The Game Census
Ecosystem cover art

Ecosystem

Tom Johnson · Slug Disco · 2024-11-08

SteamEpic Games Store

CasualIndieSimulationStrategy

Modes: Single player · Perspectives: Bird view / Isometric

Releases: Mar 16, 2021 (PC (Microsoft Windows))

Create virtual lifeforms whose development is shaped by a deep simulation of evolution. Guide them as they fight, mate, and adapt to the environment you have built. All the creatures in the trailer evolved on their own in the game!

Ecosystem is a Casual, Indie, Simulation, and Strategy game released in 2024, priced at $19.99, with a Mostly Positive review sentiment (77% of 631 reviews) and an estimated 20,000 .. 50,000 owners.

2
playing now
77%
positive of 639 reviews
Mostly Positive
steam's rating (official)
20,000–50,000
owners (SteamSpy est.)
5
Nexus mods (112 downloads)
gold
deck/linux tier (ProtonDB)
Playable
Steam Deck (Valve)
SteamOS: Playable
$19.99
steam price (US)

2 players in-game as of 2026-10-14 21:00 UTC (census sample)

Ecosystem isn't just a video game version of the laws of ecology with pre-made fish models. The simulation actually determines the creatures in the game: their bodies, how they swim, and how they think and behave. All the creatures in the trailer evolved on their own in the game; none were hand-edited! Virtual creatures evolve on their own to adapt to an environment you create At Ecosystem's heart are evolving virtual lifeforms, who grow from synthetic DNA and live in a physically-simulated ocean. This synthetic DNA encodes everything about a creature, from skeletal structure to skin, from jo(Storyline via IGDB)

Health check

Quietly active
  • · 2 players in-game at the last census sample.
  • · 60 reviews in the last 8 weeks (~8/week).
  • · Review velocity up 13% vs the prior 8 weeks.
  • · Top 11% of 29,044 Casual games in the census by review count.
Estimated sales: 13k–29k copies

Review-multiple estimate from 639 total reviews — how this is computed.

All-time low: $6.99 at Fanatical (2026-08-06)via IsThereAnyDeal

12-month high $19.99 · on sale 36 of 48 observed days (census price snapshots)

