Mail Simulator vs Hold the Door: Zombie Defense
Hold the Door: Zombie Defense currently leads with 1,190 concurrent players against 940. On all-time peak the record belongs to Mail Simulator at 2,570 concurrent players, versus 1,673. Momentum favours Hold the Door: Zombie Defense: +9.7% week over week versus -45.9% for Mail Simulator. Lifetime, Hold the Door: Zombie Defense has more visits (15.4M vs 1.5M). Full side-by-side history for Mail Simulator and Hold the Door: Zombie Defense is charted above.
Mail Simulator
940
playing now
972 24h peak · 1.5M visits
VS
[☀️]Hold the Door: Zombie Defense
1,190
playing now
1,355 24h peak · 15.4M visits
Player count history
Mail SimulatorHold the Door: Zombie Defense
Head to head
| Metric | Mail Simulator | Hold the Door: Zombie Defense | Difference |
|---|---|---|---|
| Playing now | 940 | 1,190 | 250 |
| 24h peak | 972 | 1,355 | 383 |
| 24h average | 747 | 1,177 | 430 (1.6×) |
| 7-day peak | 1,612 | 1,631 | 19 |
| 7-day average | 893 | 1,118 | 225 |
| 30-day peak | 2,570 | 1,631 | 939 (1.6×) |
| All-time peak | 2,570 | 1,673 | 897 (1.5×) |
| 24h change | ▲ 30.1% | ▲ 21.2% | — |
| 7d change | ▼ 45.9% | ▲ 9.7% | — |
| Total visits | 1.5M | 15.4M | 13.9M (10.3×) |
| Visits (24h) | 49.8K | 174.5K | 124.7K (3.5×) |
| Visits (7d) | 427.1K | 1.2M | 764.4K (2.8×) |
| Favorites | 28.7K | 108.8K | 80.1K (3.8×) |
| Rating | 77.2% | 84.2% | — |
| Global rank (players) | #1,614 | #1,381 | of 7,786 |
| Trending score | -45.8 | 15.9 | — |
| Created | Jul 12, 2026 | Mar 18, 2026 | — |
| Genre | Simulation | Strategy | — |
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 Mail Simulator, 12 for Hold the Door: Zombie Defense.