Mermaid Testing vs Fat Fish →
Mermaid Testing currently leads with 1,157 concurrent players against 1,128. On all-time peak the record belongs to Mermaid Testing at 2,679 concurrent players, versus 1,690. Lifetime, Mermaid Testing has more visits (678.5M vs 803K). Full side-by-side history for Mermaid Testing and Fat Fish → is charted above.
Mermaid Testing 🥭
1,157
playing now
2,181 24h peak · 678.5M visits
VS
Fat Fish 🦐 → 🐡
1,128
playing now
1,690 24h peak · 803K visits
Player count history
Mermaid TestingFat Fish →
Head to head
| Metric | Mermaid Testing | Fat Fish → | Difference |
|---|---|---|---|
| Playing now | 1,157 | 1,128 | 29 |
| 24h peak | 2,181 | 1,690 | 491 |
| 24h average | 1,570 | 1,115 | 455 |
| 7-day peak | 2,582 | 1,690 | 892 (1.5×) |
| 7-day average | 1,685 | 1,064 | 621 (1.6×) |
| 30-day peak | 2,582 | 1,690 | 892 (1.5×) |
| All-time peak | 2,679 | 1,690 | 989 (1.6×) |
| 24h change | ▲ 3.0% | ▲ 35.6% | — |
| 7d change | — | — | — |
| Total visits | 678.5M | 803K | 677.7M (845.0×) |
| Visits (24h) | 262.3K | 156.2K | 106.1K (1.7×) |
| Visits (7d) | 702.9K | 211.1K | 491.8K (3.3×) |
| Favorites | 530.1K | 2.5K | 527.6K (210.7×) |
| Rating | 77.7% | 44.5% | — |
| Global rank (players) | #1,165 | #1,191 | of 4,380 |
| Trending score | -21.5 | 14.3 | — |
| Created | Oct 21, 2020 | May 28, 2026 | — |
| Genre | Roleplay & Avatar Sim | Simulation | — |
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, 3 for Fat Fish →.