Live Steam player count comparison, updated every 10 minutes. Both are Action games.
ULTRAKILL is currently the more played game: 2,603 concurrent players on Steam right now vs 2,296 for Batman™: Arkham Knight — a similar number of players. ULTRAKILL also has the better Steam reviews: 97% positive vs 90%. Across all tracked metrics, ULTRAKILL leads 9 of 9.
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 | ULTRAKILL |
|---|---|---|
| Players right now | 2,296 | 2,603 |
| 24-hour peak | 2,960 | 4,016 |
| 7-day average | 2,162 | 2,744 |
| 30-day average | 2,162 | 2,754 |
| 30-day trend | — | — |
| Peak (tracked) | 2,960 | 4,016 |
| Steam reviews | 90% positive | 97% positive |
| Recent reviews (3 mo) | 95% positive | 97% positive |
| Total reviews | 157,783 | 237,278 |
| Owners (SteamSpy est.) | ~2,000,000 | ~5,000,000 |
| Release date | Jun 23, 2015 | Sep 3, 2020 |
| Price | $19.99 | $29.99 |
Full stats: Batman™: Arkham Knight · ULTRAKILL · add more games to this comparison →
| Month | Batman™: Arkham Knight | ULTRAKILL | ||
|---|---|---|---|---|
| Avg | Peak | Avg | Peak | |
| Apr 2026 | 1,690 | 2,216 | — | — |
| Jun 2026 | — | — | 3,660 | 3,768 |
| Jul 2026 (so far) | 2,174 | 2,960 | 2,862 | 4,016 |
Monthly average and peak concurrent players on Steam, from Coilr's own tracking (10-minute polls, hourly beyond 30 days).
ULTRAKILL currently has more players: 2,603 concurrent players on Steam vs 2,296 for Batman™: Arkham Knight — a similar number of players.
Over the last 30 days Batman™: Arkham Knight averaged 2,162 concurrent players and ULTRAKILL averaged 2,754. By that measure ULTRAKILL is currently the bigger game.
By Steam review score, ULTRAKILL rates higher: 97% positive across 237,278 reviews vs 90% across 157,783 for Batman™: Arkham Knight. ULTRAKILL has the larger player base right now (2,603 vs 2,296 concurrent). Player counts, ratings, price and trend are compared side by side above.