Live Steam player count comparison, updated every 10 minutes. Both are Action games.
ULTRAKILL is currently the more played game: 2,928 concurrent players on Steam right now vs 1,763 for Portal 2 — about 1.7× more players. Portal 2 counters with better Steam reviews: 99% positive vs 97%. 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 | Portal 2 | ULTRAKILL |
|---|---|---|
| Players right now | 1,763 | 2,928 |
| 24-hour peak | 2,732 | 4,090 |
| 7-day average | 1,845 | 2,899 |
| 30-day average | 2,129 | 2,906 |
| 30-day trend | +50% | — |
| Peak (tracked) | 3,960 | 4,090 |
| Steam reviews | 99% positive | 97% positive |
| Recent reviews (3 mo) | 98% positive | 97% positive |
| Total reviews | 463,359 | 237,278 |
| Owners (SteamSpy est.) | ~5,000,000 | ~5,000,000 |
| Release date | Apr 17, 2011 | Sep 3, 2020 |
| Price | $9.99 | $29.99 |
Full stats: Portal 2 · ULTRAKILL · add more games to this comparison →
| Month | Portal 2 | ULTRAKILL | ||
|---|---|---|---|---|
| Avg | Peak | Avg | Peak | |
| Apr 2026 | 1,328 | 1,743 | — | — |
| May 2026 | 1,329 | 1,986 | — | — |
| Jun 2026 | 1,659 | 3,790 | 3,660 | 3,768 |
| Jul 2026 (so far) | 2,267 | 3,960 | 2,989 | 4,090 |
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: 2,928 concurrent players on Steam vs 1,763 for Portal 2 — about 1.7× more players.
Over the last 30 days Portal 2 averaged 2,129 concurrent players and ULTRAKILL averaged 2,906. By that measure ULTRAKILL is currently the bigger game.
By Steam review score, Portal 2 rates higher: 99% positive across 463,359 reviews vs 97% across 237,278 for ULTRAKILL. ULTRAKILL has the larger player base right now (2,928 vs 1,763 concurrent). Player counts, ratings, price and trend are compared side by side above.
Portal 2 averaged 2,129 concurrent players over the last 30 days, up 50% vs the previous 30 days. Its highest tracked player count is 3,960.