Big Brain Simulator vs Slaughter Colonies [KILLCARDS]
Big Brain Simulator currently leads with 276 concurrent players against 221. On all-time peak the record belongs to Big Brain Simulator at 577 concurrent players, versus 341. Lifetime, Big Brain Simulator has more visits (199.4M vs 235.9K). Full side-by-side history for Big Brain Simulator and Slaughter Colonies [KILLCARDS] is charted above.
Big Brain Simulator🧠
276
playing now
339 24h peak · 199.4M visits
VS
Slaughter Colonies [KILLCARDS]
221
playing now
341 24h peak · 235.9K visits
Player count history
Big Brain SimulatorSlaughter Colonies [KILLCARDS]
Head to head
| Metric | Big Brain Simulator | Slaughter Colonies [KILLCARDS] | Difference |
|---|---|---|---|
| Playing now | 276 | 221 | 55 |
| 24h peak | 339 | 341 | 2 |
| 24h average | 223 | 206 | 17 |
| 7-day peak | 339 | 341 | 2 |
| 7-day average | 139 | 193 | 54 |
| 30-day peak | 378 | 341 | 37 |
| All-time peak | 577 | 341 | 236 (1.7×) |
| 24h change | ▲ 178.8% | ▲ 19.1% | — |
| 7d change | ▼ 42.6% | — | — |
| Total visits | 199.4M | 235.9K | 199.1M (845.2×) |
| Visits (24h) | 20.9K | 28.1K | 7.2K |
| Visits (7d) | 110.7K | 52.6K | 58K (2.1×) |
| Favorites | 1.3M | 5.2K | 1.3M (254.3×) |
| Rating | 83.0% | 76.3% | — |
| Global rank (players) | #2,827 | #3,211 | of 7,786 |
| Trending score | 121.3 | 13.9 | — |
| Created | Apr 13, 2020 | Mar 15, 2026 | — |
| Genre | Simulation | Action | — |
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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 Big Brain Simulator, 3 for Slaughter Colonies [KILLCARDS].