Nightmare Run vs [1M Update] Undertale Multiverse Simulator 1.5
[1M Update] Undertale Multiverse Simulator 1.5 currently leads with 1,150 concurrent players against 712, a 1.6× advantage. On all-time peak the record belongs to [1M Update] Undertale Multiverse Simulator 1.5 at 1,150 concurrent players, versus 1,113. Lifetime, Nightmare Run has more visits (80.4M vs 1M). Full side-by-side history for Nightmare Run and [1M Update] Undertale Multiverse Simulator 1.5 is charted above.
Nightmare Run
712
playing now
1,113 24h peak · 80.4M visits
VS
[1M Update] Undertale Multiverse Simulator 1.5
1,150
playing now
1,144 24h peak · 1M visits
Player count history
Nightmare Run[1M Update] Undertale Multiverse Simulator 1.5
Head to head
| Metric | Nightmare Run | [1M Update] Undertale Multiverse Simulator 1.5 | Difference |
|---|---|---|---|
| Playing now | 712 | 1,150 | 438 (1.6×) |
| 24h peak | 1,113 | 1,144 | 31 |
| 24h average | 833 | 853 | 20 |
| 7-day peak | 1,113 | 1,144 | 31 |
| 7-day average | 712 | 676 | 36 |
| 30-day peak | 1,113 | 1,144 | 31 |
| All-time peak | 1,113 | 1,150 | 37 |
| 24h change | ▲ 8.2% | ▲ 43.8% | — |
| 7d change | — | — | — |
| Total visits | 80.4M | 1M | 79.4M (79.6×) |
| Visits (24h) | 170.3K | 33.8K | 136.5K (5.0×) |
| Visits (7d) | 476.6K | 152.3K | 324.3K (3.1×) |
| Favorites | 255.7K | 3.2K | 252.5K (80.5×) |
| Rating | 73.0% | 90.5% | — |
| Global rank (players) | #1,613 | #1,240 | of 5,402 |
| Trending score | 48.0 | 74.1 | — |
| Created | Dec 29, 2024 | May 22, 2026 | — |
| Genre | Survival | Action | — |
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 — 4 days for Nightmare Run, 6 for [1M Update] Undertale Multiverse Simulator 1.5.