Mermaid Testing vs Defend Your Base From Scary Worm
Mermaid Testing currently leads with 3,496 concurrent players against 2,350. On all-time peak the record belongs to Defend Your Base From Scary Worm at 3,545 concurrent players, versus 3,501. Momentum favours Defend Your Base From Scary Worm: +58.0% week over week versus +17.3% for Mermaid Testing. Lifetime, Mermaid Testing has more visits (681.3M vs 28.3M). Full side-by-side history for Mermaid Testing and Defend Your Base From Scary Worm is charted above.
Mermaid Testing 🥭
3,496
playing now
3,501 24h peak · 681.3M visits
VS
Defend Your Base From Scary Worm
2,350
playing now
3,503 24h peak · 28.3M visits
Player count history
Mermaid TestingDefend Your Base From Scary Worm
Head to head
| Metric | Mermaid Testing | Defend Your Base From Scary Worm | Difference |
|---|---|---|---|
| Playing now | 3,496 | 2,350 | 1,146 |
| 24h peak | 3,501 | 3,503 | 2 |
| 24h average | 2,784 | 2,311 | 473 |
| 7-day peak | 3,501 | 3,503 | 2 |
| 7-day average | 2,059 | 2,145 | 86 |
| 30-day peak | 3,501 | 3,503 | 2 |
| All-time peak | 3,501 | 3,545 | 44 |
| 24h change | ▲ 29.9% | ▼ 8.8% | — |
| 7d change | ▲ 17.3% | ▲ 58.0% | — |
| Total visits | 681.3M | 28.3M | 653M (24.1×) |
| Visits (24h) | 407K | 517.2K | 110.2K |
| Visits (7d) | 2.2M | 3.6M | 1.3M (1.6×) |
| Favorites | 534.7K | 711.9K | 177.1K |
| Rating | 77.7% | 98.2% | — |
| Global rank (players) | #604 | #848 | of 8,197 |
| Trending score | 119.9 | 25.8 | — |
| Created | Oct 21, 2020 | Feb 28, 2026 | — |
| Genre | Roleplay & Avatar Sim | Strategy | — |
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 Defend Your Base From Scary Worm.