The Game Census
My Koi cover art

My Koi

Sakana Studios · 2020-07-15

Steam

CasualIndieSimulation

Modes: Single player

Releases: May 04, 2016 (iOS), Jul 16, 2020 (PC (Microsoft Windows))

My Koi, number 1 hit on the Mac App Store (Games), is a beautiful and relaxing fish pond app. Customise and name each fish. Feed them daily. Watch them grow. Collect new fish. Escape and Relax.

My Koi is a 2020 Casual, Indie, and Simulation game priced at $4.99, with an estimated 50,000 to 100,000 owners and a Very Positive review sentiment (94% of 693 reviews).

3
playing now
94%
positive of 693 reviews
Very Positive
steam's rating (official)
50,000–100,000
owners (SteamSpy est.)
platinum
deck/linux tier (ProtonDB)
Playable
Steam Deck (Valve)
SteamOS: Playable
$4.99
steam price (US)

3 players in-game as of 2026-10-15 09:00 UTC (census sample)

Health check

Quiet
  • · 3 players in-game at the last census sample.
  • · 17 reviews in the last 8 weeks (~2/week).
  • · Review velocity down 15% vs the prior 8 weeks.
  • · Current weekly pace is under 5% of the all-time peak week (155 reviews).
  • · Top 10% of 29,785 Casual games in the census by review count.

Health tier since 2026-08-31

Estimated sales: 14k–31k copies

Review-multiple estimate from 693 total reviews — how this is computed.

All-time low: $2.49 at Steam (2021-04-02)via IsThereAnyDeal

12-month high $4.99 · on sale 3 of 6 observed days (census price snapshots)

Review momentum

PositiveNegative
14514520202026Week of 2020-07-01: 145 positiveWeek of 2020-07-01: 10 negativeWeek of 2020-08-01: 47 positiveWeek of 2020-08-01: 4 negativeWeek of 2020-09-01: 20 positiveWeek of 2020-09-01: 2 negativeWeek of 2020-10-01: 15 positiveWeek of 2020-10-01: 3 negativeWeek of 2020-11-01: 108 positiveWeek of 2020-11-01: 2 negativeWeek of 2020-12-01: 21 positiveWeek of 2020-12-01: 3 negativeWeek of 2021-01-01: 13 positiveWeek of 2021-01-01: 1 negativeWeek of 2021-02-01: 9 positiveWeek of 2021-03-01: 5 positiveWeek of 2021-04-01: 15 positiveWeek of 2021-04-01: 1 negativeWeek of 2021-05-01: 9 positiveWeek of 2021-05-01: 2 negativeWeek of 2021-06-01: 8 positiveWeek of 2021-06-01: 1 negativeWeek of 2021-07-01: 13 positiveWeek of 2021-08-01: 8 positiveWeek of 2021-08-01: 1 negativeWeek of 2021-09-01: 2 positiveWeek of 2021-10-01: 4 positiveWeek of 2021-10-01: 1 negativeWeek of 2021-11-01: 5 positiveWeek of 2021-12-01: 7 positiveWeek of 2021-12-01: 1 negativeWeek of 2022-01-01: 8 positiveWeek of 2022-02-01: 3 positiveWeek of 2022-02-01: 1 negativeWeek of 2022-03-01: 18 positiveWeek of 2022-04-01: 9 positiveWeek of 2022-04-01: 2 negativeWeek of 2022-05-01: 8 positiveWeek of 2022-05-01: 1 negativeWeek of 2022-06-01: 7 positiveWeek of 2022-07-01: 6 positiveWeek of 2022-08-01: 4 positiveWeek of 2022-10-01: 2 positiveWeek of 2022-11-01: 8 positiveWeek of 2022-12-01: 4 positiveWeek of 2022-12-01: 2 negativeWeek of 2023-01-01: 2 positiveWeek of 2023-01-01: 1 negativeWeek of 2023-03-01: 4 positiveWeek of 2023-03-01: 1 negativeWeek of 2023-04-01: 4 positiveWeek of 2023-05-01: 2 positiveWeek of 2023-06-01: 3 positiveWeek of 2023-07-01: 2 positiveWeek of 2023-08-01: 1 positiveWeek of 2023-09-01: 1 positiveWeek of 2023-11-01: 1 positiveWeek of 2023-12-01: 4 positiveWeek of 2024-01-01: 3 positiveWeek of 2024-01-01: 1 negativeWeek of 2024-02-01: 1 positiveWeek of 2024-03-01: 3 positiveWeek of 2024-04-01: 2 positiveWeek of 2024-05-01: 1 positiveWeek of 2024-06-01: 4 positiveWeek of 2024-06-01: 1 negativeWeek of 2024-07-01: 5 positiveWeek of 2024-08-01: 6 positiveWeek of 2024-09-01: 4 positiveWeek of 2024-10-01: 1 positiveWeek of 2024-11-01: 2 positiveWeek of 2025-01-01: 1 positiveWeek of 2025-02-01: 2 positiveWeek of 2025-02-01: 1 negativeWeek of 2025-03-01: 4 positiveWeek of 2025-05-01: 3 positiveWeek of 2025-07-01: 3 positiveWeek of 2025-10-01: 4 positiveWeek of 2025-11-01: 5 positiveWeek of 2025-12-01: 2 positiveWeek of 2026-01-01: 3 positiveWeek of 2026-02-01: 2 positiveWeek of 2026-02-01: 1 negativeWeek of 2026-03-01: 1 positiveWeek of 2026-04-01: 1 positiveWeek of 2026-06-01: 1 positiveWeek of 2026-07-01: 1 positiveWeek of 2026-08-01: 2 positive
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Players online

