Live Steam player count comparison, updated every 10 minutes. Both are Action games.
Portal is currently the more played game: 712 concurrent players on Steam right now vs 668 for Assassin's Creed 2 — a similar number of players. Portal also has the better Steam reviews: 99% positive vs 89%. Across all tracked metrics, Portal leads 9 of 9.
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 | Assassin's Creed 2 | Portal |
|---|---|---|
| Players right now | 668 | 712 |
| 24-hour peak | 706 | 739 |
| 7-day average | 554 | 566 |
| 30-day average | 554 | 747 |
| 30-day trend | — | +77% |
| Peak (tracked) | 964 | 1,469 |
| Steam reviews | 89% positive | 99% positive |
| Recent reviews (3 mo) | 88% positive | 99% positive |
| Total reviews | 60,766 | 197,109 |
| Owners (SteamSpy est.) | ~2,000,000 | ~10,000,000 |
| Release date | Mar 9, 2010 | Oct 9, 2007 |
| Price | $19.99 | $9.99 |
Full stats: Assassin's Creed 2 · Portal · add more games to this comparison →
| Month | Assassin's Creed 2 | Portal | ||
|---|---|---|---|---|
| Avg | Peak | Avg | Peak | |
| Apr 2026 | — | — | 384 | 480 |
| May 2026 | — | — | 403 | 565 |
| Jun 2026 | — | — | 541 | 1,469 |
| Jul 2026 (so far) | 550 | 964 | 735 | 1,387 |
Monthly average and peak concurrent players on Steam, from Coilr's own tracking (10-minute polls, hourly beyond 30 days).
Portal currently has more players: 712 concurrent players on Steam vs 668 for Assassin's Creed 2 — a similar number of players.
Over the last 30 days Assassin's Creed 2 averaged 554 concurrent players and Portal averaged 747. By that measure Portal is currently the bigger game.
By Steam review score, Portal rates higher: 99% positive across 197,109 reviews vs 89% across 60,766 for Assassin's Creed 2. Portal has the larger player base right now (712 vs 668 concurrent). Player counts, ratings, price and trend are compared side by side above.
Portal averaged 747 concurrent players over the last 30 days, up 77% vs the previous 30 days. Its highest tracked player count is 1,469.