Big Brain Simulator vs Train an NPC to fight! [INFECTION UPDATE]
Train an NPC to fight! [INFECTION UPDATE] currently leads with 261 concurrent players against 109, a 2.4× advantage. On all-time peak the record belongs to Big Brain Simulator at 577 concurrent players, versus 464. Lifetime, Big Brain Simulator has more visits (199.2M vs 3.1M). Full side-by-side history for Big Brain Simulator and Train an NPC to fight! [INFECTION UPDATE] is charted above.
Big Brain SimulatorðŸ§
109
playing now
251 24h peak · 199.2M visits
VS
Train an NPC to fight! [INFECTION UPDATE]
261
playing now
368 24h peak · 3.1M visits
Player count history
Big Brain SimulatorTrain an NPC to fight! [INFECTION UPDATE]
Head to head
| Metric | Big Brain Simulator | Train an NPC to fight! [INFECTION UPDATE] | Difference |
|---|---|---|---|
| Playing now | 109 | 261 | 152 (2.4×) |
| 24h peak | 251 | 368 | 117 |
| 24h average | 154 | 289 | 135 (1.9×) |
| 7-day peak | 552 | 464 | 88 |
| 7-day average | 241 | 337 | 96 |
| 30-day peak | 552 | 464 | 88 |
| All-time peak | 577 | 464 | 113 |
| 24h change | ▼ 50.3% | ▲ 3.2% | — |
| 7d change | — | — | — |
| Total visits | 199.2M | 3.1M | 196.2M (64.7×) |
| Visits (24h) | 19.6K | 16.1K | 3.5K |
| Visits (7d) | 101.3K | 64.7K | 36.6K (1.6×) |
| Favorites | 1.3M | 44.5K | 1.3M (29.4×) |
| Rating | 83.0% | 71.2% | — |
| Global rank (players) | #2,597 | #2,175 | of 4,425 |
| Trending score | -72.4 | -32.8 | — |
| Created | Apr 13, 2020 | Jun 18, 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 Big Brain Simulator, 5 for Train an NPC to fight! [INFECTION UPDATE].