Review momentum

PositiveNegative
808020212026Week of 2021-03-01: 80 positiveWeek of 2021-03-01: 10 negativeWeek of 2021-04-01: 21 positiveWeek of 2021-04-01: 6 negativeWeek of 2021-05-01: 14 positiveWeek of 2021-05-01: 3 negativeWeek of 2021-06-01: 10 positiveWeek of 2021-06-01: 4 negativeWeek of 2021-07-01: 2 positiveWeek of 2021-07-01: 1 negativeWeek of 2021-08-01: 12 positiveWeek of 2021-09-01: 6 positiveWeek of 2021-09-01: 2 negativeWeek of 2021-10-01: 7 positiveWeek of 2021-10-01: 3 negativeWeek of 2021-11-01: 8 positiveWeek of 2021-11-01: 1 negativeWeek of 2021-12-01: 5 positiveWeek of 2022-01-01: 3 positiveWeek of 2022-01-01: 2 negativeWeek of 2022-02-01: 3 positiveWeek of 2022-02-01: 1 negativeWeek of 2022-03-01: 4 positiveWeek of 2022-04-01: 6 positiveWeek of 2022-04-01: 4 negativeWeek of 2022-05-01: 5 positiveWeek of 2022-05-01: 1 negativeWeek of 2022-06-01: 8 positiveWeek of 2022-06-01: 3 negativeWeek of 2022-07-01: 11 positiveWeek of 2022-07-01: 2 negativeWeek of 2022-08-01: 3 positiveWeek of 2022-09-01: 2 positiveWeek of 2022-09-01: 1 negativeWeek of 2022-10-01: 1 positiveWeek of 2022-12-01: 5 positiveWeek of 2023-01-01: 3 positiveWeek of 2023-01-01: 2 negativeWeek of 2023-02-01: 4 positiveWeek of 2023-02-01: 1 negativeWeek of 2023-03-01: 5 positiveWeek of 2023-03-01: 4 negativeWeek of 2023-04-01: 8 positiveWeek of 2023-04-01: 1 negativeWeek of 2023-05-01: 1 positiveWeek of 2023-05-01: 1 negativeWeek of 2023-06-01: 3 positiveWeek of 2023-06-01: 1 negativeWeek of 2023-07-01: 10 positiveWeek of 2023-08-01: 7 positiveWeek of 2023-08-01: 1 negativeWeek of 2023-09-01: 2 positiveWeek of 2023-09-01: 1 negativeWeek of 2023-10-01: 4 positiveWeek of 2023-10-01: 1 negativeWeek of 2023-11-01: 2 positiveWeek of 2023-12-01: 4 positiveWeek of 2023-12-01: 1 negativeWeek of 2024-01-01: 8 positiveWeek of 2024-01-01: 1 negativeWeek of 2024-02-01: 4 positiveWeek of 2024-02-01: 2 negativeWeek of 2024-03-01: 8 positiveWeek of 2024-03-01: 5 negativeWeek of 2024-04-01: 9 positiveWeek of 2024-04-01: 5 negativeWeek of 2024-05-01: 7 positiveWeek of 2024-06-01: 8 positiveWeek of 2024-06-01: 2 negativeWeek of 2024-07-01: 9 positiveWeek of 2024-07-01: 1 negativeWeek of 2024-08-01: 5 positiveWeek of 2024-08-01: 1 negativeWeek of 2024-09-01: 1 positiveWeek of 2024-09-01: 2 negativeWeek of 2024-10-01: 5 positiveWeek of 2024-10-01: 4 negativeWeek of 2024-11-01: 43 positiveWeek of 2024-11-01: 15 negativeWeek of 2024-12-01: 9 positiveWeek of 2024-12-01: 3 negativeWeek of 2025-01-01: 9 positiveWeek of 2025-01-01: 5 negativeWeek of 2025-02-01: 3 positiveWeek of 2025-02-01: 3 negativeWeek of 2025-03-01: 6 positiveWeek of 2025-03-01: 1 negativeWeek of 2025-04-01: 3 positiveWeek of 2025-04-01: 1 negativeWeek of 2025-05-01: 6 positiveWeek of 2025-05-01: 5 negativeWeek of 2025-06-01: 2 positiveWeek of 2025-06-01: 3 negativeWeek of 2025-07-01: 6 positiveWeek of 2025-08-01: 7 positiveWeek of 2025-08-01: 6 negativeWeek of 2025-09-01: 2 positiveWeek of 2025-09-01: 3 negativeWeek of 2025-10-01: 2 positiveWeek of 2025-10-01: 3 negativeWeek of 2025-11-01: 4 positiveWeek of 2025-12-01: 3 positiveWeek of 2025-12-01: 2 negativeWeek of 2026-01-01: 8 positiveWeek of 2026-01-01: 1 negativeWeek of 2026-02-01: 5 positiveWeek of 2026-02-01: 1 negativeWeek of 2026-03-01: 7 positiveWeek of 2026-03-01: 1 negativeWeek of 2026-04-01: 10 positiveWeek of 2026-04-01: 3 negativeWeek of 2026-05-01: 4 positiveWeek of 2026-05-01: 2 negativeWeek of 2026-06-01: 5 positiveWeek of 2026-06-01: 2 negativeWeek of 2026-07-01: 4 positiveWeek of 2026-07-01: 2 negativeWeek of 2026-08-01: 1 positiveWeek of 2026-08-01: 1 negative
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Players online

