The Game Census
Monstrum cover art

Monstrum

Team Junkfish · Junkfish Limited · 2015-05-20

SteamGOGPlayStation StoreAmazonMicrosoft Store

Indie

Modes: Single player · Perspectives: First person, Virtual Reality

Releases: May 20, 2015 (PC (Microsoft Windows)), Jul 16, 2015 (Linux), Jul 16, 2015 (Mac), May 22, 2020 (Xbox One), May 22, 2020 (PlayStation 4), May 22, 2020 (Nintendo Switch)

Monstrum takes the traditional survival horror formula and remixes it completely with procedurally generated levels, permadeath, and AI driven predators, ensuring that nowhere on its derelict cargo ship is ever truly safe.

Monstrum is a 2015 Indie game priced at $17.99, with a Very Positive review sentiment (91% of 3771 reviews) and an owner estimate of 200,000 .. 500,000.

12
playing now
91%
positive of 3.8k reviews
Very Positive
steam's rating (official)
200,000–500,000
owners (SteamSpy est.)
72/100
IGDB user rating (11 ratings)
4.23★
PlayStation Store rating (452 ratings)
gold
deck/linux tier (ProtonDB)
Verified
Steam Deck (Valve)
SteamOS: Playable
$17.99
steam price (US)

12 players in-game as of 2026-10-14 13:00 UTC (census sample)

Trailer

Monstrum trailer thumbnail

Monstrum - Official Trailer [HD] | A Shudder Original

≈398,073 YouTube results for this game's trailer search

Health check

Quietly active
  • · 12 players in-game at the last census sample.
  • · 164 reviews in the last 8 weeks (~21/week).
  • · Review velocity down 5% vs the prior 8 weeks.
  • · Top 4% of 49,567 Indie games in the census by review count.

Health tier since 2026-08-27

Estimated sales: 94k–226k copies

Review-multiple estimate from 3,771 total reviews — how this is computed.

Current store prices

GOG$3.59-80%
Microsoft Store$9.99

Deal snapshots via CheapShark, refreshed daily.

All-time low: $0.99 at Fanatical (2021-09-29) · bundled 11×via IsThereAnyDeal

12-month high $17.99 · on sale 116 of 169 observed days · $2.60 above the all-time low (census price snapshots)

