Mermaid Testing vs Build a Dinosaur
Mermaid Testing currently leads with 2,353 concurrent players against 630, a 3.7× advantage. On all-time peak the record belongs to Build a Dinosaur at 4,488 concurrent players, versus 3,501. Momentum favours Mermaid Testing: +14.0% week over week versus -56.5% for Build a Dinosaur. Lifetime, Mermaid Testing has more visits (681.2M vs 2.7M). Full side-by-side history for Mermaid Testing and Build a Dinosaur is charted above.
Mermaid Testing 🥭
2,353
playing now
3,501 24h peak · 681.2M visits
VS
Build a Dinosaur
630
playing now
1,201 24h peak · 2.7M visits
Player count history
Mermaid TestingBuild a Dinosaur
Head to head
| Metric | Mermaid Testing | Build a Dinosaur | Difference |
|---|---|---|---|
| Playing now | 2,353 | 630 | 1,723 (3.7×) |
| 24h peak | 3,501 | 1,201 | 2,300 (2.9×) |
| 24h average | 2,383 | 847 | 1,536 (2.8×) |
| 7-day peak | 3,501 | 3,474 | 27 |
| 7-day average | 1,979 | 1,470 | 509 |
| 30-day peak | 3,501 | 4,488 | 987 |
| All-time peak | 3,501 | 4,488 | 987 |
| 24h change | ▲ 15.9% | ▲ 8.2% | — |
| 7d change | ▲ 14.0% | ▼ 56.5% | — |
| Total visits | 681.2M | 2.7M | 678.5M (249.8×) |
| Visits (24h) | 409.9K | 75.3K | 334.6K (5.4×) |
| Visits (7d) | 2.2M | 835K | 1.4M (2.7×) |
| Favorites | 534.6K | 18.6K | 516K (28.7×) |
| Rating | 77.7% | 89.6% | — |
| Global rank (players) | #681 | #1,823 | of 8,016 |
| Trending score | 68.1 | -122.2 | — |
| Created | Oct 21, 2020 | Jul 6, 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, 12 for Build a Dinosaur.