Live Steam player count comparison, updated every 10 minutes. Both are Action games.
Call of Duty®: Black Ops III is currently the more played game: 3,493 concurrent players on Steam right now vs 2,583 for ULTRAKILL — about 35% more players. ULTRAKILL counters with better Steam reviews: 97% positive vs 85%. Across all tracked metrics, Call of Duty®: Black Ops III leads 5 of 8.
Coilr tracks charts like this for every game — and playtime history for your own library.
Tracked by Coilr since June 2026 · Steam polled every 10 minutes · methodology
| Metric | Call of Duty®: Black Ops III | ULTRAKILL |
|---|---|---|
| Players right now | 3,493 | 2,583 |
| 24-hour peak | 9,697 | 3,880 |
| 7-day average | 6,665 | 2,755 |
| 30-day average | 6,655 | 2,760 |
| 30-day trend | — | — |
| Peak (tracked) | 10,520 | 4,090 |
| Steam reviews | 85% positive | 97% positive |
| Recent reviews (3 mo) | 93% positive | 97% positive |
| Total reviews | 231,152 | 237,278 |
| Owners (SteamSpy est.) | ~5,000,000 | ~5,000,000 |
| Release date | Nov 5, 2015 | Sep 3, 2020 |
| Price | $59.99 | $29.99 |
Full stats: Call of Duty®: Black Ops III · ULTRAKILL · add more games to this comparison →
| Month | Call of Duty®: Black Ops III | ULTRAKILL | ||
|---|---|---|---|---|
| Avg | Peak | Avg | Peak | |
| Jun 2026 | 3,802 | 5,139 | 3,660 | 3,768 |
| Jul 2026 (so far) | 6,653 | 10,520 | 2,805 | 4,090 |
Monthly average and peak concurrent players on Steam, from Coilr's own tracking (10-minute polls, hourly beyond 30 days).
Call of Duty®: Black Ops III currently has more players: 3,493 concurrent players on Steam vs 2,583 for ULTRAKILL — about 35% more players.
Over the last 30 days Call of Duty®: Black Ops III averaged 6,655 concurrent players and ULTRAKILL averaged 2,760. By that measure Call of Duty®: Black Ops III is currently the bigger game.
By Steam review score, ULTRAKILL rates higher: 97% positive across 237,278 reviews vs 85% across 231,152 for Call of Duty®: Black Ops III. Call of Duty®: Black Ops III has the larger player base right now (3,493 vs 2,583 concurrent). Player counts, ratings, price and trend are compared side by side above.