The Game Census
Return to Shironagasu Island cover art

Return to Shironagasu Island

ONIMUSHI Hyogo · TABINOMICHI · 2020-03-02

Steam

Adventure

Modes: Single player

Releases: Nov 17, 2022 (Nintendo Switch), Feb 26, 2020 (PC (Microsoft Windows))

A mystery adventure game and visual novel set on solitary Shironagasu Island. Discover its secrets, solve its mysteries, and escape from the ominous island!

18
playing now
94%
positive of 4.2k reviews
Very Positive
steam rating
100,000–200,000
owners (SteamSpy est.)
79/100
IGDB user rating (8 ratings)
13h
time to beat (IGDB)
platinum
deck/linux tier (ProtonDB)
$4.99
steam price (US)

18 players in-game as of 2026-08-30 04:00 UTC (census sample)

Receiving an invitation hidden in the millionaire's testament to the mysterious Shironagasu Island, "Sen Ikeda", a detective in New York, along with"Neneko Izumozaki", a girl with special abilities, together they headed to the island. Encounter numerous mysterious murders. Find out the hidden truth behind "Shironagasu Island". Solve all the mysteries and escape from the cursed island!(Storyline via IGDB)

Health check

Healthy
  • · 18 players in-game at the last census sample.
  • · 414 reviews in the last 8 weeks (~52/week).
  • · Review velocity up 15% vs the prior 8 weeks.
  • · Top 14% of 11,312 Adventure games in the census by review count.
Estimated sales: 84k–189k copies

Review-multiple estimate from 4,192 total reviews — how this is computed.

All-time low: $0.99 at Fanatical (2021-06-16) · bundled 1×via IsThereAnyDeal

12-month high $4.99 · on sale 7 of 14 observed days (census price snapshots)

