Project Delta vs Mysterious Killers
Mysterious Killers currently leads with 1,655 concurrent players against 1,619. On all-time peak the record belongs to Project Delta at 3,019 concurrent players, versus 2,994. Lifetime, Project Delta has more visits (145.3M vs 822.9K). Full side-by-side history for Project Delta and Mysterious Killers is charted above.
Project Delta
1,619
playing now
2,848 24h peak · 145.3M visits
VS
Mysterious Killers 🔪
1,655
playing now
2,994 24h peak · 822.9K visits
Player count history
Project DeltaMysterious Killers
Head to head
| Metric | Project Delta | Mysterious Killers | Difference |
|---|---|---|---|
| Playing now | 1,619 | 1,655 | 36 |
| 24h peak | 2,848 | 2,994 | 146 |
| 24h average | 1,955 | 1,611 | 344 |
| 7-day peak | 3,015 | 2,994 | 21 |
| 7-day average | 2,113 | 1,430 | 683 |
| 30-day peak | 3,015 | 2,994 | 21 |
| All-time peak | 3,019 | 2,994 | 25 |
| 24h change | ▼ 11.5% | ▲ 51.7% | — |
| 7d change | ▼ 20.8% | — | — |
| Total visits | 145.3M | 822.9K | 144.5M (176.6×) |
| Visits (24h) | 224.1K | 241.6K | 17.6K |
| Visits (7d) | 1.4M | 387.5K | 1M (3.7×) |
| Favorites | 427.6K | 32.4K | 395.2K (13.2×) |
| Rating | 77.6% | 74.2% | — |
| Global rank (players) | #790 | #773 | of 6,497 |
| Trending score | -24.3 | 39.9 | — |
| Created | Aug 26, 2021 | Jul 29, 2026 | — |
| Genre | Survival | Survival | — |
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 — 9 days for Project Delta, 3 for Mysterious Killers.