Live Steam player count comparison, updated every 10 minutes. Both are Simulation games.
Oxygen Not Included is currently the more played game: 10,248 concurrent players on Steam right now vs 9,149 for Cities: Skylines II — a similar number of players. Oxygen Not Included also has the better Steam reviews: 97% positive vs 55%. Across all tracked metrics, Oxygen Not Included leads 8 of 8.
Coilr tracks charts like this for every game — and playtime history for your own library.
Tracked by Coilr since July 2026 · Steam polled every 10 minutes · methodology
| Metric | Cities: Skylines II | Oxygen Not Included |
|---|---|---|
| Players right now | 9,149 | 10,248 |
| 24-hour peak | 14,925 | 17,869 |
| 7-day average | 10,521 | 11,455 |
| 30-day average | 10,521 | 11,455 |
| 30-day trend | — | — |
| Peak (tracked) | 14,925 | 17,869 |
| Steam reviews | 55% positive | 97% positive |
| Recent reviews (3 mo) | 73% positive | 95% positive |
| Total reviews | 90,531 | 142,647 |
| Owners (SteamSpy est.) | ~2,000,000 | ~2,000,000 |
| Release date | Oct 24, 2023 | Jul 30, 2019 |
| Price | $49.99 | $24.99 |
Full stats: Cities: Skylines II · Oxygen Not Included · add more games to this comparison →
Oxygen Not Included currently has more players: 10,248 concurrent players on Steam vs 9,149 for Cities: Skylines II — a similar number of players.
Over the last 30 days Cities: Skylines II averaged 10,521 concurrent players and Oxygen Not Included averaged 11,455. 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 55% across 90,531 for Cities: Skylines II. Oxygen Not Included has the larger player base right now (10,248 vs 9,149 concurrent). Player counts, ratings, price and trend are compared side by side above.