Live Steam player count comparison, updated every 10 minutes. Both are Simulation games.
Oxygen Not Included is currently the more played game: 11,641 concurrent players on Steam right now vs 7,900 for Umamusume: Pretty Derby — about 47% more players. Oxygen Not Included also has the better Steam reviews: 97% positive vs 94%. Across all tracked metrics, Oxygen Not Included leads 7 of 8.
Coilr tracks charts like this for every game — and playtime history for your own library.
Tracked by Coilr since May 2026 · Steam polled every 10 minutes · methodology
| Metric | Oxygen Not Included | Umamusume: Pretty Derby |
|---|---|---|
| Players right now | 11,641 | 7,900 |
| 24-hour peak | 17,869 | 10,364 |
| 7-day average | 11,444 | 7,560 |
| 30-day average | 11,444 | 7,682 |
| 30-day trend | — | +22% |
| Peak (tracked) | 17,869 | 18,864 |
| Steam reviews | 97% positive | 94% positive |
| Recent reviews (3 mo) | 95% positive | 94% positive |
| Total reviews | 142,647 | 58,057 |
| Owners (SteamSpy est.) | ~2,000,000 | — |
| Release date | Jul 30, 2019 | Jun 23, 2025 |
| Price | $24.99 | — |
Full stats: Oxygen Not Included · Umamusume: Pretty Derby · add more games to this comparison →
| Month | Oxygen Not Included | Umamusume: Pretty Derby | ||
|---|---|---|---|---|
| Avg | Peak | Avg | Peak | |
| May 2026 | — | — | 6,717 | 11,038 |
| Jun 2026 | — | — | 6,269 | 10,215 |
| Jul 2026 (so far) | 11,329 | 17,869 | 8,566 | 18,864 |
Monthly average and peak concurrent players on Steam, from Coilr's own tracking (10-minute polls, hourly beyond 30 days).
Oxygen Not Included currently has more players: 11,641 concurrent players on Steam vs 7,900 for Umamusume: Pretty Derby — about 47% more players.
Over the last 30 days Oxygen Not Included averaged 11,444 concurrent players and Umamusume: Pretty Derby averaged 7,682. 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 94% across 58,057 for Umamusume: Pretty Derby. Oxygen Not Included has the larger player base right now (11,641 vs 7,900 concurrent). Player counts, ratings, price and trend are compared side by side above.
Umamusume: Pretty Derby averaged 7,682 concurrent players over the last 30 days, up 22% vs the previous 30 days. Its highest tracked player count is 18,864.