Zoo Tycoon vs Ro-Bio Injection Experiment
Zoo Tycoon currently leads with 1,631 concurrent players against 768, a 2.1× advantage. On all-time peak the record belongs to Zoo Tycoon at 2,751 concurrent players, versus 965. Momentum favours Zoo Tycoon: +37.2% week over week versus -26.0% for Ro-Bio Injection Experiment. Lifetime, Zoo Tycoon has more visits (122.5M vs 60.9M). Full side-by-side history for Zoo Tycoon and Ro-Bio Injection Experiment is charted above.
Zoo Tycoon 🐣
1,631
playing now
2,751 24h peak · 122.5M visits
VS
Ro-Bio Injection Experiment
768
playing now
858 24h peak · 60.9M visits
Player count history
Zoo TycoonRo-Bio Injection Experiment
Head to head
| Metric | Zoo Tycoon | Ro-Bio Injection Experiment | Difference |
|---|---|---|---|
| Playing now | 1,631 | 768 | 863 (2.1×) |
| 24h peak | 2,751 | 858 | 1,893 (3.2×) |
| 24h average | 1,924 | 618 | 1,306 (3.1×) |
| 7-day peak | 2,751 | 858 | 1,893 (3.2×) |
| 7-day average | 1,491 | 493 | 998 (3.0×) |
| 30-day peak | 2,751 | 858 | 1,893 (3.2×) |
| All-time peak | 2,751 | 965 | 1,786 (2.9×) |
| 24h change | ▲ 17.2% | ▲ 42.4% | — |
| 7d change | ▲ 37.2% | ▼ 26.0% | — |
| Total visits | 122.5M | 60.9M | 61.6M (2.0×) |
| Visits (24h) | 169.2K | 74.7K | 94.5K (2.3×) |
| Visits (7d) | 929.7K | 476.3K | 453.4K (2.0×) |
| Favorites | 403.7K | 125.9K | 277.8K (3.2×) |
| Rating | 84.0% | 94.7% | — |
| Global rank (players) | #1,033 | #1,680 | of 8,283 |
| Trending score | 93.9 | 67.5 | — |
| Created | Oct 24, 2017 | Oct 25, 2024 | — |
| Genre | Simulation | 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 — 13 days for Zoo Tycoon, 9 for Ro-Bio Injection Experiment.