1112026-09-15 07:00 — 7 players2026-09-16 15:00 — 2 players2026-09-17 22:00 — 6 players2026-09-19 06:00 — 1 players2026-09-20 13:00 — 5 players2026-09-21 21:00 — 7 players2026-09-23 05:00 — 3 players2026-09-24 12:00 — 4 players2026-09-25 20:00 — 3 players2026-09-27 03:00 — 4 players2026-09-28 11:00 — 3 players2026-09-29 18:00 — 3 players2026-10-01 02:00 — 3 players2026-10-02 09:00 — 6 players2026-10-03 17:00 — 11 players2026-10-05 01:00 — 6 players2026-10-06 08:00 — 4 players2026-10-07 16:00 — 1 players2026-10-08 23:00 — 2 players2026-10-10 07:00 — 5 players2026-10-11 14:00 — 4 players2026-10-12 22:00 — 7 players2026-10-14 06:00 — 3 players2026-10-14 21:00 — 2 players
Concurrent players, hourly average, last 30 days (census samples).
523Mar 2021Aug 2026Mar 2021 — avg 52 · peak 113May 2021 — avg 11 · peak 23Jul 2021 — avg 6 · peak 15Sep 2021 — avg 6 · peak 15Nov 2021 — avg 5 · peak 14Jan 2022 — avg 7 · peak 16Mar 2022 — avg 7 · peak 35May 2022 — avg 3 · peak 12Jul 2022 — avg 6 · peak 15Sep 2022 — avg 3 · peak 9Nov 2022 — avg 4 · peak 13Jan 2023 — avg 5 · peak 14Mar 2023 — avg 6 · peak 19May 2023 — avg 5 · peak 15Jul 2023 — avg 7 · peak 26Sep 2023 — avg 8 · peak 20Nov 2023 — avg 7 · peak 23Jan 2024 — avg 5 · peak 12Mar 2024 — avg 5 · peak 20May 2024 — avg 7 · peak 19Jul 2024 — avg 6 · peak 13Sep 2024 — avg 4 · peak 10Nov 2024 — avg 26 · peak 89Jan 2025 — avg 8 · peak 18Mar 2025 — avg 5 · peak 14May 2025 — avg 3 · peak 10Jul 2025 — avg 4 · peak 13Sep 2025 — avg 4 · peak 13Nov 2025 — avg 3 · peak 12Jan 2026 — avg 4 · peak 11Mar 2026 — avg 4 · peak 13May 2026 — avg 4 · peak 8Jul 2026 — avg 4 · peak 9Aug 2026 — avg 4 · peak 15
Monthly average players (source: steamcharts.com) — history via steamcharts.com; live census sampling since Aug 2026.

Price history

$19.99$6.992021-03-162026-09-292021-03-16 — best price $19.992022-04-04 — best price $19.992022-06-23 — best price $17.992022-09-19 — best price $19.992022-11-23 — best price $17.992023-01-05 — best price $19.992023-03-23 — best price $19.992023-06-01 — best price $17.992023-07-13 — best price $19.992023-09-04 — best price $15.992023-11-17 — best price $19.992023-12-17 — best price $15.992024-01-04 — best price $19.992024-03-14 — best price $15.992024-05-04 — best price $19.992024-06-27 — best price $15.992024-11-22 — best price $19.992024-12-19 — best price $13.992025-03-02 — best price $19.992025-04-01 — best price $13.992025-06-03 — best price $19.992025-08-02 — best price $9.992025-09-16 — best price $19.992025-10-06 — best price $19.992025-11-22 — best price $19.992025-12-18 — best price $8.392026-01-19 — best price $19.992026-02-20 — best price $10.002026-03-09 — best price $8.392026-03-26 — best price $19.992026-04-07 — best price $8.292026-04-24 — best price $19.992026-05-01 — best price $19.992026-05-18 — best price $16.262026-06-01 — best price $9.992026-06-13 — best price $16.572026-07-09 — best price $19.992026-07-23 — best price $7.992026-08-06 — best price $6.992026-09-29 — best price $19.99
Lowest recorded price across tracked stores, per day (census snapshots).

Details

WindowsSingle-playerSteam WorkshopSteam CloudFamily Sharing2 DLC

6 supported languages: English, French, German, Japanese, Simplified Chinese, Traditional Chinese

Post-launch support: 2 DLC released, first 2025-08-01 (Steam store data)

Player tags

NatureSci-fiFishingSandboxScienceGod GameLife SimRealisticAutomationColony Sim

Census log

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

Players also track

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Similarity via IGDB.

Official site ↗Discord ↗