The Game Census
hallucination - 幻觉 cover art

hallucination - 幻觉

灰烬天国 · 2021-05-28

Steam

CasualIndie

Modes: Single player

Releases: May 28, 2020 (PC (Microsoft Windows))

Sequel of Old Watch

hallucination - 幻觉 is a 2021 Casual and Indie game priced at $4.99, with a Very Positive review sentiment (87% of 204 reviews) and an estimated 20,000 .. 50,000 owners.

0
playing now
87%
positive of 204 reviews
Very Positive
steam's rating (official)
20,000–50,000
owners (SteamSpy est.)
Unknown
Steam Deck (Valve)
SteamOS: 0
$4.99
steam price (US)

0 players in-game as of 2026-10-14 07:00 UTC (census sample)

Health check

Quiet
  • · 0 players in-game at the last census sample.
  • · 10 reviews in the last 8 weeks (~1/week).
  • · Review velocity down 29% vs the prior 8 weeks.
  • · Current weekly pace is under 5% of the all-time peak week (33 reviews).
  • · Top 21% of 29,032 Casual games in the census by review count.

Health tier since 2026-09-01

Estimated sales: 4.1k–9.2k copies

Review-multiple estimate from 204 total reviews — how this is computed.

All-time low: $4.99 at Steam (2022-11-22)via IsThereAnyDeal

12-month high $9.99 · on sale 9 of 17 observed days (census price snapshots)

Review momentum

PositiveNegative
282820212026Week of 2021-05-01: 22 positiveWeek of 2021-06-01: 28 positiveWeek of 2021-06-01: 5 negativeWeek of 2021-07-01: 6 positiveWeek of 2021-07-01: 5 negativeWeek of 2021-08-01: 4 positiveWeek of 2021-08-01: 1 negativeWeek of 2021-09-01: 1 negativeWeek of 2021-11-01: 1 positiveWeek of 2021-12-01: 1 negativeWeek of 2022-01-01: 3 positiveWeek of 2022-01-01: 1 negativeWeek of 2022-02-01: 2 positiveWeek of 2022-03-01: 2 positiveWeek of 2022-04-01: 1 positiveWeek of 2022-05-01: 1 positiveWeek of 2022-06-01: 7 positiveWeek of 2022-07-01: 1 negativeWeek of 2022-08-01: 2 positiveWeek of 2022-10-01: 2 positiveWeek of 2022-11-01: 4 positiveWeek of 2022-12-01: 2 positiveWeek of 2023-02-01: 1 positiveWeek of 2023-03-01: 2 negativeWeek of 2023-04-01: 1 positiveWeek of 2023-04-01: 1 negativeWeek of 2023-06-01: 1 positiveWeek of 2023-07-01: 4 positiveWeek of 2023-08-01: 1 positiveWeek of 2023-10-01: 2 positiveWeek of 2023-12-01: 1 positiveWeek of 2024-01-01: 1 positiveWeek of 2024-03-01: 1 positiveWeek of 2024-09-01: 2 positiveWeek of 2024-10-01: 1 positiveWeek of 2024-10-01: 1 negativeWeek of 2025-01-01: 1 negativeWeek of 2025-03-01: 2 negativeWeek of 2025-04-01: 2 positiveWeek of 2025-04-01: 1 negativeWeek of 2025-06-01: 1 positiveWeek of 2025-10-01: 1 positiveWeek of 2025-11-01: 1 positiveWeek of 2026-02-01: 1 positiveWeek of 2026-03-01: 1 positiveWeek of 2026-03-01: 1 negative
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Players online

102026-09-15 08:00 — 0 players2026-09-16 16:00 — 0 players2026-09-18 00:00 — 0 players2026-09-19 07:00 — 0 players2026-09-20 15:00 — 0 players2026-09-21 22:00 — 0 players2026-09-23 06:00 — 0 players2026-09-24 13:00 — 0 players2026-09-25 21:00 — 0 players2026-09-27 04:00 — 0 players2026-09-28 12:00 — 0 players2026-09-29 19:00 — 0 players2026-10-01 03:00 — 0 players2026-10-02 10:00 — 0 players2026-10-03 18:00 — 0 players2026-10-05 02:00 — 0 players2026-10-06 10:00 — 1 players2026-10-07 17:00 — 0 players2026-10-09 01:00 — 0 players2026-10-10 08:00 — 0 players2026-10-11 16:00 — 0 players2026-10-13 00:00 — 0 players2026-10-14 07:00 — 0 players
Concurrent players, hourly average, last 30 days (census samples).

Price history

$9.99$4.992021-05-282026-08-242021-05-28 — best price $8.492021-10-04 — best price $7.492021-11-24 — best price $7.492021-12-22 — best price $7.492022-02-07 — best price $7.492022-05-02 — best price $6.992022-06-24 — best price $6.992022-08-15 — best price $5.992022-10-24 — best price $5.992022-12-05 — best price $5.992023-01-09 — best price $5.992023-03-27 — best price $5.992023-06-19 — best price $4.992023-08-07 — best price $5.992023-10-30 — best price $4.992023-12-11 — best price $4.992024-01-22 — best price $4.992024-03-14 — best price $4.992024-06-27 — best price $4.992024-08-26 — best price $4.992024-11-18 — best price $4.992024-12-20 — best price $4.992025-03-03 — best price $4.992025-04-14 — best price $4.992025-06-27 — best price $4.992025-08-20 — best price $4.992025-11-17 — best price $4.992026-02-16 — best price $4.992026-03-30 — best price $4.992026-06-25 — best price $4.992026-08-24 — best price $4.99
Lowest recorded price across tracked stores, per day (census snapshots).

Completion

21
achievements tracked
91.9%
earned "欢迎来到“幻觉”"
49.4%
median achievement earned by

Global achievement rates from Steam.

Details

WindowsmacOSSingle-playerSteam AchievementsFamily Sharing1 DLC

Post-launch support: 1 DLC released, first 2021-08-04 (Steam store data)

Console footprint

PlatformPlayers trackedCompletionTrophies/achievements
Steam (Steam)4753%21

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

Player tags

2DVRAnimeLinearPuzzleSci-fiMysteryStrategyEmotionalConspiracy

Census log

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

Players also track

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Similarity via IGDB.