The Game Census
Terraforming Mars cover art

Terraforming Mars

Artefacts Studio · Twin Sails Interactive · 2018-10-17

SteamGOGEpic Games Store

Strategy

Modes: Single player, Multiplayer, Co-operative

Releases: Dec 03, 2019 (iOS), Oct 17, 2018 (PC (Microsoft Windows)), Oct 17, 2018 (Mac), 2018 (Android)

The taming of the Red Planet has begun! Corporations are competing to transform Mars into a habitable planet by spending vast resources and using innovative technology to raise temperature, create a breathable atmosphere, and make oceans of water.

556
playing now
71%
positive of 7.2k reviews
Mostly Positive
steam rating
500,000–1,000,000
owners (SteamSpy est.)
0
twitch viewers (latest)
65/100
IGDB user rating (14 ratings)
gold
deck/linux tier (ProtonDB)
$19.99
steam price (US)

556 players in-game as of 2026-08-30 17:00 UTC (census sample)

Health check

Healthy
  • · 556 players in-game at the last census sample.
  • · 260 reviews in the last 8 weeks (~33/week).
  • · Review velocity up 20% vs the prior 8 weeks.
  • · Top 9% of 5,933 Strategy games in the census by review count.
Estimated sales: 181k–434k copies

Review-multiple estimate from 7,232 total reviews — how this is computed.

Current store prices

GOG$19.99
lowest across shops (ITAD)$19.99

Deal snapshots via CheapShark, refreshed daily.

All-time low: $4.99 at Microsoft Store (2022-09-28) · bundled 9×via IsThereAnyDeal

12-month high $24.99 · on sale 157 of 160 observed days · $15.00 above the all-time low (census price snapshots)

