Live Steam player count comparison, updated every 10 minutes. Both are Indie games.
Oxygen Not Included is currently the more played game: 6,153 concurrent players on Steam right now vs 4,718 for Slay the Spire — about 30% more players. Across all tracked metrics, Oxygen Not Included leads 5 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 | Slay the Spire |
|---|---|---|
| Players right now | 6,153 | 4,718 |
| 24-hour peak | 15,672 | 9,990 |
| 7-day average | 11,433 | 7,131 |
| 30-day average | 11,433 | 8,161 |
| 30-day trend | — | −8% |
| Peak (tracked) | 18,091 | 15,650 |
| Steam reviews | 97% positive | 97% positive |
| Recent reviews (3 mo) | 95% positive | 95% positive |
| Total reviews | 142,647 | 216,340 |
| Owners (SteamSpy est.) | ~2,000,000 | ~5,000,000 |
| Release date | Jul 30, 2019 | Jan 22, 2019 |
| Price | $24.99 | $24.99 |
Full stats: Oxygen Not Included · Slay the Spire · add more games to this comparison →
| Month | Oxygen Not Included | Slay the Spire | ||
|---|---|---|---|---|
| Avg | Peak | Avg | Peak | |
| May 2026 | — | — | 9,434 | 15,650 |
| Jun 2026 | — | — | 8,816 | 15,610 |
| Jul 2026 (so far) | 11,237 | 18,091 | 7,824 | 13,362 |
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: 6,153 concurrent players on Steam vs 4,718 for Slay the Spire — about 30% more players.
Over the last 30 days Oxygen Not Included averaged 11,433 concurrent players and Slay the Spire averaged 8,161. By that measure Oxygen Not Included is currently the bigger game.
By Steam review score, Slay the Spire rates higher: 97% positive across 216,340 reviews vs 97% across 142,647 for Oxygen Not Included. Oxygen Not Included has the larger player base right now (6,153 vs 4,718 concurrent). Player counts, ratings, price and trend are compared side by side above.
Slay the Spire averaged 8,161 concurrent players over the last 30 days, down 8% vs the previous 30 days. Its highest tracked player count is 15,650.