The Game Census
Mars Horizon cover art

Mars Horizon

Auroch Digital · 2020-11-17

SteamGOGPlayStation StoreEpic Games StoreMicrosoft Store

IndieSimulationStrategy

Modes: Single player

Releases: Feb 19, 2021 (Mac), Nov 17, 2020 (Xbox One), Nov 17, 2020 (PlayStation 4), Nov 17, 2020 (Nintendo Switch), Nov 17, 2020 (PC (Microsoft Windows))

Lead a major space agency as you guide humanity to Mars in this strategy simulation game. Construct a base, design and build rockets, conduct missions throughout the Solar System, and write your own history of Space exploration. Created with support from the European Space Agency.

Mars Horizon is an Indie, Simulation, and Strategy game released in 2020, priced at $19.99, with an owner estimate of 200,000 .. 500,000 and a Very Positive review sentiment (84% of 3097 reviews).

3
playing now
84%
positive of 3.1k reviews
Very Positive
steam's rating (official)
200,000–500,000
owners (SteamSpy est.)
80/100
critic score (1 outlets, IGDB)
80/100
IGDB user rating (6 ratings)
10
Nexus mods (2.3k downloads)
4.15★
PlayStation Store rating (330 ratings)
platinum
deck/linux tier (ProtonDB)
Playable
Steam Deck (Valve)
SteamOS: Playable
$19.99
steam price (US)

3 players in-game as of 2026-10-15 05:00 UTC (census sample)

Mars Horizon is a 2020 video game by Auroch Digital about the Space Race and exploration of space in general, including the proposed first crewed mission to Mars.

Trailer

Mars Horizon trailer thumbnail

Mars Horizon - Launch Trailer I PS4

≈1,000,000 YouTube results for this game's trailer search

Health check

Quietly active
  • · 3 players in-game at the last census sample.
  • · 61 reviews in the last 8 weeks (~8/week).
  • · Review velocity down 13% vs the prior 8 weeks.
  • · Current weekly pace is under 5% of the all-time peak week (924 reviews).
  • · Top 5% of 50,052 Indie games in the census by review count.

Health tier since 2026-08-27

Estimated sales: 62k–139k copies

Review-multiple estimate from 3,097 total reviews — how this is computed.

Current store prices

Microsoft Store$15.99-20%
GOG$16.99-15%

Deal snapshots via CheapShark, refreshed daily.

All-time low: $4.87 at GamesPlanet UK (2023-10-13) · bundled 2×via IsThereAnyDeal

12-month high $19.99 · on sale 60 of 81 observed days · $11.12 above the all-time low (census price snapshots)

