Big Brain Simulator vs [CHAIRS] Last Letter
[CHAIRS] Last Letter currently leads with 845 concurrent players against 127, a 6.7× advantage. On all-time peak the record belongs to [CHAIRS] Last Letter at 1,197 concurrent players, versus 577. Lifetime, Big Brain Simulator has more visits (199.2M vs 132.2M). Full side-by-side history for Big Brain Simulator and [CHAIRS] Last Letter is charted above.
Big Brain Simulator🧠
127
playing now
251 24h peak · 199.2M visits
VS
[CHAIRS] Last Letter 💬
845
playing now
1,006 24h peak · 132.2M visits
Player count history
Big Brain Simulator[CHAIRS] Last Letter
Head to head
| Metric | Big Brain Simulator | [CHAIRS] Last Letter | Difference |
|---|---|---|---|
| Playing now | 127 | 845 | 718 (6.7×) |
| 24h peak | 251 | 1,006 | 755 (4.0×) |
| 24h average | 153 | 821 | 668 (5.4×) |
| 7-day peak | 552 | 1,197 | 645 (2.2×) |
| 7-day average | 241 | 870 | 629 (3.6×) |
| 30-day peak | 552 | 1,197 | 645 (2.2×) |
| All-time peak | 577 | 1,197 | 620 (2.1×) |
| 24h change | ▼ 49.5% | ▲ 7.2% | — |
| 7d change | — | — | — |
| Total visits | 199.2M | 132.2M | 67M (1.5×) |
| Visits (24h) | 20.2K | 96.5K | 76.2K (4.8×) |
| Visits (7d) | 101.1K | 356.7K | 255.6K (3.5×) |
| Favorites | 1.3M | 230.3K | 1.1M (5.7×) |
| Rating | 83.0% | 96.1% | — |
| Global rank (players) | #2,630 | #1,340 | of 4,425 |
| Trending score | -73.2 | -16.0 | — |
| Created | Apr 13, 2020 | Jun 23, 2025 | — |
| Genre | Simulation | Puzzle | — |
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 [CHAIRS] Last Letter.