Live Steam player count comparison, updated every 10 minutes. Both are Action games.
ULTRAKILL is currently the more played game: 3,547 concurrent players on Steam right now vs 2,390 for Half-Life 2 — about 48% more players. Across all tracked metrics, ULTRAKILL 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 | Half-Life 2 | ULTRAKILL |
|---|---|---|
| Players right now | 2,390 | 3,547 |
| 24-hour peak | 2,431 | 4,016 |
| 7-day average | 1,682 | 2,776 |
| 30-day average | 1,689 | 2,785 |
| 30-day trend | +27% | — |
| Peak (tracked) | 2,950 | 4,016 |
| Steam reviews | 98% positive | 97% positive |
| Recent reviews (3 mo) | 97% positive | 97% positive |
| Total reviews | 276,089 | 237,278 |
| Owners (SteamSpy est.) | ~10,000,000 | ~5,000,000 |
| Release date | Nov 15, 2004 | Sep 3, 2020 |
| Price | $9.99 | $29.99 |
Full stats: Half-Life 2 · ULTRAKILL · add more games to this comparison →
| Month | Half-Life 2 | ULTRAKILL | ||
|---|---|---|---|---|
| Avg | Peak | Avg | Peak | |
| Apr 2026 | 1,081 | 1,352 | — | — |
| May 2026 | 1,168 | 1,882 | — | — |
| Jun 2026 | 1,425 | 2,701 | 3,660 | 3,768 |
| Jul 2026 (so far) | 1,799 | 2,950 | 2,903 | 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: 3,547 concurrent players on Steam vs 2,390 for Half-Life 2 — about 48% more players.
Over the last 30 days Half-Life 2 averaged 1,689 concurrent players and ULTRAKILL averaged 2,785. By that measure ULTRAKILL is currently the bigger game.
By Steam review score, Half-Life 2 rates higher: 98% positive across 276,089 reviews vs 97% across 237,278 for ULTRAKILL. ULTRAKILL has the larger player base right now (3,547 vs 2,390 concurrent). Player counts, ratings, price and trend are compared side by side above.
Half-Life 2 averaged 1,689 concurrent players over the last 30 days, up 27% vs the previous 30 days. Its highest tracked player count is 2,950.