Live Steam player count comparison, updated every 10 minutes. Both are Adventure games.
Subnautica is currently the more played game: 4,522 concurrent players on Steam right now vs 2,345 for Portal 2 — about 1.9× more players. Portal 2 counters with better Steam reviews: 99% positive vs 97%. Across all tracked metrics, Subnautica 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
Subnautica has had the higher daily player count for the last 39 days — every day since Coilr began tracking both games.
Days tracked
39
Current streak
39 days
Subnautica
Lead changes
0
Closest gap
53%
Jul 15, 2026
How this works: each game's daily average concurrent players (from Coilr's 10-minute Steam polls), compared on the 39 days where both games have data — whichever averages higher leads that day. methodology
| Metric | Portal 2 | Subnautica |
|---|---|---|
| Players right now | 2,345 | 4,522 |
| 24-hour peak | 2,533 | 4,919 |
| 7-day average | 2,200 | 4,846 |
| 30-day average | 2,058 | 5,451 |
| 30-day trend | +43% | −57% |
| Peak (tracked) | 3,960 | 29,704 |
| Steam reviews | 99% positive | 97% positive |
| Recent reviews (3 mo) | 98% positive | 98% positive |
| Total reviews | 463,359 | 375,888 |
| Owners (SteamSpy est.) | ~5,000,000 | ~5,000,000 |
| Release date | Apr 17, 2011 | Jan 22, 2018 |
| Price | $9.99 | $29.99 |
Full stats: Portal 2 · Subnautica · add more games to this comparison →
| Month | Portal 2 | Subnautica | ||
|---|---|---|---|---|
| Avg | Peak | Avg | Peak | |
| Apr 2026 | 1,328 | 1,743 | 4,322 | 4,322 |
| May 2026 | 1,329 | 1,986 | 21,879 | 29,704 |
| Jun 2026 | 1,657 | 3,790 | 8,025 | 19,332 |
| Jul 2026 (so far) | 2,392 | 3,960 | 5,386 | 9,259 |
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: 4,522 concurrent players on Steam vs 2,345 for Portal 2 — about 1.9× more players.
Over the last 30 days Portal 2 averaged 2,058 concurrent players and Subnautica averaged 5,451. By that measure Subnautica is currently the bigger game.
Not in Coilr's head-to-head tracking: Subnautica has had the higher daily average concurrent player count on Steam on every one of the 39 days both games have been tracked.
By Steam review score, Portal 2 rates higher: 99% positive across 463,359 reviews vs 97% across 375,888 for Subnautica. Subnautica has the larger player base right now (4,522 vs 2,345 concurrent). Player counts, ratings, price and trend are compared side by side above.
Portal 2 averaged 2,058 concurrent players over the last 30 days, up 43% vs the previous 30 days. Its highest tracked player count is 3,960.
Subnautica averaged 5,451 concurrent players over the last 30 days, down 57% vs the previous 30 days. Its highest tracked player count is 29,704.