Live Steam player count comparison, updated every 10 minutes. Both are Simulation games.
American Truck Simulator is currently the more played game: 7,049 concurrent players on Steam right now vs 6,818 for Cities: Skylines II, a similar number of players. Cities: Skylines II has been ahead for 49 days straight. American Truck Simulator also has the better Steam reviews: 97% positive vs 56%. Across all tracked metrics, Cities: Skylines II leads 5 of 9.
These are Steam players only. A game that also runs on its own launcher, a storefront of its own or on console has players this number cannot see, so read it as a comparison of Steam audiences rather than of total ones.
Coilr members average 84.0h in American Truck Simulator and 42.2h in Cities: Skylines II. Connect your Steam account and this row fills in with your own hours instead — then keeps tracking both, so you can see which one you are actually still playing.

American Truck Simulator
84.0h
average of 35 members

Cities: Skylines II
42.2h
average of 18 members
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Tracked by Coilr since April 2026 · Steam polled every 10 minutes · methodology
Cities: Skylines II has had the higher daily player count for the last 49 days, every day since Coilr began tracking both games.
Days tracked
49
Current streak
49 days
Cities: Skylines II
Lead changes
0
Closest gap
7%
Jul 17, 2026
How this works: each game's daily average concurrent players (from Coilr's 10-minute Steam polls), compared on the 49 days where both games have data. Whichever averages higher leads that day. methodology
| Metric | American Truck Simulator | Cities: Skylines II |
|---|---|---|
| Players right now | 7,049 | 6,818 |
| 24-hour peak | 8,249 | 11,496 |
| 7-day average | 6,573 | 9,147 |
| 30-day average | 6,588 | 9,310 |
| 30-day trend | −5% | −4% |
| Peak (tracked) | 11,614 | 16,077 |
| Steam reviews | 97% positive | 56% positive |
| Recent reviews (3 mo) | 96% positive | 73% positive |
| Total reviews | 195,554 | 91,912 |
| Owners (SteamSpy est.) | ~2,000,000 | ~2,000,000 |
| Release date | Feb 2, 2016 | Oct 24, 2023 |
| Price | $19.99 | $49.99 |
Full stats: American Truck Simulator · Cities: Skylines II · add more games to this comparison →
| Month | American Truck Simulator | Cities: Skylines II | ||
|---|---|---|---|---|
| Avg | Peak | Avg | Peak | |
| Apr 2026 | 8,398 | 9,631 | — | — |
| Jul 2026 | 6,885 | 10,712 | 9,647 | 16,077 |
| Aug 2026 | 6,715 | 11,614 | 9,468 | 15,886 |
| Sep 2026 (so far) | 5,771 | 8,387 | 8,072 | 11,837 |
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: 7,049 concurrent players on Steam vs 6,818 for Cities: Skylines II, a similar number of players.
Over the last 30 days American Truck Simulator averaged 6,588 concurrent players and Cities: Skylines II averaged 9,310. By that measure Cities: Skylines II is currently the bigger game.
Not in Coilr's head-to-head tracking: Cities: Skylines II has had the higher daily average concurrent player count on Steam on every one of the 49 days both games have been tracked.
By Steam review score, American Truck Simulator rates higher: 97% positive across 195,554 reviews vs 56% across 91,912 for Cities: Skylines II. American Truck Simulator has the larger player base right now (7,049 vs 6,818 concurrent). Player counts, ratings, price and trend are compared side by side above.
American Truck Simulator averaged 6,588 concurrent players over the last 30 days, down 5% vs the previous 30 days. Its highest tracked player count is 11,614.
Cities: Skylines II averaged 9,310 concurrent players over the last 30 days, down 4% vs the previous 30 days. Its highest tracked player count is 16,077.