Mermaid Testing vs [] Detective Duck
Mermaid Testing currently leads with 2,217 concurrent players against 2,012. On all-time peak the record belongs to [] Detective Duck at 5,079 concurrent players, versus 2,887. Lifetime, Mermaid Testing has more visits (678.8M vs 52.5M). Full side-by-side history for Mermaid Testing and [] Detective Duck is charted above.
Mermaid Testing 🥭
2,217
playing now
2,887 24h peak · 678.8M visits
VS
[🦆] Detective Duck
2,012
playing now
2,706 24h peak · 52.5M visits
Player count history
Mermaid Testing[] Detective Duck
Head to head
| Metric | Mermaid Testing | [] Detective Duck | Difference |
|---|---|---|---|
| Playing now | 2,217 | 2,012 | 205 |
| 24h peak | 2,887 | 2,706 | 181 |
| 24h average | 2,172 | 2,033 | 139 |
| 7-day peak | 2,887 | 5,079 | 2,192 (1.8×) |
| 7-day average | 1,792 | 2,483 | 691 |
| 30-day peak | 2,887 | 5,079 | 2,192 (1.8×) |
| All-time peak | 2,887 | 5,079 | 2,192 (1.8×) |
| 24h change | ▲ 36.9% | ▼ 0.7% | — |
| 7d change | — | — | — |
| Total visits | 678.8M | 52.5M | 626.3M (12.9×) |
| Visits (24h) | 301.5K | 148.8K | 152.7K (2.0×) |
| Visits (7d) | 952.4K | 955.4K | 3K |
| Favorites | 530.5K | 315.5K | 214.9K (1.7×) |
| Rating | 77.7% | 95.4% | — |
| Global rank (players) | #765 | #857 | of 4,743 |
| Trending score | 69.8 | -59.4 | — |
| Created | Oct 21, 2020 | Oct 2, 2025 | — |
| Genre | Roleplay & Avatar Sim | Puzzle | — |
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 — 4 days for Mermaid Testing, 5 for [] Detective Duck.