Live Steam player count comparison, updated every 10 minutes. Both are Indie games.
Subnautica is currently the more played game: 3,235 concurrent players on Steam right now vs 2,503 for ULTRAKILL — about 29% more players. Across all tracked metrics, Subnautica leads 7 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 | Subnautica | ULTRAKILL |
|---|---|---|
| Players right now | 3,235 | 2,503 |
| 24-hour peak | 5,203 | 4,016 |
| 7-day average | 4,085 | 2,907 |
| 30-day average | 5,227 | 2,918 |
| 30-day trend | −55% | — |
| Peak (tracked) | 29,704 | 4,016 |
| Steam reviews | 97% positive | 97% positive |
| Recent reviews (3 mo) | 98% positive | 97% positive |
| Total reviews | 376,711 | 237,278 |
| Owners (SteamSpy est.) | ~5,000,000 | ~5,000,000 |
| Release date | Jan 22, 2018 | Sep 3, 2020 |
| Price | $29.99 | $29.99 |
Full stats: Subnautica · ULTRAKILL · add more games to this comparison →
| Month | Subnautica | ULTRAKILL | ||
|---|---|---|---|---|
| Avg | Peak | Avg | Peak | |
| Apr 2026 | 4,322 | 4,322 | — | — |
| May 2026 | 21,879 | 29,704 | — | — |
| Jun 2026 | 8,039 | 19,332 | 3,660 | 3,768 |
| Jul 2026 (so far) | 5,062 | 9,259 | 3,025 | 4,016 |
Monthly average and peak concurrent players on Steam, from Coilr's own tracking (10-minute polls, hourly beyond 30 days).
Subnautica currently has more players: 3,235 concurrent players on Steam vs 2,503 for ULTRAKILL — about 29% more players.
Over the last 30 days Subnautica averaged 5,227 concurrent players and ULTRAKILL averaged 2,918. By that measure Subnautica is currently the bigger game.
By Steam review score, ULTRAKILL rates higher: 97% positive across 237,278 reviews vs 97% across 376,711 for Subnautica. Subnautica has the larger player base right now (3,235 vs 2,503 concurrent). Player counts, ratings, price and trend are compared side by side above.
Subnautica averaged 5,227 concurrent players over the last 30 days, down 55% vs the previous 30 days. Its highest tracked player count is 29,704.