Live Steam player count comparison, updated every 10 minutes. Both are Adventure games.
Assassin’s Creed® IV Black Flag™ is currently the more played game: 1,304 concurrent players on Steam right now vs 970 for Subnautica: Below Zero — about 34% more players. Subnautica: Below Zero counters with better Steam reviews: 90% positive vs 88%. Across all tracked metrics, Assassin’s Creed® IV Black Flag™ leads 6 of 9.
Coilr tracks charts like this for every game — and playtime history for your own library.
Tracked by Coilr since June 2026 · Steam polled every 10 minutes · methodology
| Metric | Assassin’s Creed® IV Black Flag™ | Subnautica: Below Zero |
|---|---|---|
| Players right now | 1,304 | 970 |
| 24-hour peak | 1,398 | 1,006 |
| 7-day average | 1,104 | 701 |
| 30-day average | 1,101 | 701 |
| 30-day trend | — | — |
| Peak (tracked) | 1,744 | 1,006 |
| Steam reviews | 88% positive | 90% positive |
| Recent reviews (3 mo) | 83% positive | 87% positive |
| Total reviews | 78,190 | 107,767 |
| Owners (SteamSpy est.) | ~5,000,000 | ~2,000,000 |
| Release date | — | May 13, 2021 |
| Price | $39.99 | $29.99 |
Full stats: Assassin’s Creed® IV Black Flag™ · Subnautica: Below Zero · add more games to this comparison →
| Month | Assassin’s Creed® IV Black Flag™ | Subnautica: Below Zero | ||
|---|---|---|---|---|
| Avg | Peak | Avg | Peak | |
| Jun 2026 | 441 | 614 | — | — |
| Jul 2026 (so far) | 1,103 | 1,744 | 720 | 1,006 |
Monthly average and peak concurrent players on Steam, from Coilr's own tracking (10-minute polls, hourly beyond 30 days).
Assassin’s Creed® IV Black Flag™ currently has more players: 1,304 concurrent players on Steam vs 970 for Subnautica: Below Zero — about 34% more players.
Over the last 30 days Assassin’s Creed® IV Black Flag™ averaged 1,101 concurrent players and Subnautica: Below Zero averaged 701. By that measure Assassin’s Creed® IV Black Flag™ is currently the bigger game.
By Steam review score, Subnautica: Below Zero rates higher: 90% positive across 107,767 reviews vs 88% across 78,190 for Assassin’s Creed® IV Black Flag™. Assassin’s Creed® IV Black Flag™ has the larger player base right now (1,304 vs 970 concurrent). Player counts, ratings, price and trend are compared side by side above.