Mars Horizon
Live player count and Steam charts
Lead a major space agency as you guide humanity to Mars in this strategy simulation game. Construct a base, design and build rockets, conduct missions throughout the Solar System, and write your own history of Space exploration. Created with support from the European Space Agency.
Player history
Each point is the highest number of players online in that month (UTC). History before July 14, 2026 is imported; everything after is our own readings. Zoom in for finer detail.
Monthly player counts
| Month | Avg players | Gain | % gain | Peak |
|---|---|---|---|---|
| Jul 2026 * | 11 | -1 | -8.3% | 59 |
| Jun 2026 | 12 | -5 | -29.4% | 29 |
| May 2026 | 17 | -12 | -41.4% | 42 |
| Apr 2026 | 29 | +16 | +123.1% | 88 |
| Mar 2026 | 13 | -1 | -7.1% | 29 |
| Feb 2026 | 14 | -2 | -12.5% | 36 |
| Jan 2026 | 16 | +2 | +14.3% | 47 |
| Dec 2025 | 14 | -2 | -12.5% | 34 |
| Nov 2025 | 16 | -5 | -23.8% | 37 |
| Oct 2025 | 21 | +4 | +23.5% | 59 |
| Sep 2025 | 17 | -2 | -10.5% | 48 |
| Aug 2025 | 19 | -18 | -48.6% | 41 |
* current month, data so far
Recent updates
- Jul 23, 2026Mars Horizon is Part of SimFest 2026 🚀
- Oct 14, 2025Mars Horizon 2 - Demo Feedback Survey
- Sep 26, 2025Mars Horizon 2 Playable Demo & Release Window Update
- Jul 18, 2025Mars Horizon is in Simfest! 🥳
- Feb 25, 2025Get 75% Off Mars Horizon in the GamesAid Steam Sale! 💚
- Feb 20, 2025👀 Watch the new gameplay trailer for Mars Horizon 2
Audience
Language mix of 100 Steam reviews spanning 340 days — a rough proxy for where the player base is.
Achievements
Every achievement in the game, ordered from most to least earned (#1 is the one the most players have). Height is the share of all players who have it; the dashed line is the median. Global rates from Steam.
