Big Brain Simulator vs [UNDERGLOW] Fix It Up!
[UNDERGLOW] Fix It Up! currently leads with 3,661 concurrent players against 120, a 30.5× advantage. On all-time peak the record belongs to [UNDERGLOW] Fix It Up! at 3,730 concurrent players, versus 577. Lifetime, Big Brain Simulator has more visits (199.2M vs 134.9M). Full side-by-side history for Big Brain Simulator and [UNDERGLOW] Fix It Up! is charted above.
Big Brain SimulatorðŸ§
120
playing now
204 24h peak · 199.2M visits
VS
[UNDERGLOW] Fix It Up!
3,661
playing now
3,730 24h peak · 134.9M visits
Player count history
Big Brain Simulator[UNDERGLOW] Fix It Up!
Head to head
| Metric | Big Brain Simulator | [UNDERGLOW] Fix It Up! | Difference |
|---|---|---|---|
| Playing now | 120 | 3,661 | 3,541 (30.5×) |
| 24h peak | 204 | 3,730 | 3,526 (18.3×) |
| 24h average | 145 | 2,868 | 2,723 (19.8×) |
| 7-day peak | 552 | 3,730 | 3,178 (6.8×) |
| 7-day average | 236 | 2,350 | 2,114 (10.0×) |
| 30-day peak | 552 | 3,730 | 3,178 (6.8×) |
| All-time peak | 577 | 3,730 | 3,153 (6.5×) |
| 24h change | ▼ 23.3% | ▲ 28.1% | — |
| 7d change | — | — | — |
| Total visits | 199.2M | 134.9M | 64.3M |
| Visits (24h) | 17.5K | 188.2K | 170.7K (10.7×) |
| Visits (7d) | 111.7K | 672.7K | 561K (6.0×) |
| Favorites | 1.3M | 328K | 980.9K (4.0×) |
| Rating | 83.0% | 85.3% | — |
| Global rank (players) | #2,966 | #513 | of 4,743 |
| Trending score | -76.4 | 75.4 | — |
| Created | Apr 13, 2020 | May 10, 2025 | — |
| Genre | Simulation | Simulation | — |
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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 — 5 days for Big Brain Simulator, 5 for [UNDERGLOW] Fix It Up!.