Live Steam player count comparison, updated every 10 minutes. Both are Action games.
Counter-Strike: Source is currently the more played game: 2,810 concurrent players on Steam right now vs 2,603 for ULTRAKILL — a similar number of players. Across all tracked metrics, ULTRAKILL leads 5 of 9.
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 | Counter-Strike: Source | ULTRAKILL |
|---|---|---|
| Players right now | 2,810 | 2,603 |
| 24-hour peak | 3,871 | 4,016 |
| 7-day average | 2,424 | 2,744 |
| 30-day average | 10,475 | 2,754 |
| 30-day trend | −48% | — |
| Peak (tracked) | 37,913 | 4,016 |
| Steam reviews | 96% positive | 97% positive |
| Recent reviews (3 mo) | 96% positive | 97% positive |
| Total reviews | 192,320 | 237,278 |
| Owners (SteamSpy est.) | ~10,000,000 | ~5,000,000 |
| Release date | Oct 31, 2004 | Sep 3, 2020 |
| Price | $9.99 | $29.99 |
Full stats: Counter-Strike: Source · ULTRAKILL · add more games to this comparison →
| Month | Counter-Strike: Source | ULTRAKILL | ||
|---|---|---|---|---|
| Avg | Peak | Avg | Peak | |
| May 2026 | 31,766 | 32,622 | — | — |
| Jun 2026 | 16,881 | 37,913 | 3,660 | 3,768 |
| Jul 2026 (so far) | 8,025 | 27,858 | 2,862 | 4,016 |
Monthly average and peak concurrent players on Steam, from Coilr's own tracking (10-minute polls, hourly beyond 30 days).
Counter-Strike: Source currently has more players: 2,810 concurrent players on Steam vs 2,603 for ULTRAKILL — a similar number of players.
Over the last 30 days Counter-Strike: Source averaged 10,475 concurrent players and ULTRAKILL averaged 2,754. By that measure Counter-Strike: Source is currently the bigger game.
By Steam review score, ULTRAKILL rates higher: 97% positive across 237,278 reviews vs 96% across 192,320 for Counter-Strike: Source. Counter-Strike: Source has the larger player base right now (2,810 vs 2,603 concurrent). Player counts, ratings, price and trend are compared side by side above.
Counter-Strike: Source averaged 10,475 concurrent players over the last 30 days, down 48% vs the previous 30 days. Its highest tracked player count is 37,913.