Live Steam player count comparison, updated every 10 minutes. Both are Simulation games.
Cities: Skylines II is currently the more played game: 9,938 concurrent players on Steam right now vs 5,905 for Planet Zoo — about 1.7× more players. Planet Zoo counters with better Steam reviews: 91% positive vs 55%. Across all tracked metrics, Cities: Skylines II leads 5 of 8.
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Tracked by Coilr since July 2026 · Steam polled every 10 minutes · methodology
| Metric | Cities: Skylines II | Planet Zoo |
|---|---|---|
| Players right now | 9,938 | 5,905 |
| 24-hour peak | 15,998 | 9,929 |
| 7-day average | 11,197 | 6,817 |
| 30-day average | 11,197 | 6,817 |
| 30-day trend | — | — |
| Peak (tracked) | 15,998 | 9,929 |
| Steam reviews | 55% positive | 91% positive |
| Recent reviews (3 mo) | 73% positive | 82% positive |
| Total reviews | 90,531 | 96,595 |
| Owners (SteamSpy est.) | ~2,000,000 | ~2,000,000 |
| Release date | Oct 24, 2023 | Nov 5, 2019 |
| Price | $49.99 | $44.99 |
Full stats: Cities: Skylines II · Planet Zoo · add more games to this comparison →
Cities: Skylines II currently has more players: 9,938 concurrent players on Steam vs 5,905 for Planet Zoo — about 1.7× more players.
Over the last 30 days Cities: Skylines II averaged 11,197 concurrent players and Planet Zoo averaged 6,817. By that measure Cities: Skylines II is currently the bigger game.
By Steam review score, Planet Zoo rates higher: 91% positive across 96,595 reviews vs 55% across 90,531 for Cities: Skylines II. Cities: Skylines II has the larger player base right now (9,938 vs 5,905 concurrent). Player counts, ratings, price and trend are compared side by side above.