Collect All Pets! vs Merge a Black Hole
Collect All Pets! currently leads with 3,044 concurrent players against 2,017, a 1.5× advantage. On all-time peak the record belongs to Collect All Pets! at 3,316 concurrent players, versus 2,662. Lifetime, Collect All Pets! has more visits (208.1M vs 12.6M). Full side-by-side history for Collect All Pets! and Merge a Black Hole is charted above.
Collect All Pets!
3,044
playing now
3,278 24h peak · 208.1M visits
VS
Merge a Black Hole
2,017
playing now
2,270 24h peak · 12.6M visits
Player count history
Collect All Pets!Merge a Black Hole
Head to head
| Metric | Collect All Pets! | Merge a Black Hole | Difference |
|---|---|---|---|
| Playing now | 3,044 | 2,017 | 1,027 (1.5×) |
| 24h peak | 3,278 | 2,270 | 1,008 |
| 24h average | 3,103 | 1,769 | 1,334 (1.8×) |
| 7-day peak | 3,307 | 2,662 | 645 |
| 7-day average | 3,051 | 1,615 | 1,436 (1.9×) |
| 30-day peak | 3,307 | 2,662 | 645 |
| All-time peak | 3,316 | 2,662 | 654 |
| 24h change | ▲ 4.0% | ▲ 50.4% | — |
| 7d change | — | — | — |
| Total visits | 208.1M | 12.6M | 195.5M (16.5×) |
| Visits (24h) | 42.5K | 148.4K | 105.9K (3.5×) |
| Visits (7d) | 148.7K | 528.6K | 379.8K (3.6×) |
| Favorites | 325.4K | 40.6K | 284.8K (8.0×) |
| Rating | 92.7% | 94.7% | — |
| Global rank (players) | #562 | #797 | of 4,380 |
| Trending score | 5.9 | 30.5 | — |
| Created | Feb 20, 2022 | Jun 11, 2026 | — |
| Genre | Simulation | Simulation | — |
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 — 5 days for Collect All Pets!, 5 for Merge a Black Hole.