502026-09-16 11:00 — 4 players2026-09-17 19:00 — 3 players2026-09-19 02:00 — 1 players2026-09-20 10:00 — 3 players2026-09-21 17:00 — 1 players2026-09-23 01:00 — 3 players2026-09-24 08:00 — 2 players2026-09-25 16:00 — 3 players2026-09-26 23:00 — 2 players2026-09-28 07:00 — 1 players2026-09-29 14:00 — 3 players2026-09-30 22:00 — 1 players2026-10-02 05:00 — 0 players2026-10-03 13:00 — 2 players2026-10-04 21:00 — 1 players2026-10-06 05:00 — 3 players2026-10-07 12:00 — 2 players2026-10-08 20:00 — 0 players2026-10-10 03:00 — 1 players2026-10-11 11:00 — 4 players2026-10-12 18:00 — 1 players2026-10-14 02:00 — 1 players2026-10-15 09:00 — 3 players
Concurrent players, hourly average, last 30 days (census samples).

Price history

$4.99$2.492020-07-152026-03-262020-07-15 — best price $2.992020-10-29 — best price $3.342020-11-25 — best price $3.342020-12-22 — best price $3.342021-02-11 — best price $3.342021-04-02 — best price $2.492021-06-24 — best price $2.992021-10-28 — best price $3.242021-11-24 — best price $3.242021-12-22 — best price $2.992022-01-27 — best price $3.342022-04-04 — best price $4.992022-07-07 — best price $4.992022-11-29 — best price $4.992023-01-05 — best price $4.992023-03-23 — best price $4.992023-07-13 — best price $4.992023-11-28 — best price $4.992024-01-04 — best price $4.992024-03-21 — best price $4.992024-07-11 — best price $4.992024-12-04 — best price $4.992025-01-02 — best price $4.992025-03-20 — best price $4.992025-07-10 — best price $4.992025-10-06 — best price $4.992025-11-17 — best price $4.992026-01-05 — best price $4.992026-03-26 — best price $4.99
Lowest recorded price across tracked stores, per day (census snapshots).

Details

WindowsSingle-playerFamily Sharing

9 supported languages: English, French, Italian, German, Spanish - Spain, Japanese, Russian, Simplified Chinese, Traditional Chinese

Player tags

3DIndieCasualNatureLife SimRelaxingBeautifulRealisticSimulationUnderwater

Census log

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

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Similarity via IGDB.

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