Review momentum

PositiveNegative
505020182026Week of 2018-01-01: 18 positiveWeek of 2018-01-01: 2 negativeWeek of 2018-02-01: 19 positiveWeek of 2018-02-01: 2 negativeWeek of 2018-03-01: 18 positiveWeek of 2018-03-01: 1 negativeWeek of 2018-04-01: 21 positiveWeek of 2018-04-01: 5 negativeWeek of 2018-05-01: 12 positiveWeek of 2018-05-01: 3 negativeWeek of 2018-06-01: 19 positiveWeek of 2018-06-01: 1 negativeWeek of 2018-07-01: 20 positiveWeek of 2018-07-01: 4 negativeWeek of 2018-08-01: 12 positiveWeek of 2018-08-01: 3 negativeWeek of 2018-09-01: 10 positiveWeek of 2018-10-01: 21 positiveWeek of 2018-10-01: 5 negativeWeek of 2018-11-01: 34 positiveWeek of 2018-11-01: 2 negativeWeek of 2018-12-01: 13 positiveWeek of 2018-12-01: 4 negativeWeek of 2019-01-01: 20 positiveWeek of 2019-01-01: 4 negativeWeek of 2019-02-01: 7 positiveWeek of 2019-02-01: 1 negativeWeek of 2019-03-01: 24 positiveWeek of 2019-03-01: 2 negativeWeek of 2019-04-01: 12 positiveWeek of 2019-04-01: 2 negativeWeek of 2019-05-01: 17 positiveWeek of 2019-05-01: 2 negativeWeek of 2019-06-01: 36 positiveWeek of 2019-06-01: 2 negativeWeek of 2019-07-01: 37 positiveWeek of 2019-07-01: 6 negativeWeek of 2019-08-01: 5 positiveWeek of 2019-08-01: 2 negativeWeek of 2019-09-01: 9 positiveWeek of 2019-09-01: 6 negativeWeek of 2019-10-01: 15 positiveWeek of 2019-10-01: 1 negativeWeek of 2019-11-01: 50 positiveWeek of 2019-11-01: 2 negativeWeek of 2019-12-01: 39 positiveWeek of 2019-12-01: 6 negativeWeek of 2020-01-01: 30 positiveWeek of 2020-01-01: 1 negativeWeek of 2020-02-01: 33 positiveWeek of 2020-02-01: 2 negativeWeek of 2020-03-01: 32 positiveWeek of 2020-03-01: 1 negativeWeek of 2020-04-01: 43 positiveWeek of 2020-04-01: 1 negativeWeek of 2020-05-01: 35 positiveWeek of 2020-05-01: 1 negativeWeek of 2020-06-01: 34 positiveWeek of 2020-06-01: 2 negativeWeek of 2020-07-01: 44 positiveWeek of 2020-07-01: 2 negativeWeek of 2020-08-01: 44 positiveWeek of 2020-08-01: 2 negativeWeek of 2020-09-01: 26 positiveWeek of 2020-09-01: 1 negativeWeek of 2020-10-01: 24 positiveWeek of 2020-11-01: 22 positiveWeek of 2020-11-01: 2 negativeWeek of 2020-12-01: 36 positiveWeek of 2020-12-01: 2 negativeWeek of 2021-01-01: 38 positiveWeek of 2021-02-01: 24 positiveWeek of 2021-03-01: 18 positiveWeek of 2021-03-01: 1 negativeWeek of 2021-04-01: 18 positiveWeek of 2021-04-01: 2 negativeWeek of 2021-05-01: 22 positiveWeek of 2021-05-01: 1 negativeWeek of 2021-06-01: 15 positiveWeek of 2021-07-01: 40 positiveWeek of 2021-07-01: 2 negativeWeek of 2021-08-01: 22 positiveWeek of 2021-08-01: 1 negativeWeek of 2021-09-01: 18 positiveWeek of 2021-10-01: 16 positiveWeek of 2021-10-01: 4 negativeWeek of 2021-11-01: 31 positiveWeek of 2021-12-01: 21 positiveWeek of 2022-01-01: 29 positiveWeek of 2022-02-01: 19 positiveWeek of 2022-03-01: 15 positiveWeek of 2022-03-01: 2 negativeWeek of 2022-04-01: 15 positiveWeek of 2022-05-01: 35 positiveWeek of 2022-05-01: 1 negativeWeek of 2022-06-01: 28 positiveWeek of 2022-06-01: 2 negativeWeek of 2022-07-01: 30 positiveWeek of 2022-07-01: 4 negativeWeek of 2022-08-01: 16 positiveWeek of 2022-08-01: 3 negativeWeek of 2022-09-01: 13 positiveWeek of 2022-09-01: 1 negativeWeek of 2022-10-01: 18 positiveWeek of 2022-10-01: 4 negativeWeek of 2022-11-01: 17 positiveWeek of 2022-11-01: 3 negativeWeek of 2022-12-01: 24 positiveWeek of 2022-12-01: 3 negativeWeek of 2023-01-01: 18 positiveWeek of 2023-01-01: 2 negativeWeek of 2023-02-01: 13 positiveWeek of 2023-02-01: 1 negativeWeek of 2023-03-01: 16 positiveWeek of 2023-04-01: 21 positiveWeek of 2023-05-01: 14 positiveWeek of 2023-06-01: 13 positiveWeek of 2023-06-01: 1 negativeWeek of 2023-07-01: 32 positiveWeek of 2023-07-01: 2 negativeWeek of 2023-08-01: 25 positiveWeek of 2023-08-01: 4 negativeWeek of 2023-09-01: 19 positiveWeek of 2023-09-01: 3 negativeWeek of 2023-10-01: 14 positiveWeek of 2023-11-01: 19 positiveWeek of 2023-11-01: 2 negativeWeek of 2023-12-01: 16 positiveWeek of 2024-01-01: 18 positiveWeek of 2024-01-01: 2 negativeWeek of 2024-02-01: 16 positiveWeek of 2024-02-01: 2 negativeWeek of 2024-03-01: 22 positiveWeek of 2024-03-01: 3 negativeWeek of 2024-04-01: 16 positiveWeek of 2024-04-01: 2 negativeWeek of 2024-05-01: 19 positiveWeek of 2024-05-01: 3 negativeWeek of 2024-06-01: 19 positiveWeek of 2024-06-01: 2 negativeWeek of 2024-07-01: 21 positiveWeek of 2024-07-01: 2 negativeWeek of 2024-08-01: 14 positiveWeek of 2024-08-01: 3 negativeWeek of 2024-09-01: 13 positiveWeek of 2024-09-01: 1 negativeWeek of 2024-10-01: 19 positiveWeek of 2024-10-01: 2 negativeWeek of 2024-11-01: 25 positiveWeek of 2024-11-01: 1 negativeWeek of 2024-12-01: 27 positiveWeek of 2024-12-01: 2 negativeWeek of 2025-01-01: 22 positiveWeek of 2025-01-01: 2 negativeWeek of 2025-02-01: 16 positiveWeek of 2025-02-01: 4 negativeWeek of 2025-03-01: 38 positiveWeek of 2025-03-01: 3 negativeWeek of 2025-04-01: 28 positiveWeek of 2025-05-01: 18 positiveWeek of 2025-05-01: 2 negativeWeek of 2025-06-01: 19 positiveWeek of 2025-06-01: 10 negativeWeek of 2025-07-01: 19 positiveWeek of 2025-07-01: 4 negativeWeek of 2025-08-01: 14 positiveWeek of 2025-08-01: 1 negativeWeek of 2025-09-01: 10 positiveWeek of 2025-09-01: 1 negativeWeek of 2025-10-01: 25 positiveWeek of 2025-10-01: 4 negativeWeek of 2025-11-01: 13 positiveWeek of 2025-11-01: 5 negativeWeek of 2025-12-01: 14 positiveWeek of 2025-12-01: 2 negativeWeek of 2026-01-01: 26 positiveWeek of 2026-01-01: 2 negativeWeek of 2026-02-01: 8 positiveWeek of 2026-02-01: 2 negativeWeek of 2026-03-01: 21 positiveWeek of 2026-03-01: 1 negativeWeek of 2026-04-01: 17 positiveWeek of 2026-04-01: 4 negativeWeek of 2026-05-01: 22 positiveWeek of 2026-06-01: 20 positiveWeek of 2026-06-01: 1 negativeWeek of 2026-07-01: 21 positiveWeek of 2026-07-01: 3 negativeWeek of 2026-08-01: 21 positive
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Players online

