Mermaid Testing vs OVERKILL
Mermaid Testing currently leads with 1,157 concurrent players against 770, a 1.5× advantage. On all-time peak the record belongs to Mermaid Testing at 2,679 concurrent players, versus 2,344. Lifetime, Mermaid Testing has more visits (678.5M vs 24.4M). Full side-by-side history for Mermaid Testing and OVERKILL is charted above.
Mermaid Testing 🥭
1,157
playing now
2,181 24h peak · 678.5M visits
VS
OVERKILL
770
playing now
2,344 24h peak · 24.4M visits
Player count history
Mermaid TestingOVERKILL
Head to head
| Metric | Mermaid Testing | OVERKILL | Difference |
|---|---|---|---|
| Playing now | 1,157 | 770 | 387 (1.5×) |
| 24h peak | 2,181 | 2,344 | 163 |
| 24h average | 1,570 | 864 | 706 (1.8×) |
| 7-day peak | 2,582 | 2,344 | 238 |
| 7-day average | 1,685 | 572 | 1,113 (2.9×) |
| 30-day peak | 2,582 | 2,344 | 238 |
| All-time peak | 2,679 | 2,344 | 335 |
| 24h change | ▲ 3.0% | ▲ 140.7% | — |
| 7d change | — | — | — |
| Total visits | 678.5M | 24.4M | 654.1M (27.8×) |
| Visits (24h) | 262.3K | 239.1K | 23.2K |
| Visits (7d) | 702.9K | 367.3K | 335.6K (1.9×) |
| Favorites | 530.1K | 62.5K | 467.5K (8.5×) |
| Rating | 77.7% | 84.8% | — |
| Global rank (players) | #1,165 | #1,445 | of 4,380 |
| Trending score | -21.5 | 143.9 | — |
| Created | Oct 21, 2020 | Aug 12, 2025 | — |
| Genre | Roleplay & Avatar Sim | Shooter | — |
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 OVERKILL.