The Game Census
I'm on Observation Duty 4 cover art

I'm on Observation Duty 4

Notovia · 2021-12-22

Steam

Indie

Modes: Single player · Perspectives: First person, Bird view / Isometric

Releases: Dec 22, 2021 (Mac), Dec 22, 2021 (PC (Microsoft Windows)), Dec 22, 2021 (Linux)

A spot the difference -type of puzzle horror game about monitoring live surveillance camera footage and spotting anomalies. Anomalies range from furniture movement to intruders. Fix anomalies by filing reports. You will need sharp eyes and good memory. The goal is to survive the entire night.

I'm on Observation Duty 4 is an Indie game released in 2021, priced at $4.99, with an estimated 50,000 to 100,000 owners and an Overwhelmingly Positive review sentiment (97% of 852 reviews).

2
playing now
97%
positive of 852 reviews
Overwhelmingly Positive
steam's rating (official)
50,000–100,000
owners (SteamSpy est.)
pending
deck/linux tier (ProtonDB)
Verified
Steam Deck (Valve)
SteamOS: Playable
$4.99
steam price (US)

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

You're a trained anomaly observer monitoring haunted houses trough surveillance cameras. Your job is to keep the monitored facilities safe by reporting any anomalies you spot.(Storyline via IGDB)

Health check

Quietly active
  • · 2 players in-game at the last census sample.
  • · 48 reviews in the last 8 weeks (~6/week).
  • · Review velocity up 9% vs the prior 8 weeks.
  • · Top 12% of 49,548 Indie games in the census by review count.

Health tier since 2026-08-31

Estimated sales: 17k–38k copies

Review-multiple estimate from 852 total reviews — how this is computed.

All-time low: $3.99 at Steam (2024-06-27)via IsThereAnyDeal

12-month high $4.99 · on sale 4 of 8 observed days (census price snapshots)

Review momentum

PositiveNegative
636320212026Week of 2021-12-01: 49 positiveWeek of 2022-01-01: 59 positiveWeek of 2022-01-01: 2 negativeWeek of 2022-02-01: 63 positiveWeek of 2022-02-01: 1 negativeWeek of 2022-03-01: 30 positiveWeek of 2022-04-01: 50 positiveWeek of 2022-05-01: 50 positiveWeek of 2022-06-01: 29 positiveWeek of 2022-06-01: 1 negativeWeek of 2022-07-01: 28 positiveWeek of 2022-07-01: 2 negativeWeek of 2022-08-01: 20 positiveWeek of 2022-08-01: 2 negativeWeek of 2022-09-01: 10 positiveWeek of 2022-10-01: 11 positiveWeek of 2022-10-01: 1 negativeWeek of 2022-11-01: 34 positiveWeek of 2022-12-01: 8 positiveWeek of 2023-01-01: 9 positiveWeek of 2023-02-01: 9 positiveWeek of 2023-02-01: 1 negativeWeek of 2023-03-01: 21 positiveWeek of 2023-04-01: 27 positiveWeek of 2023-05-01: 20 positiveWeek of 2023-05-01: 1 negativeWeek of 2023-06-01: 12 positiveWeek of 2023-07-01: 17 positiveWeek of 2023-08-01: 4 positiveWeek of 2023-08-01: 1 negativeWeek of 2023-09-01: 9 positiveWeek of 2023-09-01: 1 negativeWeek of 2023-10-01: 7 positiveWeek of 2023-11-01: 7 positiveWeek of 2023-11-01: 1 negativeWeek of 2023-12-01: 5 positiveWeek of 2024-01-01: 13 positiveWeek of 2024-02-01: 13 positiveWeek of 2024-02-01: 1 negativeWeek of 2024-03-01: 13 positiveWeek of 2024-04-01: 7 positiveWeek of 2024-05-01: 8 positiveWeek of 2024-05-01: 1 negativeWeek of 2024-06-01: 9 positiveWeek of 2024-07-01: 10 positiveWeek of 2024-08-01: 9 positiveWeek of 2024-09-01: 13 positiveWeek of 2024-10-01: 8 positiveWeek of 2024-10-01: 1 negativeWeek of 2024-11-01: 5 positiveWeek of 2024-12-01: 11 positiveWeek of 2024-12-01: 2 negativeWeek of 2025-01-01: 7 positiveWeek of 2025-01-01: 1 negativeWeek of 2025-02-01: 3 positiveWeek of 2025-03-01: 7 positiveWeek of 2025-03-01: 1 negativeWeek of 2025-04-01: 6 positiveWeek of 2025-04-01: 1 negativeWeek of 2025-05-01: 4 positiveWeek of 2025-06-01: 3 positiveWeek of 2025-07-01: 3 positiveWeek of 2025-07-01: 1 negativeWeek of 2025-08-01: 6 positiveWeek of 2025-09-01: 6 positiveWeek of 2025-10-01: 11 positiveWeek of 2025-11-01: 3 positiveWeek of 2025-12-01: 9 positiveWeek of 2025-12-01: 1 negativeWeek of 2026-01-01: 10 positiveWeek of 2026-02-01: 5 positiveWeek of 2026-02-01: 1 negativeWeek of 2026-03-01: 5 positiveWeek of 2026-04-01: 6 positiveWeek of 2026-05-01: 5 positiveWeek of 2026-06-01: 1 positiveWeek of 2026-06-01: 1 negativeWeek of 2026-07-01: 4 positiveWeek of 2026-08-01: 5 positiveWeek of 2026-08-01: 1 negative
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Players online