Review momentum

PositiveNegative
80080020202026Week of 2020-11-01: 800 positiveWeek of 2020-11-01: 124 negativeWeek of 2020-12-01: 220 positiveWeek of 2020-12-01: 48 negativeWeek of 2021-01-01: 87 positiveWeek of 2021-01-01: 24 negativeWeek of 2021-02-01: 55 positiveWeek of 2021-02-01: 7 negativeWeek of 2021-03-01: 68 positiveWeek of 2021-03-01: 14 negativeWeek of 2021-04-01: 36 positiveWeek of 2021-04-01: 7 negativeWeek of 2021-05-01: 38 positiveWeek of 2021-05-01: 7 negativeWeek of 2021-06-01: 46 positiveWeek of 2021-06-01: 10 negativeWeek of 2021-07-01: 76 positiveWeek of 2021-07-01: 6 negativeWeek of 2021-08-01: 59 positiveWeek of 2021-08-01: 21 negativeWeek of 2021-09-01: 10 positiveWeek of 2021-09-01: 4 negativeWeek of 2021-10-01: 24 positiveWeek of 2021-10-01: 7 negativeWeek of 2021-11-01: 37 positiveWeek of 2021-11-01: 6 negativeWeek of 2021-12-01: 23 positiveWeek of 2021-12-01: 3 negativeWeek of 2022-01-01: 46 positiveWeek of 2022-01-01: 5 negativeWeek of 2022-02-01: 18 positiveWeek of 2022-02-01: 3 negativeWeek of 2022-03-01: 16 positiveWeek of 2022-03-01: 2 negativeWeek of 2022-04-01: 18 positiveWeek of 2022-04-01: 2 negativeWeek of 2022-05-01: 15 positiveWeek of 2022-05-01: 3 negativeWeek of 2022-06-01: 25 positiveWeek of 2022-06-01: 5 negativeWeek of 2022-07-01: 26 positiveWeek of 2022-07-01: 5 negativeWeek of 2022-08-01: 16 positiveWeek of 2022-08-01: 8 negativeWeek of 2022-09-01: 15 positiveWeek of 2022-09-01: 2 negativeWeek of 2022-10-01: 8 positiveWeek of 2022-10-01: 1 negativeWeek of 2022-11-01: 13 positiveWeek of 2022-11-01: 2 negativeWeek of 2022-12-01: 25 positiveWeek of 2022-12-01: 3 negativeWeek of 2023-01-01: 17 positiveWeek of 2023-01-01: 4 negativeWeek of 2023-02-01: 60 positiveWeek of 2023-02-01: 18 negativeWeek of 2023-03-01: 27 positiveWeek of 2023-03-01: 10 negativeWeek of 2023-04-01: 45 positiveWeek of 2023-04-01: 2 negativeWeek of 2023-05-01: 15 positiveWeek of 2023-05-01: 4 negativeWeek of 2023-06-01: 14 positiveWeek of 2023-06-01: 4 negativeWeek of 2023-07-01: 32 positiveWeek of 2023-07-01: 4 negativeWeek of 2023-08-01: 11 positiveWeek of 2023-08-01: 2 negativeWeek of 2023-09-01: 22 positiveWeek of 2023-09-01: 9 negativeWeek of 2023-10-01: 10 positiveWeek of 2023-10-01: 1 negativeWeek of 2023-11-01: 15 positiveWeek of 2023-11-01: 1 negativeWeek of 2023-12-01: 15 positiveWeek of 2023-12-01: 3 negativeWeek of 2024-01-01: 20 positiveWeek of 2024-01-01: 2 negativeWeek of 2024-02-01: 13 positiveWeek of 2024-02-01: 2 negativeWeek of 2024-03-01: 13 positiveWeek of 2024-03-01: 3 negativeWeek of 2024-04-01: 6 positiveWeek of 2024-04-01: 1 negativeWeek of 2024-05-01: 4 positiveWeek of 2024-05-01: 2 negativeWeek of 2024-06-01: 11 positiveWeek of 2024-06-01: 3 negativeWeek of 2024-07-01: 12 positiveWeek of 2024-07-01: 3 negativeWeek of 2024-08-01: 11 positiveWeek of 2024-08-01: 4 negativeWeek of 2024-09-01: 19 positiveWeek of 2024-09-01: 2 negativeWeek of 2024-10-01: 8 positiveWeek of 2024-11-01: 7 positiveWeek of 2024-11-01: 4 negativeWeek of 2024-12-01: 6 positiveWeek of 2024-12-01: 1 negativeWeek of 2025-01-01: 8 positiveWeek of 2025-01-01: 2 negativeWeek of 2025-02-01: 15 positiveWeek of 2025-02-01: 1 negativeWeek of 2025-03-01: 17 positiveWeek of 2025-03-01: 2 negativeWeek of 2025-04-01: 2 positiveWeek of 2025-04-01: 1 negativeWeek of 2025-05-01: 5 positiveWeek of 2025-06-01: 7 positiveWeek of 2025-07-01: 17 positiveWeek of 2025-07-01: 2 negativeWeek of 2025-08-01: 9 positiveWeek of 2025-08-01: 1 negativeWeek of 2025-09-01: 5 positiveWeek of 2025-10-01: 11 positiveWeek of 2025-10-01: 5 negativeWeek of 2025-11-01: 5 positiveWeek of 2025-12-01: 6 positiveWeek of 2026-01-01: 9 positiveWeek of 2026-02-01: 9 positiveWeek of 2026-02-01: 1 negativeWeek of 2026-03-01: 7 positiveWeek of 2026-04-01: 4 positiveWeek of 2026-04-01: 2 negativeWeek of 2026-05-01: 4 positiveWeek of 2026-06-01: 1 positiveWeek of 2026-06-01: 1 negativeWeek of 2026-07-01: 15 positiveWeek of 2026-07-01: 2 negativeWeek of 2026-08-01: 5 positive
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Players online

2032026-09-15 14:00 — 5 players2026-09-16 22:00 — 3 players2026-09-18 06:00 — 9 players2026-09-19 13:00 — 14 players2026-09-20 21:00 — 18 players2026-09-22 04:00 — 7 players2026-09-23 12:00 — 9 players2026-09-24 19:00 — 13 players2026-09-26 03:00 — 9 players2026-09-27 10:00 — 11 players2026-09-28 18:00 — 12 players2026-09-30 01:00 — 10 players2026-10-01 09:00 — 7 players2026-10-02 16:00 — 16 players2026-10-04 00:00 — 12 players2026-10-05 08:00 — 6 players2026-10-06 16:00 — 13 players2026-10-07 23:00 — 11 players2026-10-09 07:00 — 11 players2026-10-10 14:00 — 12 players2026-10-11 22:00 — 12 players2026-10-13 05:00 — 4 players2026-10-14 13:00 — 9 players2026-10-15 05:00 — 3 players
Concurrent players, hourly average, last 30 days (census samples).
1.1k12Nov 2020Aug 2026Nov 2020 — avg 1,110 · peak 2,455Jan 2021 — avg 112 · peak 295Mar 2021 — avg 71 · peak 202May 2021 — avg 56 · peak 140Jul 2021 — avg 67 · peak 194Sep 2021 — avg 28 · peak 65Nov 2021 — avg 50 · peak 120Jan 2022 — avg 73 · peak 184Mar 2022 — avg 32 · peak 102May 2022 — avg 27 · peak 68Jul 2022 — avg 32 · peak 69Sep 2022 — avg 24 · peak 61Nov 2022 — avg 24 · peak 64Jan 2023 — avg 28 · peak 76Mar 2023 — avg 37 · peak 111May 2023 — avg 19 · peak 40Jul 2023 — avg 46 · peak 207Sep 2023 — avg 26 · peak 82Nov 2023 — avg 35 · peak 119Jan 2024 — avg 31 · peak 68Mar 2024 — avg 28 · peak 70May 2024 — avg 22 · peak 54Jul 2024 — avg 31 · peak 104Sep 2024 — avg 27 · peak 77Nov 2024 — avg 28 · peak 103Jan 2025 — avg 21 · peak 54Mar 2025 — avg 21 · peak 57May 2025 — avg 13 · peak 29Jul 2025 — avg 37 · peak 169Sep 2025 — avg 17 · peak 48Nov 2025 — avg 16 · peak 37Jan 2026 — avg 16 · peak 47Mar 2026 — avg 13 · peak 29May 2026 — avg 17 · peak 42Jul 2026 — avg 25 · peak 90Aug 2026 — avg 15 · peak 46
Monthly average players (source: steamcharts.com) — history via steamcharts.com; live census sampling since Aug 2026.

