
Live player count and Steam charts
A massive demonic invasion has overwhelmed the Union Aerospace Corporation's (UAC) Mars Research Facility, leaving only chaos and horror in its wake. As one of only a few survivors, you must fight your way to hell and back against a horde of evil monsters.
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.
| Month | Avg players | Gain | % gain | Peak |
|---|---|---|---|---|
| Jul 2026 * | 28 | +5 | +21.7% | 64 |
| Jun 2026 | 23 | -1 | -4.2% | 56 |
| May 2026 | 24 | +4 | +20.0% | 59 |
| Apr 2026 | 20 | -1 | -4.8% | 47 |
| Mar 2026 | 21 | -5 | -19.2% | 53 |
| Feb 2026 | 26 | +2 | +8.3% | 63 |
| Jan 2026 | 24 | 0 | 0.0% | 52 |
| Dec 2025 | 24 | +2 | +9.1% | 54 |
| Nov 2025 | 22 | -3 | -12.0% | 54 |
| Oct 2025 | 25 | +4 | +19.0% | 55 |
| Sep 2025 | 21 | -4 | -16.0% | 49 |
| Aug 2025 | 25 | -3 | -10.7% | 58 |
* current month, data so far
Average concurrent players by day and hour over the last 15 days, shown in .
Daily activity peaks around 19:00 — a pattern consistent with a player base concentrated in Europe, the Middle East & Africa. Steam publishes no per-country player data, so this is inferred from play times.
Language mix of 100 Steam reviews spanning 60 days — a rough proxy for where the player base is.