Mermaid Testing vs [X3] Inside Brainrot Heads
Mermaid Testing currently leads with 1,748 concurrent players against 1,113, a 1.6Γ advantage. On all-time peak the record belongs to Mermaid Testing at 2,679 concurrent players, versus 2,524. Lifetime, Mermaid Testing has more visits (678.5M vs 47.5M). Full side-by-side history for Mermaid Testing and [X3] Inside Brainrot Heads is charted above.
Mermaid Testing π₯
1,748
playing now
2,181 24h peak Β· 678.5M visits
VS
[X3] Inside Brainrot Heads
1,113
playing now
2,524 24h peak Β· 47.5M visits
Player count history
Mermaid Testing[X3] Inside Brainrot Heads
Head to head
| Metric | Mermaid Testing | [X3] Inside Brainrot Heads | Difference |
|---|---|---|---|
| Playing now | 1,748 | 1,113 | 635 (1.6Γ) |
| 24h peak | 2,181 | 2,524 | 343 |
| 24h average | 1,674 | 1,469 | 205 |
| 7-day peak | 2,582 | 2,524 | 58 |
| 7-day average | 1,722 | 1,594 | 128 |
| 30-day peak | 2,582 | 2,524 | 58 |
| All-time peak | 2,679 | 2,524 | 155 |
| 24h change | β² 4.8% | βΌ 14.9% | β |
| 7d change | β | β | β |
| Total visits | 678.5M | 47.5M | 630.9M (14.3Γ) |
| Visits (24h) | 242.2K | 198.6K | 43.6K |
| Visits (7d) | 632.3K | 465.8K | 166.5K |
| Favorites | 529.9K | 52.5K | 477.5K (10.1Γ) |
| Rating | 77.7% | 95.0% | β |
| Global rank (players) | #849 | #1,182 | of 4,278 |
| Trending score | -8.9 | -24.5 | β |
| Created | Oct 21, 2020 | Mar 28, 2026 | β |
| Genre | Roleplay & Avatar Sim | Simulation | β |
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 β 3 days for Mermaid Testing, 3 for [X3] Inside Brainrot Heads.