Live Steam player count comparison, updated every 10 minutes. Both are Action games.
Assassin's Creed® Unity is currently the more played game: 1,025 concurrent players on Steam right now vs 581 for Left 4 Dead — about 1.8× more players. Left 4 Dead counters with better Steam reviews: 96% positive vs 78%. Across all tracked metrics, Assassin's Creed® Unity leads 6 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® Unity | Left 4 Dead |
|---|---|---|
| Players right now | 1,025 | 581 |
| 24-hour peak | 1,155 | 706 |
| 7-day average | 906 | 546 |
| 30-day average | 906 | 660 |
| 30-day trend | — | +58% |
| Peak (tracked) | 1,393 | 1,188 |
| Steam reviews | 78% positive | 96% positive |
| Recent reviews (3 mo) | 70% positive | 97% positive |
| Total reviews | 84,513 | 67,458 |
| Owners (SteamSpy est.) | ~2,000,000 | ~5,000,000 |
| Release date | Nov 11, 2014 | Nov 16, 2008 |
| Price | $29.99 | $9.99 |
Full stats: Assassin's Creed® Unity · Left 4 Dead · add more games to this comparison →
| Month | Assassin's Creed® Unity | Left 4 Dead | ||
|---|---|---|---|---|
| Avg | Peak | Avg | Peak | |
| Apr 2026 | 498 | 498 | 466 | 466 |
| May 2026 | — | — | 466 | 466 |
| Jun 2026 | — | — | 511 | 1,182 |
| Jul 2026 (so far) | 909 | 1,393 | 683 | 1,188 |
Monthly average and peak concurrent players on Steam, from Coilr's own tracking (10-minute polls, hourly beyond 30 days).
Assassin's Creed® Unity currently has more players: 1,025 concurrent players on Steam vs 581 for Left 4 Dead — about 1.8× more players.
Over the last 30 days Assassin's Creed® Unity averaged 906 concurrent players and Left 4 Dead averaged 660. By that measure Assassin's Creed® Unity is currently the bigger game.
By Steam review score, Left 4 Dead rates higher: 96% positive across 67,458 reviews vs 78% across 84,513 for Assassin's Creed® Unity. Assassin's Creed® Unity has the larger player base right now (1,025 vs 581 concurrent). Player counts, ratings, price and trend are compared side by side above.
Left 4 Dead averaged 660 concurrent players over the last 30 days, up 58% vs the previous 30 days. Its highest tracked player count is 1,188.