The Game Census
[Chilla's Art] Night Security | 夜間警備 cover art

[Chilla's Art] Night Security | 夜間警備

Chilla's Art · 2023-06-16

Steam

Indie

Modes: Single player · Perspectives: First person

Releases: Jun 17, 2023 (PC (Microsoft Windows))

Night Security | 夜間警備 is a Japanese psychological horror game about night security.

89%
positive of 999 reviews
Very Positive
steam's rating (official)
0–20,000
owners (SteamSpy est.)
70/100
IGDB user rating (9 ratings)
gold
deck/linux tier (ProtonDB)
Playable
Steam Deck (Valve)
SteamOS: Playable
$7.99
steam price (US)

Health check

Quietly active
  • · 77 reviews in the last 8 weeks (~10/week).
  • · Review velocity up 12% vs the prior 8 weeks.
  • · Current weekly pace is under 5% of the all-time peak week (262 reviews).
  • · Top 15% of 32,689 Indie games in the census by review count.
Estimated sales: 20k–45k copies

Review-multiple estimate from 999 total reviews — how this is computed.

All-time low: $5.59 at Steam (2026-06-25)via IsThereAnyDeal

12-month high $7.99 · on sale 7 of 16 observed days (census price snapshots)

Review momentum

PositiveNegative
23523520232026Week of 2023-06-01: 235 positiveWeek of 2023-06-01: 27 negativeWeek of 2023-07-01: 97 positiveWeek of 2023-07-01: 7 negativeWeek of 2023-08-01: 47 positiveWeek of 2023-08-01: 3 negativeWeek of 2023-09-01: 25 positiveWeek of 2023-09-01: 7 negativeWeek of 2023-10-01: 31 positiveWeek of 2023-10-01: 5 negativeWeek of 2023-11-01: 33 positiveWeek of 2023-11-01: 6 negativeWeek of 2023-12-01: 14 positiveWeek of 2023-12-01: 4 negativeWeek of 2024-01-01: 29 positiveWeek of 2024-01-01: 6 negativeWeek of 2024-02-01: 15 positiveWeek of 2024-02-01: 1 negativeWeek of 2024-03-01: 13 positiveWeek of 2024-03-01: 2 negativeWeek of 2024-04-01: 14 positiveWeek of 2024-04-01: 1 negativeWeek of 2024-05-01: 11 positiveWeek of 2024-05-01: 2 negativeWeek of 2024-06-01: 12 positiveWeek of 2024-06-01: 2 negativeWeek of 2024-07-01: 19 positiveWeek of 2024-07-01: 1 negativeWeek of 2024-08-01: 17 positiveWeek of 2024-08-01: 1 negativeWeek of 2024-09-01: 12 positiveWeek of 2024-09-01: 1 negativeWeek of 2024-10-01: 14 positiveWeek of 2024-10-01: 1 negativeWeek of 2024-11-01: 13 positiveWeek of 2024-11-01: 1 negativeWeek of 2024-12-01: 8 positiveWeek of 2024-12-01: 5 negativeWeek of 2025-01-01: 15 positiveWeek of 2025-01-01: 2 negativeWeek of 2025-02-01: 10 positiveWeek of 2025-03-01: 16 positiveWeek of 2025-03-01: 3 negativeWeek of 2025-04-01: 7 positiveWeek of 2025-05-01: 7 positiveWeek of 2025-06-01: 8 positiveWeek of 2025-06-01: 3 negativeWeek of 2025-07-01: 6 positiveWeek of 2025-07-01: 1 negativeWeek of 2025-08-01: 10 positiveWeek of 2025-08-01: 2 negativeWeek of 2025-09-01: 3 positiveWeek of 2025-10-01: 9 positiveWeek of 2025-10-01: 1 negativeWeek of 2025-11-01: 11 positiveWeek of 2025-12-01: 6 positiveWeek of 2025-12-01: 2 negativeWeek of 2026-01-01: 6 positiveWeek of 2026-01-01: 1 negativeWeek of 2026-02-01: 10 positiveWeek of 2026-03-01: 8 positiveWeek of 2026-03-01: 1 negativeWeek of 2026-04-01: 6 positiveWeek of 2026-04-01: 2 negativeWeek of 2026-05-01: 9 positiveWeek of 2026-05-01: 1 negativeWeek of 2026-06-01: 4 positiveWeek of 2026-06-01: 1 negativeWeek of 2026-07-01: 12 positiveWeek of 2026-07-01: 4 negativeWeek of 2026-08-01: 9 positiveWeek of 2026-08-01: 3 negativeWeek of 2026-09-01: 5 positive
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Price history

$7.99$5.592023-06-172026-08-172023-06-17 — best price $7.992023-07-24 — best price $7.992023-09-11 — best price $7.992023-11-02 — best price $7.992023-11-28 — best price $7.992023-12-11 — best price $7.992024-01-04 — best price $7.992024-01-22 — best price $7.992024-03-04 — best price $7.992024-03-21 — best price $7.992024-04-29 — best price $7.992024-07-11 — best price $7.992024-11-04 — best price $7.992024-12-04 — best price $7.992024-12-16 — best price $7.992025-01-02 — best price $7.992025-01-27 — best price $7.992025-03-20 — best price $7.992025-04-14 — best price $7.992025-05-26 — best price $7.992025-07-10 — best price $7.992025-10-06 — best price $7.992025-11-03 — best price $7.992026-01-05 — best price $7.992026-02-18 — best price $7.992026-03-26 — best price $7.992026-05-25 — best price $7.992026-07-09 — best price $7.992026-08-17 — best price $7.99
Lowest recorded price across tracked stores, per day (census snapshots).

Completion

4
achievements tracked
70.6%
earned "Ending 1"
47.8%
median achievement earned by

Global achievement rates from Steam.

Details

WindowsSingle-playerSteam AchievementsFamily Sharing

12 supported languages: Japanese, English, German, Hungarian, Korean, Portuguese - Brazil, Russian, Simplified Chinese, Spanish - Latin America, Traditional Chinese, Vietnamese, Lithuanian

Player tags

3D1980s1990'sCasualDemonsHorrorMysteryAdventureImmersiveRealistic

Census log

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

Players also track

I'm on Observation Duty 6Bonnie's Bakery

Similarity via IGDB.

Official site ↗