Review momentum

PositiveNegative
19119120202026Week of 2020-03-01: 84 positiveWeek of 2020-03-01: 2 negativeWeek of 2020-04-01: 28 positiveWeek of 2020-05-01: 37 positiveWeek of 2020-05-01: 1 negativeWeek of 2020-06-01: 45 positiveWeek of 2020-07-01: 47 positiveWeek of 2020-07-01: 1 negativeWeek of 2020-08-01: 35 positiveWeek of 2020-09-01: 46 positiveWeek of 2020-10-01: 55 positiveWeek of 2020-10-01: 1 negativeWeek of 2020-11-01: 92 positiveWeek of 2020-11-01: 2 negativeWeek of 2020-12-01: 62 positiveWeek of 2020-12-01: 2 negativeWeek of 2021-01-01: 52 positiveWeek of 2021-02-01: 31 positiveWeek of 2021-02-01: 1 negativeWeek of 2021-03-01: 71 positiveWeek of 2021-03-01: 3 negativeWeek of 2021-04-01: 35 positiveWeek of 2021-04-01: 1 negativeWeek of 2021-05-01: 40 positiveWeek of 2021-05-01: 2 negativeWeek of 2021-06-01: 92 positiveWeek of 2021-06-01: 7 negativeWeek of 2021-07-01: 191 positiveWeek of 2021-07-01: 3 negativeWeek of 2021-08-01: 104 positiveWeek of 2021-08-01: 4 negativeWeek of 2021-09-01: 82 positiveWeek of 2021-09-01: 3 negativeWeek of 2021-10-01: 69 positiveWeek of 2021-10-01: 5 negativeWeek of 2021-11-01: 58 positiveWeek of 2021-11-01: 5 negativeWeek of 2021-12-01: 64 positiveWeek of 2021-12-01: 2 negativeWeek of 2022-01-01: 88 positiveWeek of 2022-01-01: 3 negativeWeek of 2022-02-01: 43 positiveWeek of 2022-03-01: 50 positiveWeek of 2022-03-01: 7 negativeWeek of 2022-04-01: 41 positiveWeek of 2022-04-01: 3 negativeWeek of 2022-05-01: 69 positiveWeek of 2022-05-01: 4 negativeWeek of 2022-06-01: 47 positiveWeek of 2022-06-01: 2 negativeWeek of 2022-07-01: 48 positiveWeek of 2022-07-01: 3 negativeWeek of 2022-08-01: 43 positiveWeek of 2022-08-01: 3 negativeWeek of 2022-09-01: 39 positiveWeek of 2022-09-01: 4 negativeWeek of 2022-10-01: 40 positiveWeek of 2022-10-01: 1 negativeWeek of 2022-11-01: 41 positiveWeek of 2022-11-01: 5 negativeWeek of 2022-12-01: 53 positiveWeek of 2022-12-01: 7 negativeWeek of 2023-01-01: 69 positiveWeek of 2023-01-01: 2 negativeWeek of 2023-02-01: 28 positiveWeek of 2023-02-01: 2 negativeWeek of 2023-03-01: 59 positiveWeek of 2023-03-01: 4 negativeWeek of 2023-04-01: 31 positiveWeek of 2023-04-01: 5 negativeWeek of 2023-05-01: 37 positiveWeek of 2023-05-01: 6 negativeWeek of 2023-06-01: 24 positiveWeek of 2023-06-01: 5 negativeWeek of 2023-07-01: 70 positiveWeek of 2023-07-01: 4 negativeWeek of 2023-08-01: 88 positiveWeek of 2023-08-01: 5 negativeWeek of 2023-09-01: 32 positiveWeek of 2023-09-01: 6 negativeWeek of 2023-10-01: 29 positiveWeek of 2023-10-01: 3 negativeWeek of 2023-11-01: 48 positiveWeek of 2023-11-01: 1 negativeWeek of 2023-12-01: 62 positiveWeek of 2023-12-01: 7 negativeWeek of 2024-01-01: 78 positiveWeek of 2024-01-01: 5 negativeWeek of 2024-02-01: 49 positiveWeek of 2024-02-01: 4 negativeWeek of 2024-03-01: 45 positiveWeek of 2024-03-01: 6 negativeWeek of 2024-04-01: 21 positiveWeek of 2024-04-01: 7 negativeWeek of 2024-05-01: 46 positiveWeek of 2024-05-01: 10 negativeWeek of 2024-06-01: 28 positiveWeek of 2024-06-01: 4 negativeWeek of 2024-07-01: 56 positiveWeek of 2024-07-01: 7 negativeWeek of 2024-08-01: 43 positiveWeek of 2024-08-01: 2 negativeWeek of 2024-09-01: 30 positiveWeek of 2024-09-01: 2 negativeWeek of 2024-10-01: 27 positiveWeek of 2024-10-01: 4 negativeWeek of 2024-11-01: 25 positiveWeek of 2024-12-01: 35 positiveWeek of 2024-12-01: 1 negativeWeek of 2025-01-01: 36 positiveWeek of 2025-01-01: 3 negativeWeek of 2025-02-01: 24 positiveWeek of 2025-02-01: 1 negativeWeek of 2025-03-01: 61 positiveWeek of 2025-03-01: 9 negativeWeek of 2025-04-01: 45 positiveWeek of 2025-04-01: 4 negativeWeek of 2025-05-01: 36 positiveWeek of 2025-05-01: 1 negativeWeek of 2025-06-01: 39 positiveWeek of 2025-06-01: 1 negativeWeek of 2025-07-01: 54 positiveWeek of 2025-07-01: 6 negativeWeek of 2025-08-01: 45 positiveWeek of 2025-08-01: 3 negativeWeek of 2025-09-01: 27 positiveWeek of 2025-09-01: 4 negativeWeek of 2025-10-01: 52 positiveWeek of 2025-10-01: 6 negativeWeek of 2025-11-01: 36 positiveWeek of 2025-11-01: 2 negativeWeek of 2025-12-01: 41 positiveWeek of 2025-12-01: 3 negativeWeek of 2026-01-01: 88 positiveWeek of 2026-01-01: 15 negativeWeek of 2026-02-01: 38 positiveWeek of 2026-02-01: 4 negativeWeek of 2026-03-01: 36 positiveWeek of 2026-03-01: 3 negativeWeek of 2026-04-01: 31 positiveWeek of 2026-04-01: 6 negativeWeek of 2026-05-01: 47 positiveWeek of 2026-05-01: 5 negativeWeek of 2026-06-01: 28 positiveWeek of 2026-06-01: 2 negativeWeek of 2026-07-01: 62 positiveWeek of 2026-07-01: 5 negativeWeek of 2026-08-01: 27 positiveWeek of 2026-08-01: 6 negative
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Players online