2642026-09-14 22:00 — 4 players2026-09-16 06:00 — 8 players2026-09-17 14:00 — 18 players2026-09-18 21:00 — 9 players2026-09-20 05:00 — 7 players2026-09-21 12:00 — 18 players2026-09-22 20:00 — 12 players2026-09-24 03:00 — 12 players2026-09-25 11:00 — 10 players2026-09-26 18:00 — 8 players2026-09-28 02:00 — 7 players2026-09-29 09:00 — 5 players2026-09-30 17:00 — 12 players2026-10-02 00:00 — 14 players2026-10-03 08:00 — 15 players2026-10-04 16:00 — 16 players2026-10-06 00:00 — 9 players2026-10-07 07:00 — 11 players2026-10-08 15:00 — 22 players2026-10-09 22:00 — 11 players2026-10-11 06:00 — 13 players2026-10-12 13:00 — 21 players2026-10-13 21:00 — 10 players2026-10-14 13:00 — 12 players
Concurrent players, hourly average, last 30 days (census samples).
253Jan 2015Aug 2026Jan 2015 — avg 3 · peak 16May 2015 — avg 18 · peak 64Sep 2015 — avg 9 · peak 23Jan 2016 — avg 12 · peak 29May 2016 — avg 17 · peak 95Sep 2016 — avg 12 · peak 30Jan 2017 — avg 14 · peak 34May 2017 — avg 23 · peak 235Sep 2017 — avg 12 · peak 31Jan 2018 — avg 13 · peak 32May 2018 — avg 11 · peak 32Sep 2018 — avg 8 · peak 27Jan 2019 — avg 12 · peak 33May 2019 — avg 13 · peak 36Sep 2019 — avg 13 · peak 31Jan 2020 — avg 14 · peak 40May 2020 — avg 15 · peak 33Sep 2020 — avg 12 · peak 29Jan 2021 — avg 19 · peak 51May 2021 — avg 13 · peak 34Sep 2021 — avg 13 · peak 32Jan 2022 — avg 14 · peak 39May 2022 — avg 16 · peak 40Sep 2022 — avg 12 · peak 35Jan 2023 — avg 12 · peak 30May 2023 — avg 9 · peak 24Sep 2023 — avg 11 · peak 28Jan 2024 — avg 11 · peak 32May 2024 — avg 12 · peak 34Sep 2024 — avg 11 · peak 27Jan 2025 — avg 13 · peak 29May 2025 — avg 13 · peak 30Sep 2025 — avg 12 · peak 31Jan 2026 — avg 13 · peak 34May 2026 — avg 13 · peak 35Aug 2026 — avg 13 · peak 30
Monthly average players (source: steamcharts.com) — history via steamcharts.com; live census sampling since Aug 2026.

