The Game Census
Space Simulation Toolkit cover art

Space Simulation Toolkit

Pavel Kudinov · 2020-06-05

Steam

IndieSimulationEarly Access

Modes: Single player · Perspectives: Bird view / Isometric

Releases: Jun 05, 2020 (PC (Microsoft Windows))

Physics sandbox game that uses a graphics card as a supercomputer. Change the laws of physics, design mechanisms, create A-Life worlds and inhabit them with living beings, experiment with evolution and AI.

Space Simulation Toolkit is a 2020 Indie, Simulation, and Early Access game priced at $24.99, with an estimated 100,000 to 200,000 owners and a Very Positive review sentiment (81% of 519 reviews).

7
playing now
81%
positive of 528 reviews
Very Positive
steam's rating (official)
100,000–200,000
owners (SteamSpy est.)
borked
deck/linux tier (ProtonDB)
Unsupported
Steam Deck (Valve)
SteamOS: Unsupported
$24.99
steam price (US)

7 players in-game as of 2026-10-15 07:00 UTC (census sample)

Health check

Quietly active
  • · 7 players in-game at the last census sample.
  • · 100 reviews in the last 8 weeks (~13/week).
  • · Review velocity up 28% vs the prior 8 weeks.
  • · Top 15% of 50,151 Indie games in the census by review count.
Estimated sales: 11k–24k copies

Review-multiple estimate from 528 total reviews — how this is computed.

All-time low: $9.99 at Steam (2020-06-05)via IsThereAnyDeal

12-month high $24.99 · on sale 10 of 20 observed days (census price snapshots)

Review momentum

PositiveNegative
303020202026Week of 2020-06-01: 3 positiveWeek of 2020-07-01: 2 positiveWeek of 2020-08-01: 1 positiveWeek of 2020-09-01: 9 positiveWeek of 2020-09-01: 2 negativeWeek of 2020-10-01: 4 positiveWeek of 2020-10-01: 2 negativeWeek of 2020-11-01: 4 positiveWeek of 2020-12-01: 2 positiveWeek of 2021-01-01: 2 positiveWeek of 2021-03-01: 4 positiveWeek of 2021-04-01: 4 positiveWeek of 2021-05-01: 2 positiveWeek of 2021-06-01: 2 positiveWeek of 2021-07-01: 1 negativeWeek of 2021-09-01: 1 positiveWeek of 2021-10-01: 2 positiveWeek of 2021-11-01: 1 positiveWeek of 2021-11-01: 1 negativeWeek of 2021-12-01: 1 positiveWeek of 2022-01-01: 2 positiveWeek of 2022-02-01: 2 positiveWeek of 2022-04-01: 1 positiveWeek of 2022-05-01: 2 positiveWeek of 2022-07-01: 1 negativeWeek of 2022-08-01: 2 positiveWeek of 2022-08-01: 1 negativeWeek of 2022-09-01: 3 positiveWeek of 2022-11-01: 1 positiveWeek of 2022-12-01: 6 positiveWeek of 2023-01-01: 2 positiveWeek of 2023-02-01: 1 positiveWeek of 2023-03-01: 1 positiveWeek of 2023-04-01: 1 positiveWeek of 2023-06-01: 1 positiveWeek of 2023-06-01: 2 negativeWeek of 2023-07-01: 2 positiveWeek of 2023-07-01: 1 negativeWeek of 2023-08-01: 4 negativeWeek of 2023-09-01: 1 positiveWeek of 2023-10-01: 2 positiveWeek of 2023-10-01: 1 negativeWeek of 2023-11-01: 2 positiveWeek of 2023-11-01: 2 negativeWeek of 2023-12-01: 5 positiveWeek of 2024-01-01: 30 positiveWeek of 2024-01-01: 8 negativeWeek of 2024-02-01: 19 positiveWeek of 2024-02-01: 8 negativeWeek of 2024-03-01: 17 positiveWeek of 2024-03-01: 7 negativeWeek of 2024-04-01: 7 positiveWeek of 2024-04-01: 4 negativeWeek of 2024-05-01: 8 positiveWeek of 2024-05-01: 3 negativeWeek of 2024-06-01: 12 positiveWeek of 2024-07-01: 6 positiveWeek of 2024-07-01: 2 negativeWeek of 2024-08-01: 4 positiveWeek of 2024-09-01: 6 positiveWeek of 2024-09-01: 4 negativeWeek of 2024-10-01: 7 positiveWeek of 2024-10-01: 3 negativeWeek of 2024-11-01: 8 positiveWeek of 2024-11-01: 5 negativeWeek of 2024-12-01: 18 positiveWeek of 2024-12-01: 12 negativeWeek of 2025-01-01: 15 positiveWeek of 2025-01-01: 5 negativeWeek of 2025-02-01: 2 positiveWeek of 2025-02-01: 4 negativeWeek of 2025-03-01: 13 positiveWeek of 2025-03-01: 1 negativeWeek of 2025-04-01: 15 positiveWeek of 2025-04-01: 3 negativeWeek of 2025-05-01: 4 positiveWeek of 2025-05-01: 2 negativeWeek of 2025-06-01: 8 positiveWeek of 2025-06-01: 1 negativeWeek of 2025-07-01: 6 positiveWeek of 2025-07-01: 1 negativeWeek of 2025-08-01: 6 positiveWeek of 2025-08-01: 2 negativeWeek of 2025-09-01: 6 positiveWeek of 2025-09-01: 1 negativeWeek of 2025-10-01: 8 positiveWeek of 2025-10-01: 3 negativeWeek of 2025-11-01: 9 positiveWeek of 2025-11-01: 3 negativeWeek of 2025-12-01: 15 positiveWeek of 2025-12-01: 3 negativeWeek of 2026-01-01: 14 positiveWeek of 2026-01-01: 3 negativeWeek of 2026-02-01: 7 positiveWeek of 2026-02-01: 1 negativeWeek of 2026-03-01: 9 positiveWeek of 2026-03-01: 5 negativeWeek of 2026-04-01: 5 positiveWeek of 2026-04-01: 1 negativeWeek of 2026-05-01: 6 positiveWeek of 2026-05-01: 2 negativeWeek of 2026-06-01: 15 positiveWeek of 2026-06-01: 3 negativeWeek of 2026-07-01: 7 positiveWeek of 2026-07-01: 4 negativeWeek of 2026-08-01: 5 positiveWeek of 2026-08-01: 1 negative
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Players online

