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: 10,222 concurrent players on Steam right now vs 3,805 for Killing Floor 2 — about 3× more players. Killing Floor 2 counters with better Steam reviews: 88% positive vs 85%. Across all tracked metrics, Call of Duty®: Black Ops III leads 8 of 9.
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 | Killing Floor 2 |
|---|---|---|
| Players right now | 10,222 | 3,805 |
| 24-hour peak | 10,520 | 4,638 |
| 7-day average | 7,333 | 3,470 |
| 30-day average | 7,304 | 3,470 |
| 30-day trend | — | — |
| Peak (tracked) | 10,520 | 4,685 |
| Steam reviews | 85% positive | 88% positive |
| Recent reviews (3 mo) | 93% positive | 84% positive |
| Total reviews | 231,152 | 129,108 |
| Owners (SteamSpy est.) | ~5,000,000 | ~2,000,000 |
| Release date | Nov 5, 2015 | Nov 18, 2016 |
| Price | $59.99 | $29.99 |
Full stats: Call of Duty®: Black Ops III · Killing Floor 2 · add more games to this comparison →
| Month | Call of Duty®: Black Ops III | Killing Floor 2 | ||
|---|---|---|---|---|
| Avg | Peak | Avg | Peak | |
| Jun 2026 | 3,802 | 5,139 | — | — |
| Jul 2026 (so far) | 7,338 | 10,520 | 3,477 | 4,685 |
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: 10,222 concurrent players on Steam vs 3,805 for Killing Floor 2 — about 3× more players.
Over the last 30 days Call of Duty®: Black Ops III averaged 7,304 concurrent players and Killing Floor 2 averaged 3,470. By that measure Call of Duty®: Black Ops III is currently the bigger game.
By Steam review score, Killing Floor 2 rates higher: 88% positive across 129,108 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 (10,222 vs 3,805 concurrent). Player counts, ratings, price and trend are compared side by side above.