The Game Census
Demonsomnia cover art

Demonsomnia

Serhat Akgul · Demonsomnia Team · 2024-08-13

Steam

ActionEarly Access

Modes: Single player, Multiplayer, Co-operative · Perspectives: First person

Releases: Aug 13, 2024 (PC (Microsoft Windows))

Demonsomnia is a CO-OP multiplayer bodycam horror game focused on the impact of nuclear reactions. Radiation has spread everywhere, so put on your gas mask. Your goal is to activate the nuclear reactor device and escape without being caught by mutants.

Demonsomnia is an Action and Early Access game released in 2024, priced at $13.99, with an owner estimate of 50,000 .. 100,000 and a Mostly Negative review sentiment (35% of 329 reviews).

0
playing now
35%
positive of 328 reviews
Mostly Negative
steam's rating (official)
50,000–100,000
owners (SteamSpy est.)
pending
deck/linux tier (ProtonDB)
Playable
Steam Deck (Valve)
SteamOS: Playable
$13.99
steam price (US)

0 players in-game as of 2026-10-14 18:00 UTC (census sample)

Demonsomnia is a CO-OP multiplayer body cam horror game about the impact of a nuclear reaction. Grab your gun, head to the forest and collect the objects you need to hunt the demon from the misty woods. The forest is full of villagers and strange mutated creatures.(Storyline via IGDB)

Health check

Quiet
  • · 0 players in-game at the last census sample.
  • · 7 reviews in the last 8 weeks (~1/week).
  • · Review velocity down 30% vs the prior 8 weeks.
  • · Current weekly pace is under 5% of the all-time peak week (249 reviews).
  • · Top 24% of 27,667 Action games in the census by review count.

Health tier since 2026-09-01

Estimated sales: 6.6k–15k copies

Review-multiple estimate from 328 total reviews — how this is computed.

All-time low: $11.89 at Steam (2024-08-13)via IsThereAnyDeal

Review momentum

PositiveNegative
17817820242026Week of 2024-08-13: 71 positiveWeek of 2024-08-13: 178 negativeWeek of 2024-08-20: 7 positiveWeek of 2024-08-20: 7 negativeWeek of 2024-08-27: 2 positiveWeek of 2024-09-03: 2 positiveWeek of 2024-09-10: 2 positiveWeek of 2024-09-10: 2 negativeWeek of 2024-09-17: 1 positiveWeek of 2024-09-17: 2 negativeWeek of 2024-10-01: 1 negativeWeek of 2024-10-08: 1 negativeWeek of 2024-10-29: 1 positiveWeek of 2024-11-12: 1 negativeWeek of 2024-11-19: 1 negativeWeek of 2024-11-26: 2 positiveWeek of 2024-11-26: 1 negativeWeek of 2024-12-31: 1 positiveWeek of 2025-01-07: 1 positiveWeek of 2025-04-15: 2 negativeWeek of 2025-05-20: 1 negativeWeek of 2025-07-15: 1 positiveWeek of 2025-08-26: 1 positiveWeek of 2025-10-14: 1 positiveWeek of 2025-10-28: 1 positiveWeek of 2025-12-09: 1 positiveWeek of 2026-01-13: 1 negativeWeek of 2026-01-27: 1 negative
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Players online

102026-09-15 04:00 — 0 players2026-09-16 12:00 — 0 players2026-09-17 19:00 — 0 players2026-09-19 03:00 — 0 players2026-09-20 10:00 — 0 players2026-09-21 18:00 — 0 players2026-09-23 02:00 — 0 players2026-09-24 09:00 — 0 players2026-09-25 17:00 — 0 players2026-09-27 00:00 — 0 players2026-09-28 08:00 — 0 players2026-09-29 15:00 — 0 players2026-09-30 23:00 — 0 players2026-10-02 06:00 — 0 players2026-10-03 14:00 — 0 players2026-10-04 22:00 — 1 players2026-10-06 05:00 — 0 players2026-10-07 13:00 — 0 players2026-10-08 20:00 — 0 players2026-10-10 04:00 — 0 players2026-10-11 11:00 — 0 players2026-10-12 19:00 — 0 players2026-10-14 03:00 — 0 players2026-10-14 18:00 — 0 players
Concurrent players, hourly average, last 30 days (census samples).

Price history

$13.99$11.892024-08-132025-03-202024-08-13 — best price $11.892024-08-27 — best price $13.992024-10-28 — best price $11.892024-11-04 — best price $13.992024-11-27 — best price $11.892024-12-04 — best price $13.992024-12-19 — best price $11.892025-01-02 — best price $13.992025-03-13 — best price $11.892025-03-20 — best price $13.99
Lowest recorded price across tracked stores, per day (census snapshots).

Completion

2
achievements tracked
73.1%
earned "INJECTION RECEIVED"
10.3%
median achievement earned by

Global achievement rates from Steam.

Details

WindowsSingle-playerMulti-playerCo-opOnline Co-opSteam AchievementsSteam CloudFamily Sharing

12 supported languages: English, French, Italian, German, Spanish - Spain, Simplified Chinese, Japanese, Korean, Russian, Turkish, Ukrainian, Arabic

Console footprint

PlatformPlayers trackedCompletionTrophies/achievements
Steam (Steam)2413%2

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

Player tags

FPSDarkCo-opDemonsHorrorSci-fiDetectiveExplorationMultiplayerEarly Access

Census log

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

Players also track

F.E.A.R. 2: Project OriginDon't Knock TwiceImmortal: UnchainedBlack SquadThe Sinking City RemasteredApsulov: End of GodsCall of Duty®: Modern Warfare®

Similarity via IGDB.

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