Review momentum

PositiveNegative
15115120182026Week of 2018-10-01: 116 positiveWeek of 2018-10-01: 84 negativeWeek of 2018-11-01: 26 positiveWeek of 2018-11-01: 35 negativeWeek of 2018-12-01: 14 positiveWeek of 2018-12-01: 16 negativeWeek of 2019-01-01: 14 positiveWeek of 2019-01-01: 17 negativeWeek of 2019-02-01: 9 positiveWeek of 2019-02-01: 13 negativeWeek of 2019-03-01: 15 positiveWeek of 2019-03-01: 3 negativeWeek of 2019-04-01: 14 positiveWeek of 2019-04-01: 7 negativeWeek of 2019-05-01: 23 positiveWeek of 2019-05-01: 18 negativeWeek of 2019-06-01: 33 positiveWeek of 2019-06-01: 3 negativeWeek of 2019-07-01: 30 positiveWeek of 2019-07-01: 7 negativeWeek of 2019-08-01: 34 positiveWeek of 2019-08-01: 8 negativeWeek of 2019-09-01: 15 positiveWeek of 2019-09-01: 10 negativeWeek of 2019-10-01: 20 positiveWeek of 2019-10-01: 7 negativeWeek of 2019-11-01: 113 positiveWeek of 2019-11-01: 9 negativeWeek of 2019-12-01: 108 positiveWeek of 2019-12-01: 21 negativeWeek of 2020-01-01: 94 positiveWeek of 2020-01-01: 24 negativeWeek of 2020-02-01: 67 positiveWeek of 2020-02-01: 15 negativeWeek of 2020-03-01: 117 positiveWeek of 2020-03-01: 20 negativeWeek of 2020-04-01: 151 positiveWeek of 2020-04-01: 30 negativeWeek of 2020-05-01: 87 positiveWeek of 2020-05-01: 21 negativeWeek of 2020-06-01: 63 positiveWeek of 2020-06-01: 20 negativeWeek of 2020-07-01: 75 positiveWeek of 2020-07-01: 20 negativeWeek of 2020-08-01: 51 positiveWeek of 2020-08-01: 11 negativeWeek of 2020-09-01: 75 positiveWeek of 2020-09-01: 11 negativeWeek of 2020-10-01: 86 positiveWeek of 2020-10-01: 21 negativeWeek of 2020-11-01: 67 positiveWeek of 2020-11-01: 15 negativeWeek of 2020-12-01: 126 positiveWeek of 2020-12-01: 29 negativeWeek of 2021-01-01: 102 positiveWeek of 2021-01-01: 34 negativeWeek of 2021-02-01: 54 positiveWeek of 2021-02-01: 11 negativeWeek of 2021-03-01: 75 positiveWeek of 2021-03-01: 29 negativeWeek of 2021-04-01: 60 positiveWeek of 2021-04-01: 31 negativeWeek of 2021-05-01: 51 positiveWeek of 2021-05-01: 23 negativeWeek of 2021-06-01: 42 positiveWeek of 2021-06-01: 15 negativeWeek of 2021-07-01: 56 positiveWeek of 2021-07-01: 15 negativeWeek of 2021-08-01: 45 positiveWeek of 2021-08-01: 18 negativeWeek of 2021-09-01: 31 positiveWeek of 2021-09-01: 21 negativeWeek of 2021-10-01: 42 positiveWeek of 2021-10-01: 28 negativeWeek of 2021-11-01: 41 positiveWeek of 2021-11-01: 88 negativeWeek of 2021-12-01: 33 positiveWeek of 2021-12-01: 24 negativeWeek of 2022-01-01: 45 positiveWeek of 2022-01-01: 16 negativeWeek of 2022-02-01: 32 positiveWeek of 2022-02-01: 6 negativeWeek of 2022-03-01: 22 positiveWeek of 2022-03-01: 5 negativeWeek of 2022-04-01: 31 positiveWeek of 2022-04-01: 5 negativeWeek of 2022-05-01: 49 positiveWeek of 2022-05-01: 19 negativeWeek of 2022-06-01: 37 positiveWeek of 2022-06-01: 11 negativeWeek of 2022-07-01: 28 positiveWeek of 2022-07-01: 15 negativeWeek of 2022-08-01: 21 positiveWeek of 2022-08-01: 8 negativeWeek of 2022-09-01: 21 positiveWeek of 2022-09-01: 12 negativeWeek of 2022-10-01: 34 positiveWeek of 2022-10-01: 25 negativeWeek of 2022-11-01: 26 positiveWeek of 2022-11-01: 14 negativeWeek of 2022-12-01: 33 positiveWeek of 2022-12-01: 9 negativeWeek of 2023-01-01: 49 positiveWeek of 2023-01-01: 34 negativeWeek of 2023-02-01: 30 positiveWeek of 2023-02-01: 55 negativeWeek of 2023-03-01: 32 positiveWeek of 2023-03-01: 33 negativeWeek of 2023-04-01: 21 positiveWeek of 2023-04-01: 53 negativeWeek of 2023-05-01: 20 positiveWeek of 2023-05-01: 38 negativeWeek of 2023-06-01: 18 positiveWeek of 2023-06-01: 21 negativeWeek of 2023-07-01: 22 positiveWeek of 2023-07-01: 34 negativeWeek of 2023-08-01: 22 positiveWeek of 2023-08-01: 13 negativeWeek of 2023-09-01: 28 positiveWeek of 2023-09-01: 6 negativeWeek of 2023-10-01: 26 positiveWeek of 2023-10-01: 6 negativeWeek of 2023-11-01: 48 positiveWeek of 2023-11-01: 17 negativeWeek of 2023-12-01: 35 positiveWeek of 2023-12-01: 20 negativeWeek of 2024-01-01: 34 positiveWeek of 2024-01-01: 20 negativeWeek of 2024-02-01: 15 positiveWeek of 2024-02-01: 6 negativeWeek of 2024-03-01: 32 positiveWeek of 2024-03-01: 7 negativeWeek of 2024-04-01: 21 positiveWeek of 2024-04-01: 4 negativeWeek of 2024-05-01: 20 positiveWeek of 2024-05-01: 2 negativeWeek of 2024-06-01: 18 positiveWeek of 2024-06-01: 5 negativeWeek of 2024-07-01: 20 positiveWeek of 2024-07-01: 17 negativeWeek of 2024-08-01: 17 positiveWeek of 2024-08-01: 5 negativeWeek of 2024-09-01: 24 positiveWeek of 2024-09-01: 12 negativeWeek of 2024-10-01: 17 positiveWeek of 2024-10-01: 10 negativeWeek of 2024-11-01: 35 positiveWeek of 2024-11-01: 3 negativeWeek of 2024-12-01: 30 positiveWeek of 2024-12-01: 3 negativeWeek of 2025-01-01: 35 positiveWeek of 2025-01-01: 3 negativeWeek of 2025-02-01: 19 positiveWeek of 2025-02-01: 26 negativeWeek of 2025-03-01: 18 positiveWeek of 2025-03-01: 10 negativeWeek of 2025-04-01: 17 positiveWeek of 2025-04-01: 16 negativeWeek of 2025-05-01: 15 positiveWeek of 2025-05-01: 6 negativeWeek of 2025-06-01: 14 positiveWeek of 2025-06-01: 8 negativeWeek of 2025-07-01: 19 positiveWeek of 2025-07-01: 11 negativeWeek of 2025-08-01: 12 positiveWeek of 2025-08-01: 19 negativeWeek of 2025-09-01: 18 positiveWeek of 2025-09-01: 4 negativeWeek of 2025-10-01: 17 positiveWeek of 2025-10-01: 9 negativeWeek of 2025-11-01: 24 positiveWeek of 2025-11-01: 7 negativeWeek of 2025-12-01: 20 positiveWeek of 2025-12-01: 26 negativeWeek of 2026-01-01: 32 positiveWeek of 2026-01-01: 45 negativeWeek of 2026-02-01: 24 positiveWeek of 2026-02-01: 12 negativeWeek of 2026-03-01: 15 positiveWeek of 2026-03-01: 14 negativeWeek of 2026-04-01: 13 positiveWeek of 2026-04-01: 6 negativeWeek of 2026-05-01: 16 positiveWeek of 2026-05-01: 7 negativeWeek of 2026-06-01: 12 positiveWeek of 2026-06-01: 4 negativeWeek of 2026-07-01: 6 positiveWeek of 2026-07-01: 8 negativeWeek of 2026-08-01: 9 positiveWeek of 2026-08-01: 2 negative
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Players online