Price history

$20.02$4.872020-11-172026-10-152020-11-17 — best price $17.882021-01-19 — best price $19.992021-03-13 — best price $15.992021-04-26 — best price $19.992021-06-22 — best price $13.992021-08-14 — best price $19.992021-10-02 — best price $17.582021-11-19 — best price $13.392021-12-21 — best price $19.992022-02-02 — best price $19.992022-03-24 — best price $11.992022-04-25 — best price $17.582022-06-23 — best price $8.092022-08-09 — best price $9.052022-09-28 — best price $9.992022-11-22 — best price $9.992022-12-24 — best price $7.792023-02-13 — best price $6.592023-03-28 — best price $6.592023-05-14 — best price $6.492023-06-28 — best price $6.412023-07-31 — best price $19.272023-09-12 — best price $19.992023-11-01 — best price $5.992023-12-11 — best price $5.992024-01-31 — best price $17.972024-03-23 — best price $5.802024-10-24 — best price $5.992025-07-30 — best price $13.492026-01-01 — best price $19.992026-05-20 — best price $19.992026-09-01 — best price $16.992026-09-16 — best price $16.992026-10-01 — best price $16.992026-10-15 — best price $15.99
Lowest recorded price across tracked stores, per day (census snapshots).

Attention

1802026-05-28 — 11 pageviews2026-06-01 — 12 pageviews2026-06-05 — 12 pageviews2026-06-09 — 6 pageviews2026-06-13 — 10 pageviews2026-06-17 — 11 pageviews2026-06-21 — 7 pageviews2026-06-25 — 4 pageviews2026-06-29 — 4 pageviews2026-07-03 — 11 pageviews2026-07-07 — 1 pageviews2026-07-11 — 12 pageviews2026-07-15 — 4 pageviews2026-07-19 — 7 pageviews2026-07-23 — 8 pageviews2026-07-27 — 10 pageviews2026-07-31 — 8 pageviews2026-08-04 — 5 pageviews2026-08-08 — 6 pageviews2026-08-12 — 10 pageviews2026-08-16 — 5 pageviews2026-08-20 — 6 pageviews2026-08-24 — 3 pageviews2026-08-28 — 10 pageviews2026-09-01 — 10 pageviews2026-09-05 — 1 pageviews2026-09-09 — 4 pageviews2026-09-13 — 10 pageviews2026-09-17 — 13 pageviews2026-09-21 — 14 pageviews2026-09-25 — 13 pageviews2026-09-29 — 6 pageviews2026-10-03 — 9 pageviews2026-10-07 — 16 pageviews2026-10-11 — 8 pageviews2026-10-14 — 18 pageviews
Daily Wikipedia pageviews (attention proxy, census-recorded).

Completion

60+
achievements tracked
85.9%
earned "Space Age"
28.6%
median achievement earned by

Global achievement rates from Steam.

Details

WindowsmacOSSingle-playerSteam AchievementsSteam Trading CardsAdjustable Text SizeCamera ComfortColor AlternativesCustom Volume ControlsAdjustable DifficultyPlayable without Timed InputSave Anytime1 DLC

8 supported languages: English, French, German, Spanish - Spain, Japanese, Russian, Simplified Chinese, Portuguese - Brazil

Post-launch support: 1 DLC released, first 2020-11-17 (Steam store data)

Console footprint

PlatformPlayers trackedCompletionTrophies/achievements
Steam (Steam)2,6801%71
Xbox One (Xbox)3501%65
PS4 (PlayStation)2973%65
Switch (Nintendo)60%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

MarsSpaceScienceBuildingStrategyStylizedEducationSpace SimHistoricalManagement

Census log

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

Recent updates

Players also track

Star Control®: OriginsImagine EarthTransOcean: The Shipping CompanyProject AURASol 0: Mars ColonizationPlanetbaseAnother Brick in The MallMashinky

Similarity via IGDB.

Official site ↗Discord ↗Wikipedia ↗