902026-09-15 03:00 — 2 players2026-09-16 11:00 — 2 players2026-09-17 18:00 — 5 players2026-09-19 02:00 — 3 players2026-09-20 09:00 — 3 players2026-09-21 17:00 — 2 players2026-09-23 01:00 — 2 players2026-09-24 08:00 — 0 players2026-09-25 16:00 — 0 players2026-09-26 23:00 — 5 players2026-09-28 07:00 — 1 players2026-09-29 14:00 — 2 players2026-09-30 22:00 — 2 players2026-10-02 05:00 — 3 players2026-10-03 13:00 — 0 players2026-10-04 21:00 — 6 players2026-10-06 04:00 — 6 players2026-10-07 12:00 — 3 players2026-10-08 20:00 — 4 players2026-10-10 03:00 — 3 players2026-10-11 11:00 — 5 players2026-10-12 18:00 — 7 players2026-10-14 02:00 — 3 players2026-10-14 18:00 — 2 players
Concurrent players, hourly average, last 30 days (census samples).
403Dec 2021Aug 2026Dec 2021 — avg 30 · peak 60Feb 2022 — avg 33 · peak 122Apr 2022 — avg 40 · peak 108Jun 2022 — avg 20 · peak 51Aug 2022 — avg 13 · peak 33Oct 2022 — avg 9 · peak 35Dec 2022 — avg 8 · peak 19Feb 2023 — avg 14 · peak 40Apr 2023 — avg 21 · peak 49Jun 2023 — avg 11 · peak 27Aug 2023 — avg 7 · peak 20Oct 2023 — avg 8 · peak 28Dec 2023 — avg 11 · peak 29Feb 2024 — avg 7 · peak 21Apr 2024 — avg 7 · peak 22Jun 2024 — avg 6 · peak 16Aug 2024 — avg 5 · peak 18Oct 2024 — avg 6 · peak 20Dec 2024 — avg 8 · peak 23Feb 2025 — avg 5 · peak 15Apr 2025 — avg 5 · peak 14Jun 2025 — avg 5 · peak 12Aug 2025 — avg 4 · peak 11Oct 2025 — avg 5 · peak 24Dec 2025 — avg 6 · peak 19Feb 2026 — avg 6 · peak 19Apr 2026 — avg 4 · peak 12Jun 2026 — avg 4 · peak 12Aug 2026 — avg 3 · peak 12
Monthly average players (source: steamcharts.com) — history via steamcharts.com; live census sampling since Aug 2026.

Price history

$4.99$3.992021-12-222026-07-092021-12-22 — best price $4.742022-06-23 — best price $4.242022-10-25 — best price $4.492022-12-22 — best price $4.492023-03-16 — best price $4.492023-04-06 — best price $4.492023-06-29 — best price $4.492023-10-26 — best price $4.492023-11-21 — best price $4.492023-12-21 — best price $4.492024-03-14 — best price $4.492024-06-27 — best price $3.992024-10-28 — best price $3.992024-11-27 — best price $3.992024-12-19 — best price $3.992025-03-13 — best price $3.992025-06-26 — best price $3.992025-10-01 — best price $3.992025-10-27 — best price $3.992025-12-18 — best price $3.992026-03-19 — best price $3.992026-06-25 — best price $3.992026-07-09 — best price $4.99
Lowest recorded price across tracked stores, per day (census snapshots).

Completion

8
achievements tracked
73.4%
earned "R.I.P."
26.7%
median achievement earned by

Global achievement rates from Steam.

Details

WindowsmacOSLinuxSingle-playerSteam AchievementsFamily Sharing

Console footprint

PlatformPlayers trackedCompletionTrophies/achievements
Steam (Steam)1,06821%8

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

Player tags

3DLogicCasualHorrorPuzzleMysterySokobanSurrealStrategyAtmospheric

Census log

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

Recent updates

Players also track

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Similarity via IGDB.

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