Pet Simulator X! vs [UPD 2] Merge Defense
[UPD 2] Merge Defense currently leads with 1,554 concurrent players against 678, a 2.3× advantage. On all-time peak the record belongs to [UPD 2] Merge Defense at 3,045 concurrent players, versus 1,413. Lifetime, Pet Simulator X! has more visits (9B vs 494.1K). Full side-by-side history for Pet Simulator X! and [UPD 2] Merge Defense is charted above.
Pet Simulator X! 🐾
678
playing now
1,293 24h peak · 9B visits
VS
[🔥UPD 2] Merge Defense
1,554
playing now
3,045 24h peak · 494.1K visits
Player count history
Pet Simulator X![UPD 2] Merge Defense
Head to head
| Metric | Pet Simulator X! | [UPD 2] Merge Defense | Difference |
|---|---|---|---|
| Playing now | 678 | 1,554 | 876 (2.3×) |
| 24h peak | 1,293 | 3,045 | 1,752 (2.4×) |
| 24h average | 889 | 1,890 | 1,001 (2.1×) |
| 7-day peak | 1,389 | 3,045 | 1,656 (2.2×) |
| 7-day average | 959 | 1,071 | 112 |
| 30-day peak | 1,389 | 3,045 | 1,656 (2.2×) |
| All-time peak | 1,413 | 3,045 | 1,632 (2.2×) |
| 24h change | ▼ 4.6% | ▲ 89.8% | — |
| 7d change | ▲ 9.4% | — | — |
| Total visits | 9B | 494.1K | 9B (18191.3×) |
| Visits (24h) | 90.2K | 151.8K | 61.6K (1.7×) |
| Visits (7d) | 660.8K | 356.4K | 304.4K (1.9×) |
| Favorites | 6M | 28.1K | 5.9M (212.5×) |
| Rating | 91.4% | 96.3% | — |
| Global rank (players) | #1,871 | #1,043 | of 7,866 |
| Trending score | -21.0 | 245.0 | — |
| Created | Jan 22, 2021 | Jun 21, 2026 | — |
| Genre | Simulation | 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 Pet Simulator X!, 6 for [UPD 2] Merge Defense.