Secret Killer vs Retro Tower Defense
Secret Killer currently leads with 2,442 concurrent players against 1,295, a 1.9× advantage. On all-time peak the record belongs to Secret Killer at 3,236 concurrent players, versus 1,932. Lifetime, Secret Killer has more visits (236.5M vs 119.5M). Full side-by-side history for Secret Killer and Retro Tower Defense is charted above.
Secret Killer
2,442
playing now
3,236 24h peak · 236.5M visits
VS
Retro Tower Defense
1,295
playing now
1,918 24h peak · 119.5M visits
Player count history
Secret KillerRetro Tower Defense
Head to head
| Metric | Secret Killer | Retro Tower Defense | Difference |
|---|---|---|---|
| Playing now | 2,442 | 1,295 | 1,147 (1.9×) |
| 24h peak | 3,236 | 1,918 | 1,318 (1.7×) |
| 24h average | 2,658 | 1,524 | 1,134 (1.7×) |
| 7-day peak | 3,236 | 1,918 | 1,318 (1.7×) |
| 7-day average | 2,206 | 1,384 | 822 (1.6×) |
| 30-day peak | 3,236 | 1,918 | 1,318 (1.7×) |
| All-time peak | 3,236 | 1,932 | 1,304 (1.7×) |
| 24h change | ▲ 4.0% | ▲ 5.3% | — |
| 7d change | — | — | — |
| Total visits | 236.5M | 119.5M | 117M (2.0×) |
| Visits (24h) | 297.8K | 200K | 97.7K |
| Visits (7d) | 871.6K | 805.1K | 66.5K |
| Favorites | 483.3K | 120.8K | 362.5K (4.0×) |
| Rating | 91.9% | 92.2% | — |
| Global rank (players) | #679 | #1,117 | of 4,743 |
| Trending score | 69.4 | 31.6 | — |
| Created | Jan 19, 2024 | May 20, 2025 | — |
| Genre | Survival | 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 — 4 days for Secret Killer, 5 for Retro Tower Defense.