Price history

$17.99$2.592015-01-282026-10-142015-01-28 — best price $10.832015-05-11 — best price $13.492015-09-03 — best price $13.492016-05-24 — best price $17.992017-01-26 — best price $17.992017-11-22 — best price $4.492018-08-23 — best price $17.992019-05-15 — best price $3.592020-01-27 — best price $17.992020-06-26 — best price $13.222020-08-13 — best price $16.092020-09-20 — best price $16.092020-10-31 — best price $17.992020-12-08 — best price $17.992021-01-26 — best price $17.992021-04-05 — best price $17.992021-05-12 — best price $15.192021-11-15 — best price $15.192022-05-09 — best price $3.592022-10-24 — best price $3.602023-02-07 — best price $3.592023-06-23 — best price $3.592023-10-03 — best price $17.992024-01-06 — best price $17.992024-04-10 — best price $17.992024-07-11 — best price $17.992024-09-02 — best price $17.992024-11-06 — best price $17.992025-01-20 — best price $2.872025-04-11 — best price $17.992025-06-26 — best price $3.432025-09-06 — best price $3.602025-11-05 — best price $17.992026-01-19 — best price $3.592026-03-24 — best price $17.992026-05-25 — best price $5.392026-08-03 — best price $2.782026-09-09 — best price $3.592026-10-04 — best price $17.992026-10-14 — best price $3.59
Lowest recorded price across tracked stores, per day (census snapshots).

Completion

16
achievements tracked
36.1%
earned "Charlie's Devils"
13.7%
median achievement earned by

Global achievement rates from Steam.

Details

WindowsmacOSLinuxFull controller supportSingle-playerSteam AchievementsFull controller supportVR SupportedVR SupportRemote Play on TVFamily Sharing1 DLC

Post-launch support: 1 DLC released, first 2015-07-17 (Steam store data)

Console footprint

PlatformPlayers trackedCompletionTrophies/achievements
Steam (Steam)2,61413%16
PS4 (PlayStation)48426%17
Xbox One (Xbox)23017%16
Switch (Nintendo)50%0

Players tracked by Exophase (achievement/trophy trackers) — a sample of the player base, not total sales.

Where its players are

Share of Steam reviews by language (top languages measured) — a proxy for where the player base lives.

Player tags

VRIndieHorrorStealthSurvivalDifficultRogue-likeRogue-liteAtmosphericPerma Death

Census log

Computed from census-recorded observations only — dates are observation dates.

Recent updates

Players also track

DollhouseDon't Knock TwiceDARQ: Complete EditionForce of NatureThe Blackout ClubDream AloneApsulov: End of GodsPacify

Similarity via IGDB.

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