Twenty One vs Build Sandbox Simulator
Twenty One currently leads with 603 concurrent players against 546. On all-time peak the record belongs to Twenty One at 833 concurrent players, versus 794. Momentum favours Build Sandbox Simulator: +11.2% week over week versus -7.4% for Twenty One. Lifetime, Twenty One has more visits (91M vs 53.4M). Full side-by-side history for Twenty One and Build Sandbox Simulator is charted above.
♠ Twenty One
603
playing now
680 24h peak · 91M visits
VS
Build Sandbox Simulator
546
playing now
794 24h peak · 53.4M visits
Player count history
Twenty OneBuild Sandbox Simulator
Head to head
| Metric | Twenty One | Build Sandbox Simulator | Difference |
|---|---|---|---|
| Playing now | 603 | 546 | 57 |
| 24h peak | 680 | 794 | 114 |
| 24h average | 516 | 552 | 36 |
| 7-day peak | 794 | 794 | tie |
| 7-day average | 525 | 418 | 107 |
| 30-day peak | 794 | 794 | tie |
| All-time peak | 833 | 794 | 39 |
| 24h change | ▲ 6.8% | ▲ 31.1% | — |
| 7d change | ▼ 7.4% | ▲ 11.2% | — |
| Total visits | 91M | 53.4M | 37.6M (1.7×) |
| Visits (24h) | 60.5K | 51.2K | 9.3K |
| Visits (7d) | 456.1K | 290.6K | 165.5K (1.6×) |
| Favorites | 925.5K | 4.9M | 4M (5.3×) |
| Rating | 93.2% | 96.2% | — |
| Global rank (players) | #2,105 | #2,205 | of 7,787 |
| Trending score | -4.5 | 83.2 | — |
| Created | Feb 20, 2024 | May 20, 2025 | — |
| Genre | Strategy | 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 — 12 days for Twenty One, 12 for Build Sandbox Simulator.