Mermaid Testing vs Shepherd Simulator

Mermaid Testing currently leads with 3,460 concurrent players against 2,130, a 1.6× advantage. On all-time peak the record belongs to Mermaid Testing at 3,842 concurrent players, versus 3,146. Momentum favours Shepherd Simulator: +56.6% week over week versus +18.3% for Mermaid Testing. Lifetime, Mermaid Testing has more visits (681.4M vs 22.1M). Full side-by-side history for Mermaid Testing and Shepherd Simulator is charted above.

Mermaid Testing 🥭
3,460
playing now
3,842 24h peak · 681.4M visits
VS
🐑 Shepherd Simulator
2,130
playing now
2,526 24h peak · 22.1M visits

Player count history

Mermaid TestingShepherd Simulator

Head to head

Metric Mermaid Testing Shepherd SimulatorDifference
Playing now3,4602,1301,330 (1.6×)
24h peak3,8422,5261,316 (1.5×)
24h average3,0511,9811,070 (1.5×)
7-day peak3,8423,106736
7-day average2,1221,933189
30-day peak3,8423,106736
All-time peak3,8423,146696
24h change 32.0% 1.9%
7d change 18.3% 56.6%
Total visits681.4M22.1M659.3M (30.9×)
Visits (24h)411.4K156.2K255.1K (2.6×)
Visits (7d)2.3M1.2M1.1M (1.9×)
Favorites535K99.3K435.6K (5.4×)
Rating77.7%92.8%
Global rank (players)#604#925of 8,283
Trending score150.88.1
CreatedOct 21, 2020Mar 11, 2026
GenreRoleplay & Avatar SimSimulation

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 Shepherd Simulator.