Live Steam player count comparison, updated every 10 minutes. Both are Simulation games.
American Truck Simulator is currently the more played game: 10,083 concurrent players on Steam right now vs 8,168 for Umamusume: Pretty Derby — about 23% more players. American Truck Simulator also has the better Steam reviews: 97% positive vs 94%. American Truck Simulator is currently 75% off on Steam. Across all tracked metrics, American Truck Simulator 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 | American Truck Simulator | Umamusume: Pretty Derby |
|---|---|---|
| Players right now | 10,083 | 8,168 |
| 24-hour peak | 10,405 | 10,364 |
| 7-day average | 8,080 | 7,550 |
| 30-day average | 8,080 | 7,676 |
| 30-day trend | — | +22% |
| Peak (tracked) | 10,405 | 18,864 |
| Steam reviews | 97% positive | 94% positive |
| Recent reviews (3 mo) | 96% positive | 94% positive |
| Total reviews | 193,988 | 58,057 |
| Owners (SteamSpy est.) | ~2,000,000 | — |
| Release date | Feb 2, 2016 | Jun 23, 2025 |
| Price | $4.99 (−75%) | — |
Full stats: American Truck Simulator · Umamusume: Pretty Derby · add more games to this comparison →
| Month | American Truck Simulator | Umamusume: Pretty Derby | ||
|---|---|---|---|---|
| Avg | Peak | Avg | Peak | |
| Apr 2026 | 8,398 | 9,631 | — | — |
| May 2026 | — | — | 6,717 | 11,038 |
| Jun 2026 | — | — | 6,269 | 10,215 |
| Jul 2026 (so far) | 8,269 | 10,405 | 8,573 | 18,864 |
Monthly average and peak concurrent players on Steam, from Coilr's own tracking (10-minute polls, hourly beyond 30 days).
American Truck Simulator currently has more players: 10,083 concurrent players on Steam vs 8,168 for Umamusume: Pretty Derby — about 23% more players.
Over the last 30 days American Truck Simulator averaged 8,080 concurrent players and Umamusume: Pretty Derby averaged 7,676. By that measure American Truck Simulator is currently the bigger game.
By Steam review score, American Truck Simulator rates higher: 97% positive across 193,988 reviews vs 94% across 58,057 for Umamusume: Pretty Derby. American Truck Simulator has the larger player base right now (10,083 vs 8,168 concurrent). Player counts, ratings, price and trend are compared side by side above.
Umamusume: Pretty Derby averaged 7,676 concurrent players over the last 30 days, up 22% vs the previous 30 days. Its highest tracked player count is 18,864.