The Game Census
Island Diary cover art

Island Diary

watakubi · Sekai Project · 2021-07-02

Steam

Indie

Modes: Single player

Releases: Jul 02, 2021 (PC (Microsoft Windows))

Let's work together to survive on the deserted island!

96%
positive of 137 reviews
Very Positive
steam's rating (official)
0–20,000
owners (SteamSpy est.)
platinum
deck/linux tier (ProtonDB)
Playable
Steam Deck (Valve)
SteamOS: Playable
$16.99
steam price (US)

Health check

Quiet
  • · 19 reviews in the last 8 weeks (~2/week).
  • · Review velocity up 73% vs the prior 8 weeks.
  • · Top 42% of 31,008 Indie games in the census by review count.
Estimated sales: 2.7k–6.2k copies

Review-multiple estimate from 137 total reviews — how this is computed.

Current store prices

lowest across shops (ITAD)$16.99

Deal snapshots via CheapShark, refreshed daily.

All-time low: $5.09 at Steam (2026-03-19) · bundled 1×via IsThereAnyDeal

12-month high $16.99 · on sale 7 of 14 observed days · $11.90 above the all-time low (census price snapshots)

Review momentum

PositiveNegative
232320212026Week of 2021-07-01: 23 positiveWeek of 2021-07-01: 2 negativeWeek of 2021-08-01: 4 positiveWeek of 2021-09-01: 2 positiveWeek of 2021-09-01: 1 negativeWeek of 2021-10-01: 2 positiveWeek of 2021-11-01: 5 positiveWeek of 2021-12-01: 4 positiveWeek of 2022-01-01: 2 positiveWeek of 2022-02-01: 3 positiveWeek of 2022-03-01: 2 positiveWeek of 2022-04-01: 1 positiveWeek of 2022-05-01: 1 positiveWeek of 2022-06-01: 3 positiveWeek of 2022-07-01: 6 positiveWeek of 2022-09-01: 2 positiveWeek of 2022-11-01: 2 positiveWeek of 2022-12-01: 1 positiveWeek of 2023-01-01: 2 positiveWeek of 2023-05-01: 1 positiveWeek of 2023-06-01: 1 positiveWeek of 2023-07-01: 1 positiveWeek of 2023-08-01: 3 positiveWeek of 2023-09-01: 1 positiveWeek of 2023-10-01: 3 positiveWeek of 2023-11-01: 2 positiveWeek of 2024-02-01: 1 positiveWeek of 2024-05-01: 3 positiveWeek of 2024-09-01: 1 positiveWeek of 2024-10-01: 1 positiveWeek of 2024-12-01: 1 positiveWeek of 2025-01-01: 2 positiveWeek of 2025-03-01: 1 positiveWeek of 2025-04-01: 1 negativeWeek of 2025-10-01: 1 positiveWeek of 2025-12-01: 3 positiveWeek of 2026-01-01: 1 positiveWeek of 2026-02-01: 3 positiveWeek of 2026-03-01: 6 positiveWeek of 2026-04-01: 1 positiveWeek of 2026-05-01: 1 positiveWeek of 2026-07-01: 6 positiveWeek of 2026-07-01: 1 negativeWeek of 2026-09-01: 1 positive
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Price history

$16.99$5.092021-07-032026-09-212021-07-03 — best price $15.292021-10-28 — best price $14.442021-11-06 — best price $14.442021-12-22 — best price $13.592022-01-27 — best price $12.742022-03-28 — best price $11.892022-09-12 — best price $10.192022-11-22 — best price $10.192022-12-23 — best price $10.192023-03-16 — best price $10.192023-04-03 — best price $11.892023-06-29 — best price $8.492023-08-07 — best price $8.492023-09-25 — best price $8.492023-11-21 — best price $8.492023-12-04 — best price $8.492023-12-21 — best price $10.192024-02-05 — best price $10.192024-03-14 — best price $8.492024-05-06 — best price $8.492024-06-27 — best price $8.492024-11-27 — best price $8.492024-12-19 — best price $8.492025-01-17 — best price $8.492025-03-03 — best price $8.492025-03-13 — best price $8.492025-06-26 — best price $8.492025-10-01 — best price $8.492025-11-10 — best price $8.492025-12-18 — best price $6.792026-02-12 — best price $6.792026-03-19 — best price $5.092026-06-25 — best price $5.092026-09-14 — best price $5.092026-09-21 — best price $16.99
Lowest recorded price across tracked stores, per day (census snapshots).

Completion

7
achievements tracked
70.1%
earned "Play in English"
47.4%
median achievement earned by

Global achievement rates from Steam.

Details

WindowsSingle-playerSteam AchievementsSteam CloudFamily Sharing

2 supported languages: English, Japanese

Player tags

2DCuteAnimeIndieCasualLinearNudityFantasyRomanceRelaxing

Census log

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

Players also track

Dominatrix Simulator: ThresholdSugar Lust Harem

Similarity via IGDB.

Discord ↗