Live Steam player count comparison, updated every 10 minutes. Both are Simulation games.
Oxygen Not Included is currently the more played game: 6,326 concurrent players on Steam right now vs 4,521 for Planet Zoo — about 40% more players. Oxygen Not Included also has the better Steam reviews: 97% positive vs 91%. Across all tracked metrics, Oxygen Not Included leads 8 of 8.
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Tracked by Coilr since July 2026 · Steam polled every 10 minutes · methodology
| Metric | Oxygen Not Included | Planet Zoo |
|---|---|---|
| Players right now | 6,326 | 4,521 |
| 24-hour peak | 15,672 | 7,625 |
| 7-day average | 11,576 | 6,316 |
| 30-day average | 11,576 | 6,316 |
| 30-day trend | — | — |
| Peak (tracked) | 18,091 | 9,929 |
| Steam reviews | 97% positive | 91% positive |
| Recent reviews (3 mo) | 95% positive | 82% positive |
| Total reviews | 142,647 | 96,595 |
| Owners (SteamSpy est.) | ~2,000,000 | ~2,000,000 |
| Release date | Jul 30, 2019 | Nov 5, 2019 |
| Price | $24.99 | $44.99 |
Full stats: Oxygen Not Included · Planet Zoo · add more games to this comparison →
Oxygen Not Included currently has more players: 6,326 concurrent players on Steam vs 4,521 for Planet Zoo — about 40% more players.
Over the last 30 days Oxygen Not Included averaged 11,576 concurrent players and Planet Zoo averaged 6,316. By that measure Oxygen Not Included is currently the bigger game.
By Steam review score, Oxygen Not Included rates higher: 97% positive across 142,647 reviews vs 91% across 96,595 for Planet Zoo. Oxygen Not Included has the larger player base right now (6,326 vs 4,521 concurrent). Player counts, ratings, price and trend are compared side by side above.