 | 40 | 0 | 0.00% | 93 |
| May 2025 | 40 | +2 | +5.26% | 110 |
| Apr 2025 | 38 | +8 | +26.67% | 102 |
| Mar 2025 | 30 | -10 | -25.00% | 86 |
| Feb 2025 | 40 | -22 | -35.48% | 98 |
| Jan 2025 | 62 | +16 | +34.78% | 224 |
| Dec 2024 | 46 | +5 | +12.20% | 140 |
| Nov 2024 | 41 | +10 | +32.26% | 95 |
| Oct 2024 | 31 | -18 | -36.73% | 88 |
| Sep 2024 | 49 | +21 | +75.00% | 130 |
| Aug 2024 | 28 | -4 | -12.50% | 64 |
| Jul 2024 | 32 | -10 | -23.81% | 71 |
| Jun 2024 | 42 | +11 | +35.48% | 97 |
| May 2024 | 31 | -10 | -24.39% | 69 |
| Apr 2024 | 41 | +5 | +13.89% | 108 |
| Mar 2024 | 36 | -11 | -23.40% | 91 |
| Feb 2024 | 47 | +6 | +14.63% | 122 |
| Jan 2024 | 41 | -3 | -6.82% | 115 |
| Dec 2023 | 44 | +2 | +4.76% | 127 |
| Nov 2023 | 42 | -14 | -25.00% | 107 |
| Oct 2023 | 56 | +16 | +40.00% | 185 |
| Sep 2023 | 40 | +12 | +42.86% | 103 |
| Aug 2023 | 28 | -10 | -26.32% | 72 |
| Jul 2023 | 38 | -11 | -22.45% | 103 |
| Jun 2023 | 49 | +5 | +11.36% | 114 |
| May 2023 | 44 | -4 | -8.33% | 107 |
| Apr 2023 | 48 | +5 | +11.63% | 145 |
| Mar 2023 | 43 | 0 | 0.00% | 128 |
| Feb 2023 | 43 | -10 | -18.87% | 129 |
| Jan 2023 | 53 | -12 | -18.46% | 126 |
| Dec 2022 | 65 | -4 | -5.80% | 159 |
| Nov 2022 | 69 | +8 | +13.11% | 139 |
| Oct 2022 | 61 | -29 | -32.22% | 130 |
| Sep 2022 | 90 | +24 | +36.36% | 402 |
| Aug 2022 | 66 | -8 | -10.81% | 206 |
| Jul 2022 | 74 | +6 | +8.82% | 165 |
| Jun 2022 | 68 | +1 | +1.49% | 148 |
| May 2022 | 67 | +1 | +1.52% | 148 |
| Apr 2022 | 66 | +9 | +15.79% | 153 |
| Mar 2022 | 57 | -48 | -45.71% | 146 |
| Feb 2022 | 105 | -114 | -52.05% | 234 |
| Jan 2022 | 219 | +59 | +36.88% | 662 |
| Dec 2021 | 160 | +71 | +79.78% | 361 |
| Nov 2021 | 89 | -57 | -39.04% | 260 |
| Oct 2021 | 146 | +15 | +11.45% | 390 |
| Sep 2021 | 131 | -23 | -14.94% | 356 |
| Aug 2021 | 154 | -439 | -74.03% | 505 |
| Jul 2021 | 593 | - | - | 1,806 |
