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Moons of Madness
Moons of Madness is a first-person, story-driven cosmic horror game where the scientific exploration of Mars meets the supernatural dread of Lovecraft.
What players say
Steam review score and the most-helpful voices, which may include critical ones. Data as of 2026-05-20.
“Nice horror game. Finishable in under 8 hours. Takes about halfway till you realize what type of horror it atually is (well, if you don't read any walkthroughs or reviews). Worth the money.”
— a player, Steam review · 9 hrs played“Quite a good start, the story gradually builds up, but later to the point where you easily get lost, unless you read all the notes in detail, it won't make sense to you later. Puzzles, some good, but most poorly designed. Overall terrible level design, which almost made me quit…”
— a player, Steam review · 7 hrs played“Another confusing dream-related scenario... I highly recommend playing this game without voices, as it completely ruins the horrific atmosphere with bad and vulgar dialogue. A lot of reuse of the same places... However the difficulty of the numerous puzzles is well balanced; The…”
— a player, Steam review · 6 hrs playedPlayer activity
Monthly average concurrent players. Live count fetched 2026-07-11 13:11 UTC · history via SteamCharts.
Achievement stats
Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-07-25.
Price tracking
US-region pricing (USD), sampled twice daily by our own tracker since 2026-07-11. Steam prices vary by region — always confirm your local price on Steam.
Regional prices at last sample, in local currency — Steam sets each region's price independently.
Cheapest → most expensive, converted to USD at ECB reference rates (2026-07-24). Relative comparison only.
Latest official news
Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.
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Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-05-20.
| Genres | Adventure |
| Player tags | Adventure · Horror · Lovecraftian · Sci-fi · Space · First-Person · Exploration · Mars · Psychological Horror · Singleplayer · Puzzle · Atmospheric (SteamSpy community voting) |
| Features | Single-player · Steam Achievements · Steam Trading Cards · Partial Controller Support · Steam Cloud · Family Sharing |
| Languages | English * , French, German, Spanish - Spain, Korean, Norwegian, Polish, Russian, Simplified Chinese, Italian, Portuguese - Brazil * |
| Achievements | 23 |
| Estimated owners | 100,000 – 200,000 (SteamSpy) |
| Official site | https://www.moonsofmadness.com |
Minimum system requirements (PC)
Minimum: OS *: Windows 7, 8, 8.1, 10 x64 Processor: Intel Core i5-760 / AMD Athlon X4 740 or equivalent Memory: 4 GB RAM Graphics: GeForce GTX 460 or MX150 / Radeon R7 260X Storage: 15 GB available space