Mermaid Testing vs Clean The Library
Clean The Library currently leads with 4,131 concurrent players against 2,372, a 1.7× advantage. On all-time peak the record belongs to Clean The Library at 6,227 concurrent players, versus 3,842. Momentum favours Mermaid Testing: +13.5% week over week versus -6.3% for Clean The Library. Lifetime, Mermaid Testing has more visits (681.5M vs 90.1M). Full side-by-side history for Mermaid Testing and Clean The Library is charted above.
Mermaid Testing 🥭
2,372
playing now
3,842 24h peak · 681.5M visits
VS
Clean The Library 📖
4,131
playing now
5,172 24h peak · 90.1M visits
Player count history
Mermaid TestingClean The Library
Head to head
| Metric | Mermaid Testing | Clean The Library | Difference |
|---|---|---|---|
| Playing now | 2,372 | 4,131 | 1,759 (1.7×) |
| 24h peak | 3,842 | 5,172 | 1,330 |
| 24h average | 2,649 | 4,247 | 1,598 (1.6×) |
| 7-day peak | 3,842 | 5,172 | 1,330 |
| 7-day average | 2,046 | 3,946 | 1,900 (1.9×) |
| 30-day peak | 3,842 | 5,172 | 1,330 |
| All-time peak | 3,842 | 6,227 | 2,385 (1.6×) |
| 24h change | ▲ 9.8% | ▲ 4.0% | — |
| 7d change | ▲ 13.5% | ▼ 6.3% | — |
| Total visits | 681.5M | 90.1M | 591.4M (7.6×) |
| Visits (24h) | 416.6K | 228K | 188.5K (1.8×) |
| Visits (7d) | 2.3M | 1.6M | 686K |
| Favorites | 535.1K | 324.7K | 210.4K (1.6×) |
| Rating | 77.7% | 92.6% | — |
| Global rank (players) | #679 | #383 | of 8,283 |
| Trending score | 99.7 | 27.5 | — |
| Created | Oct 21, 2020 | May 26, 2026 | — |
| Genre | Roleplay & Avatar Sim | Adventure | — |
Other comparisons
Both games are sampled on the same schedule and plotted on a shared time axis, so the comparison is like for like. Peaks, averages and growth come from RoVitals's own recorded history — 12 days for Mermaid Testing, 13 for Clean The Library.