2732026-09-15 17:00 — 20 players2026-09-17 01:00 — 22 players2026-09-18 08:00 — 9 players2026-09-19 16:00 — 27 players2026-09-20 23:00 — 21 players2026-09-22 07:00 — 7 players2026-09-23 15:00 — 8 players2026-09-24 22:00 — 18 players2026-09-26 06:00 — 7 players2026-09-27 13:00 — 16 players2026-09-28 21:00 — 11 players2026-09-30 04:00 — 11 players2026-10-01 12:00 — 9 players2026-10-02 19:00 — 11 players2026-10-04 03:00 — 13 players2026-10-05 11:00 — 7 players2026-10-06 18:00 — 13 players2026-10-08 02:00 — 11 players2026-10-09 09:00 — 3 players2026-10-10 17:00 — 18 players2026-10-12 01:00 — 11 players2026-10-13 08:00 — 4 players2026-10-14 16:00 — 11 players2026-10-15 07:00 — 7 players
Concurrent players, hourly average, last 30 days (census samples).
221Sep 2020Aug 2026Sep 2020 — avg 2 · peak 12Apr 2021 — avg 1 · peak 5Sep 2021 — avg 2 · peak 7Feb 2022 — avg 1 · peak 5Apr 2022 — avg 2 · peak 6Jun 2022 — avg 1 · peak 5Sep 2022 — avg 2 · peak 5Nov 2022 — avg 2 · peak 7Jan 2023 — avg 2 · peak 7Mar 2023 — avg 2 · peak 5May 2023 — avg 2 · peak 5Jul 2023 — avg 3 · peak 14Sep 2023 — avg 2 · peak 6Nov 2023 — avg 2 · peak 7Jan 2024 — avg 22 · peak 71Mar 2024 — avg 17 · peak 40May 2024 — avg 9 · peak 22Jul 2024 — avg 8 · peak 24Sep 2024 — avg 8 · peak 20Nov 2024 — avg 12 · peak 41Jan 2025 — avg 12 · peak 36Mar 2025 — avg 8 · peak 20May 2025 — avg 11 · peak 30Jul 2025 — avg 10 · peak 25Sep 2025 — avg 10 · peak 26Nov 2025 — avg 18 · peak 51Jan 2026 — avg 16 · peak 41Mar 2026 — avg 9 · peak 24May 2026 — avg 9 · peak 22Jul 2026 — avg 8 · peak 19Aug 2026 — avg 10 · peak 24
Monthly average players (source: steamcharts.com) — history via steamcharts.com; live census sampling since Aug 2026.

Price history

$34.99$9.992020-06-052026-09-292020-06-05 — best price $9.992021-04-08 — best price $14.992021-10-06 — best price $19.992021-12-01 — best price $14.992022-01-30 — best price $10.492022-04-22 — best price $14.992022-11-22 — best price $10.492023-01-05 — best price $14.992023-03-16 — best price $10.492023-07-13 — best price $14.992023-12-06 — best price $19.992024-02-08 — best price $13.992024-03-21 — best price $19.992024-05-09 — best price $13.992024-07-25 — best price $19.992024-10-09 — best price $13.992024-12-18 — best price $19.992025-01-20 — best price $13.992025-04-03 — best price $19.992025-06-16 — best price $13.992025-07-15 — best price $34.992025-08-12 — best price $29.992025-09-25 — best price $19.992025-10-25 — best price $13.992025-12-09 — best price $17.492026-02-05 — best price $24.992026-03-19 — best price $17.492026-05-01 — best price $24.992026-06-25 — best price $17.492026-08-07 — best price $24.992026-09-29 — best price $24.99
Lowest recorded price across tracked stores, per day (census snapshots).

Details

WindowsSingle-playerSteam WorkshopFamily Sharing

1 supported languages: English

Player tags

2D1980sIndieSpacePhysicsSandboxEducationSpace SimRogue-liteSimulation

Census log

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

Recent updates

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Similarity via IGDB.

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