Mahjong Duel vs Undead Defense Tycoon 2
Mahjong Duel currently leads with 451 concurrent players against 430. On all-time peak the record belongs to Mahjong Duel at 659 concurrent players, versus 653. Lifetime, Mahjong Duel has more visits (40.4M vs 54K). Full side-by-side history for Mahjong Duel and Undead Defense Tycoon 2 is charted above.
Mahjong Duel
451
playing now
584 24h peak · 40.4M visits
VS
Undead Defense Tycoon 2
430
playing now
653 24h peak · 54K visits
Player count history
Mahjong DuelUndead Defense Tycoon 2
Head to head
| Metric | Mahjong Duel | Undead Defense Tycoon 2 | Difference |
|---|---|---|---|
| Playing now | 451 | 430 | 21 |
| 24h peak | 584 | 653 | 69 |
| 24h average | 363 | 443 | 80 |
| 7-day peak | 651 | 653 | 2 |
| 7-day average | 346 | 175 | 171 (2.0×) |
| 30-day peak | 651 | 653 | 2 |
| All-time peak | 659 | 653 | 6 |
| 24h change | ▲ 9.3% | ▲ 129.5% | — |
| 7d change | — | — | — |
| Total visits | 40.4M | 54K | 40.4M (748.5×) |
| Visits (24h) | 63.4K | 24K | 39.4K (2.6×) |
| Visits (7d) | 395.3K | 47.2K | 348K (8.4×) |
| Favorites | 79.7K | 1.4K | 78.3K (56.8×) |
| Rating | 85.5% | 81.9% | — |
| Global rank (players) | #1,986 | #2,146 | of 7,381 |
| Trending score | 11.8 | 355.9 | — |
| Created | Jan 30, 2026 | Apr 15, 2026 | — |
| Genre | Party & Casual | 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 — 7 days for Mahjong Duel, 7 for Undead Defense Tycoon 2.