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!

Return to Shironagasu Island is a 2020 Adventure game priced at $4.99, with 100,000 to 200,000 owners and a Very Positive review sentiment (94% of 4266 reviews).

38
playing now
94%
positive of 4.3k reviews
Very Positive
steam's rating (official)
100,000–200,000
owners (SteamSpy est.)
79/100
IGDB user rating (8 ratings)
13h
time to beat (IGDB)
platinum
deck/linux tier (ProtonDB)
Playable
Steam Deck (Valve)
SteamOS: Playable
$4.99
steam price (US)

38 players in-game as of 2026-10-14 14:00 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)

Trailer

Return to Shironagasu Island trailer thumbnail

Return to Shironagasu Island - Nintendo Switch - Trailer - Retail [Asia English]

≈5,694 YouTube results for this game's trailer search

Health check

Healthy
  • · 38 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 6% of 28,764 Adventure games in the census by review count.
Estimated sales: 85k–192k copies

Review-multiple estimate from 4,266 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 6 of 12 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

6802026-09-14 23:00 — 16 players2026-09-16 08:00 — 51 players2026-09-17 15:00 — 47 players2026-09-18 23:00 — 9 players2026-09-20 06:00 — 49 players2026-09-21 14:00 — 68 players2026-09-22 21:00 — 14 players2026-09-24 05:00 — 29 players2026-09-25 12:00 — 37 players2026-09-26 20:00 — 18 players2026-09-28 03:00 — 17 players2026-09-29 11:00 — 31 players2026-09-30 18:00 — 7 players2026-10-02 02:00 — 8 players2026-10-03 09:00 — 45 players2026-10-04 18:00 — 19 players2026-10-06 01:00 — 16 players2026-10-07 09:00 — 27 players2026-10-08 16:00 — 35 players2026-10-10 00:00 — 11 players2026-10-11 07:00 — 48 players2026-10-12 15:00 — 41 players2026-10-13 22:00 — 6 players2026-10-14 14:00 — 38 players
Concurrent players, hourly average, last 30 days (census samples).
626Mar 2020Aug 2026Mar 2020 — avg 14 · peak 62May 2020 — avg 9 · peak 34Jul 2020 — avg 15 · peak 54Sep 2020 — avg 12 · peak 43Nov 2020 — avg 17 · peak 54Jan 2021 — avg 19 · peak 75Mar 2021 — avg 12 · peak 54May 2021 — avg 13 · peak 52Jul 2021 — avg 62 · peak 256Sep 2021 — avg 20 · peak 62Nov 2021 — avg 16 · peak 62Jan 2022 — avg 27 · peak 81Mar 2022 — avg 14 · peak 50May 2022 — avg 23 · peak 75Jul 2022 — avg 21 · peak 57Sep 2022 — avg 12 · peak 37Nov 2022 — avg 14 · peak 53Jan 2023 — avg 35 · peak 110Mar 2023 — avg 27 · peak 92May 2023 — avg 18 · peak 53Jul 2023 — avg 23 · peak 62Sep 2023 — avg 17 · peak 56Nov 2023 — avg 19 · peak 69Jan 2024 — avg 22 · peak 75Mar 2024 — avg 19 · peak 69May 2024 — avg 18 · peak 72Jul 2024 — avg 22 · peak 61Sep 2024 — avg 12 · peak 45Nov 2024 — avg 12 · peak 39Jan 2025 — avg 13 · peak 34Mar 2025 — avg 17 · peak 57May 2025 — avg 12 · peak 33Jul 2025 — avg 15 · peak 51Sep 2025 — avg 8 · peak 29Nov 2025 — avg 16 · peak 48Jan 2026 — avg 30 · peak 129Mar 2026 — avg 13 · peak 38May 2026 — avg 20 · peak 69Jul 2026 — avg 21 · peak 68Aug 2026 — avg 16 · peak 41
Monthly average players (source: steamcharts.com) — history via steamcharts.com; live census sampling since Aug 2026.

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

Post-launch support: 3 DLC released, first 2021-06-05, latest 2023-08-04 (Steam store data)

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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