[]Hold the Door: Zombie Defense vs ULTRAS ONLINE
[]Hold the Door: Zombie Defense currently leads with 1,300 concurrent players against 957. On all-time peak the record belongs to ULTRAS ONLINE at 1,710 concurrent players, versus 1,585. Lifetime, []Hold the Door: Zombie Defense has more visits (14.2M vs 2.1M). Full side-by-side history for []Hold the Door: Zombie Defense and ULTRAS ONLINE is charted above.
[☀️]Hold the Door: Zombie Defense
1,300
playing now
1,527 24h peak · 14.2M visits
VS
ULTRAS ONLINE ⚽🚩
957
playing now
1,459 24h peak · 2.1M visits
Player count history
[]Hold the Door: Zombie DefenseULTRAS ONLINE
Head to head
| Metric | []Hold the Door: Zombie Defense | ULTRAS ONLINE | Difference |
|---|---|---|---|
| Playing now | 1,300 | 957 | 343 |
| 24h peak | 1,527 | 1,459 | 68 |
| 24h average | 1,231 | 944 | 287 |
| 7-day peak | 1,535 | 1,710 | 175 |
| 7-day average | 1,043 | 867 | 176 |
| 30-day peak | 1,535 | 1,710 | 175 |
| All-time peak | 1,585 | 1,710 | 125 |
| 24h change | ▲ 4.4% | ▲ 34.3% | — |
| 7d change | — | — | — |
| Total visits | 14.2M | 2.1M | 12.1M (6.7×) |
| Visits (24h) | 180.8K | 112.9K | 67.9K (1.6×) |
| Visits (7d) | 685.6K | 399K | 286.7K (1.7×) |
| Favorites | 101.8K | 83.9K | 17.9K |
| Rating | 83.9% | 79.3% | — |
| Global rank (players) | #1,211 | #1,478 | of 4,743 |
| Trending score | 54.5 | 25.7 | — |
| Created | Mar 18, 2026 | Jun 27, 2026 | — |
| Genre | Strategy | Action | — |
Other comparisons
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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 []Hold the Door: Zombie Defense, 5 for ULTRAS ONLINE.