Terraforming Mars
Is Terraforming Mars worth it?
Well-reviewed overall, but recent reviews have dipped, so check what changed first.
The average Coilr player has put 9h into Terraforming Mars. Steam reviews are mostly positive. Heads-up: recent reviews are 57% positive, 13 points below its all-time 71%, so something may have changed lately.
9h avg71% positive57% recently ▾
Automated estimate from Coilr-tracked playtime and Steam reviews (Coilr doesn't verify individual reviews), not a paid placement. How this is calculated
Players now
578
24h peak
578
Peak (tracked)
578
Coilr players
3
Player count
This game's player count is measured about every 10 hours. Steam allows a limited number of requests per day, so the busiest games are measured every few minutes and quieter ones less often. The shape of the curve is real, the fine detail between points isn't recorded.
Steam reviews
Mostly PositivePositive
71%
Total reviews
7,238
Pos / Neg
5,106 / 2,132
% positive by month
How long to beat
No verified owner has reported a time for Terraforming Mars yet.
Sign in to be the firstPlayer retention
DormantHow many tracked owners still play, something raw concurrent counts can't tell you.
Active (2 weeks)
0%
0 of 3 owners
Played last 7 days
0
Hours trend (2wk)
▲ Rising
Last time owners played
Last 7 days · 08-30 days · 031-90 days · 090+ days · 3
Where players are
Country distribution of Coilr players who own this game.
🇺🇸US
50%
🇦🇺AU
50%
Estimated playerbase by region
Inferred from when Terraforming Mars is busiest each day. A rough estimate of the global playerbase from player-count patterns, not exact player locations.
Most players look to be in Europe & Africa (~31%).
Europe & Africa
31%
Americas
29%
Russia & CIS
22%
Asia-Pacific
18%
Players online by hour (UTC)
00h06h12h18h23h
Busiest around 20:00 with about 572 people in game — 2.7× as many as at 07:00, the quietest hour.
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More on Terraforming Mars
Frequently asked about Terraforming Mars
How many people play Terraforming Mars?
As of September 2026, about 578 people are playing Terraforming Mars on Steam right now, with a 24-hour peak of 578 concurrent players.
Is Terraforming Mars worth it?
Well-reviewed overall, but recent reviews have dipped, so check what changed first. The average Coilr player has put 9h into Terraforming Mars. Steam reviews are mostly positive. Heads-up: recent reviews are 57% positive, 13 points below its all-time 71%, so something may have changed lately.
Where are most Terraforming Mars players from?
Terraforming Mars's player activity peaks around 20:00 UTC, which points to its largest audience being in the Europe & Africa region, an estimated 31% of active players, followed by Americas. (Estimated from global player-count patterns, not exact player locations.)