Iron Man Simulator vs 99 Nights Zombie Tower Defense
Iron Man Simulator currently leads with 644 concurrent players against 256, a 2.5× advantage. On all-time peak the record belongs to Iron Man Simulator at 1,019 concurrent players, versus 679. Lifetime, Iron Man Simulator has more visits (112.3M vs 53.4M). Full side-by-side history for Iron Man Simulator and 99 Nights Zombie Tower Defense is charted above.
Iron Man Simulator
644
playing now
1,019 24h peak · 112.3M visits
VS
99 Nights Zombie Tower Defense
256
playing now
660 24h peak · 53.4M visits
Player count history
Iron Man Simulator99 Nights Zombie Tower Defense
Head to head
| Metric | Iron Man Simulator | 99 Nights Zombie Tower Defense | Difference |
|---|---|---|---|
| Playing now | 644 | 256 | 388 (2.5×) |
| 24h peak | 1,019 | 660 | 359 (1.5×) |
| 24h average | 716 | 378 | 338 (1.9×) |
| 7-day peak | 1,019 | 679 | 340 (1.5×) |
| 7-day average | 501 | 433 | 68 |
| 30-day peak | 1,019 | 679 | 340 (1.5×) |
| All-time peak | 1,019 | 679 | 340 (1.5×) |
| 24h change | ▲ 26.7% | ▼ 2.1% | — |
| 7d change | — | — | — |
| Total visits | 112.3M | 53.4M | 58.9M (2.1×) |
| Visits (24h) | 135.5K | 58.3K | 77.2K (2.3×) |
| Visits (7d) | 454.3K | 255.8K | 198.5K (1.8×) |
| Favorites | 742.5K | 3.9M | 3.2M (5.3×) |
| Rating | 88.6% | 91.5% | — |
| Global rank (players) | #1,706 | #2,436 | of 4,743 |
| Trending score | 116.9 | -31.1 | — |
| Created | May 8, 2018 | Sep 7, 2025 | — |
| Genre | Action | Survival | — |
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 Iron Man Simulator, 5 for 99 Nights Zombie Tower Defense.