Live Steam player count comparison, updated every 10 minutes. Both are Action games.
Killing Floor 2 is currently the more played game: 4,072 concurrent players on Steam right now vs 1,768 for Batman™: Arkham Knight — about 2.3× more players. Batman™: Arkham Knight counters with better Steam reviews: 90% positive vs 88%. Across all tracked metrics, Killing Floor 2 leads 5 of 8.
Coilr tracks charts like this for every game — and playtime history for your own library.
Tracked by Coilr since April 2026 · Steam polled every 10 minutes · methodology
| Metric | Batman™: Arkham Knight | Killing Floor 2 |
|---|---|---|
| Players right now | 1,768 | 4,072 |
| 24-hour peak | 2,960 | 4,685 |
| 7-day average | 2,207 | 3,476 |
| 30-day average | 2,207 | 3,476 |
| 30-day trend | — | — |
| Peak (tracked) | 2,960 | 4,685 |
| Steam reviews | 90% positive | 88% positive |
| Recent reviews (3 mo) | 95% positive | 84% positive |
| Total reviews | 157,783 | 129,108 |
| Owners (SteamSpy est.) | ~2,000,000 | ~2,000,000 |
| Release date | Jun 23, 2015 | Nov 18, 2016 |
| Price | $19.99 | $29.99 |
Full stats: Batman™: Arkham Knight · Killing Floor 2 · add more games to this comparison →
| Month | Batman™: Arkham Knight | Killing Floor 2 | ||
|---|---|---|---|---|
| Avg | Peak | Avg | Peak | |
| Apr 2026 | 1,690 | 2,216 | — | — |
| Jul 2026 (so far) | 2,194 | 2,960 | 3,522 | 4,685 |
Monthly average and peak concurrent players on Steam, from Coilr's own tracking (10-minute polls, hourly beyond 30 days).
Killing Floor 2 currently has more players: 4,072 concurrent players on Steam vs 1,768 for Batman™: Arkham Knight — about 2.3× more players.
Over the last 30 days Batman™: Arkham Knight averaged 2,207 concurrent players and Killing Floor 2 averaged 3,476. By that measure Killing Floor 2 is currently the bigger game.
By Steam review score, Batman™: Arkham Knight rates higher: 90% positive across 157,783 reviews vs 88% across 129,108 for Killing Floor 2. Killing Floor 2 has the larger player base right now (4,072 vs 1,768 concurrent). Player counts, ratings, price and trend are compared side by side above.