5981862026-08-06 22:00 — 354 players2026-08-07 06:00 — 211 players2026-08-07 14:00 — 375 players2026-08-07 22:00 — 421 players2026-08-08 06:00 — 291 players2026-08-08 14:00 — 438 players2026-08-08 22:00 — 398 players2026-08-09 06:00 — 264 players2026-08-09 14:00 — 460 players2026-08-09 22:00 — 412 players2026-08-10 06:00 — 225 players2026-08-10 14:00 — 377 players2026-08-10 22:00 — 339 players2026-08-11 06:00 — 205 players2026-08-11 14:00 — 349 players2026-08-12 22:00 — 356 players2026-08-14 06:00 — 218 players2026-08-15 13:00 — 402 players2026-08-16 21:00 — 479 players2026-08-18 05:00 — 236 players2026-08-19 12:00 — 327 players2026-08-20 20:00 — 598 players2026-08-22 03:00 — 292 players2026-08-23 11:00 — 351 players2026-08-24 19:00 — 564 players2026-08-26 03:00 — 332 players2026-08-27 10:00 — 267 players2026-08-28 18:00 — 457 players2026-08-30 02:00 — 312 players2026-08-30 17:00 — 556 players
Concurrent players, hourly average, last 30 days (census samples).

Price history

$24.99$5.232018-10-172026-08-302018-10-17 — best price $24.992019-09-30 — best price $19.992020-05-05 — best price $19.322020-06-26 — best price $24.992020-08-16 — best price $17.882020-09-29 — best price $17.882020-11-15 — best price $19.992021-01-07 — best price $16.882021-02-14 — best price $16.882021-03-29 — best price $19.992021-05-07 — best price $19.992021-06-28 — best price $19.992021-10-30 — best price $12.492022-04-06 — best price $16.882022-07-14 — best price $9.992022-10-18 — best price $13.992022-12-19 — best price $18.842023-04-04 — best price $19.992023-07-01 — best price $16.882023-11-02 — best price $9.992024-01-23 — best price $15.742024-03-22 — best price $15.742024-06-20 — best price $8.002024-08-27 — best price $19.992024-11-11 — best price $13.942025-01-16 — best price $9.002025-04-08 — best price $8.742025-07-02 — best price $8.002025-09-03 — best price $5.232025-11-02 — best price $19.992026-01-01 — best price $19.992026-03-02 — best price $7.492026-04-23 — best price $19.992026-06-16 — best price $16.882026-08-15 — best price $5.602026-08-30 — best price $19.99
Lowest recorded price across tracked stores, per day (census snapshots).

Twitch viewers

502026-08-27 06:34 — 0 viewers2026-08-27 09:33 — 0 viewers2026-08-27 12:34 — 0 viewers2026-08-27 15:34 — 0 viewers2026-08-27 18:34 — 0 viewers2026-08-27 22:34 — 0 viewers2026-08-28 01:34 — 0 viewers2026-08-28 04:34 — 0 viewers2026-08-28 07:34 — 0 viewers2026-08-28 10:34 — 0 viewers2026-08-28 13:34 — 0 viewers2026-08-28 16:35 — 0 viewers2026-08-28 19:34 — 0 viewers2026-08-28 22:34 — 0 viewers2026-08-29 01:34 — 0 viewers2026-08-29 04:34 — 0 viewers2026-08-29 07:34 — 0 viewers2026-08-29 10:34 — 0 viewers2026-08-29 13:34 — 0 viewers2026-08-29 16:34 — 0 viewers2026-08-29 20:34 — 5 viewers2026-08-29 23:34 — 0 viewers2026-08-30 02:34 — 0 viewers2026-08-30 05:34 — 0 viewers2026-08-30 08:34 — 0 viewers2026-08-30 11:34 — 0 viewers2026-08-30 14:34 — 0 viewers2026-08-30 17:34 — 0 viewers
Hourly Twitch viewers (census snapshots).

Completion

40
achievements tracked
68.1%
earned "Prop-M Rover"
18.2%
median achievement earned by

Global achievement rates from Steam.

Details

WindowsmacOSSingle-playerMulti-playerPvPOnline PvPShared/Split Screen PvPSteam AchievementsSteam Turn NotificationsRemote Play TogetherFamily Sharing6 DLC

6 supported languages: English, French, Italian, German, Spanish - Spain, Swedish

Console footprint

PlatformPlayers trackedCompletionTrophies/achievements
Steam (Steam)4,3790%40

Players tracked by Exophase (achievement/trophy trackers) — a sample of the player base, not total sales.

Player tags

PvPMarsSpaceSci-fiHex GridStrategyTabletopDifficultBoard GameManagement

Census log

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

Players also track

Star Control®: OriginsTransOcean: The Shipping CompanySol 0: Mars ColonizationPlanetbasePolaris SectorBronze Age - HD EditionAge of Wonders: PlanetfallBusiness Magnate

Similarity via IGDB.

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