3242026-08-11 19:00 — 9 players2026-08-12 10:00 — 12 players2026-08-13 02:00 — 7 players2026-08-13 18:00 — 8 players2026-08-14 10:00 — 19 players2026-08-15 02:00 — 15 players2026-08-15 17:00 — 19 players2026-08-16 09:00 — 24 players2026-08-17 01:00 — 13 players2026-08-17 17:00 — 10 players2026-08-18 09:00 — 13 players2026-08-19 01:00 — 10 players2026-08-19 16:00 — 19 players2026-08-20 22:00 — 4 players2026-08-21 14:00 — 25 players2026-08-22 06:00 — 21 players2026-08-22 22:00 — 11 players2026-08-23 13:00 — 32 players2026-08-24 05:00 — 7 players2026-08-24 21:00 — 10 players2026-08-25 13:00 — 26 players2026-08-26 05:00 — 5 players2026-08-26 21:00 — 6 players2026-08-27 13:00 — 29 players2026-08-28 05:00 — 7 players2026-08-28 21:00 — 4 players2026-08-29 12:00 — 20 players2026-08-30 04:00 — 18 players
Concurrent players, hourly average, last 30 days (census samples).

Price history

$4.99$0.992020-03-032026-07-092020-03-03 — best price $3.992020-05-06 — best price $4.992020-06-25 — best price $3.492020-09-19 — best price $4.992020-11-09 — best price $3.492020-12-01 — best price $4.992021-01-07 — best price $4.992021-02-15 — best price $4.992021-04-29 — best price $3.492021-06-07 — best price $4.992021-06-23 — best price $0.992021-06-28 — best price $0.992021-07-08 — best price $4.992021-08-28 — best price $4.992021-10-28 — best price $2.992021-12-01 — best price $4.992022-01-10 — best price $3.992022-02-03 — best price $4.992022-05-21 — best price $2.492022-07-07 — best price $4.992022-09-26 — best price $2.492022-11-29 — best price $4.992023-03-10 — best price $2.492023-03-23 — best price $4.992023-06-29 — best price $2.492023-08-14 — best price $4.992023-10-26 — best price $2.792023-11-28 — best price $4.992024-01-29 — best price $2.492024-03-21 — best price $4.992024-06-27 — best price $1.492024-11-04 — best price $4.992024-12-20 — best price $2.992025-03-10 — best price $4.992025-06-26 — best price $1.992025-10-06 — best price $4.992025-12-18 — best price $2.242026-01-19 — best price $4.992026-05-08 — best price $2.492026-07-09 — best price $4.99
Lowest recorded price across tracked stores, per day (census snapshots).

Completion

6
achievements tracked
59.3%
earned "Return to Shironagasu Island"
40.2%
median achievement earned by

Global achievement rates from Steam.

Details

WindowsmacOSSingle-playerSteam AchievementsSteam Trading CardsSteam CloudFamily Sharing3 DLC

11 supported languages: Simplified Chinese, Japanese, English, Korean, Spanish - Spain, Spanish - Latin America, German, Polish, French, Traditional Chinese, Russian

Console footprint

PlatformPlayers trackedCompletionTrophies/achievements
Steam (Steam)95058%6
Switch (Nintendo)220%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

AnimeDramaHorrorSci-fiMysteryThrillerAdventureDetectiveStory RichAtmospheric

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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