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Steam app 3662040 · updated 12 Sep 2026, 23:50 UTC

Gaia Maker

Gaia Maker is a planet-wide simulation game of terraforming, based on real physics and geology. As the planet's overseer, wield advanced technologies to reshape barren planets into life-filled worlds. Foster animal life, cultivate civilizations, or destroy them. Their fate is in your hands.

Gaia Maker Steam header artwork
Garkimasera GamesGarkimasera Games
3playing now
424-hour peak
42all-time peak
1average, last 30 days

The last 30 days

−6.8Gain−81.36%% gain4Peak

31 hourly samples, with the daily peak drawn over them. Weekends are shaded.

0123414 Aug16 Aug17 Aug23 Aug24 Aug25 Aug27 Aug12 SepFriday 14 August 20264 peakSunday 16 August 20262 peakMonday 17 August 20262 peakSunday 23 August 20262 peakMonday 24 August 20263 peakTuesday 25 August 20261 peakThursday 27 August 20263 peakSaturday 12 September 20264 peak
Daily peakEvery hourly sample

All time

7 months, March 2026 to September 2026. The highest number of people in the game at once, each month, on a time axis -- a gap in the record stays a gap.

011233445Mar 2026Apr 2026May 2026Jun 2026Jul 2026Aug 2026Sep 2026March 202634 monthly peakApril 202642 monthly peakMay 20267 monthly peakJune 20266 monthly peakJuly 20266 monthly peakAugust 20264 monthly peakSeptember 20264 monthly peak
Monthly peak

The last four months

Show:

The highest number of people in the game at once, each month. Four, because four is as far back as the source keeps anything finer than one figure a month.

02356July 2026August 2026September 2026October 2026July 20266 peak — daily detail belowAugust 20264 peak — daily detail belowSeptember 20264 peak — daily detail below
Monthly peakHas finer data

July 2026

14 days, each one the highest figure that day. The source keeps no hourly detail this far back. Weekends are shaded.

0235602 Jul10 Jul14 Jul16 Jul19 Jul23 Jul30 JulThursday 02 July 20262 peakFriday 03 July 20262 peakFriday 10 July 20260 peakMonday 13 July 20264 peakTuesday 14 July 20263 peakWednesday 15 July 20263 peakThursday 16 July 20262 peakSaturday 18 July 20263 peakSunday 19 July 20262 peakMonday 20 July 20262 peakThursday 23 July 20260 peakFriday 24 July 20260 peakThursday 30 July 20266 peakFriday 31 July 20264 peak

August 2026

15 days, each one the highest figure that day. The source keeps no hourly detail this far back. Weekends are shaded.

0123402 Aug05 Aug08 Aug10 Aug14 Aug17 Aug24 Aug27 AugSunday 02 August 20264 peakMonday 03 August 20261 peakWednesday 05 August 20261 peakFriday 07 August 20264 peakSaturday 08 August 20264 peakSunday 09 August 20262 peakMonday 10 August 20263 peakWednesday 12 August 20262 peakFriday 14 August 20264 peakSunday 16 August 20262 peakMonday 17 August 20262 peakSunday 23 August 20262 peakMonday 24 August 20263 peakTuesday 25 August 20261 peakThursday 27 August 20263 peak

September 2026

2 days, each one the highest figure that day. The source keeps no hourly detail this far back. Weekends are shaded.

0123401 Sep12 SepTuesday 01 September 20260 peakSaturday 12 September 20264 peak

October 2026

Gaia Maker was released on 4 Mar, 2026.

Not out yet.There is nothing to draw for this month.
Nothing here is interpolated or estimated; where a sample is missing the line is broken.

Game information

Free to playUpdated 12 Sep 2026, 23:50 UTC
App ID
3662040
Last updated
13 Apr 2026 build 22763407
Developer
Garkimasera Games
Publisher
Garkimasera Games
Release date
4 Mar, 2026
Platforms
WindowsLinux
Download size
53 MB50 MB
Install size
91 MB85 MB
Genres
Simulation, Free To Play
Game modes
Single-player
Controller support
Unknown
Achievements
24

Features & support

Steam features

Steam AchievementsSteam CloudFamily Sharing

Controllers & input

Accessibility

Custom Volume ControlsPlayable without Timed InputSave AnytimeStereo Sound

Popular tags

SimulationSandboxGod GamePhysicsIdlerSpaceSpace Sim2DTop-DownWarPixel GraphicsFree to PlaySci-fiFuturisticSingleplayerNatureScience
About this gameFull description from Steam
Gaia Maker is a planet-wide simulation game of terraforming, based on real physics and geology. Become the planetary overseer and use advanced planetary engineering to terraform lifeless planets into lush green worlds. How the planet develops is entirely up to you. Planetary Simulation Various factors across the entire planet, such as insolation, temperature, atmospheric composition, and the carbon cycle, are dynamically simulated based on real physics and geology. Every action the player takes affects all aspects of the planet's condition. Terraforming Players are given various means for terraforming. Construct Dyson swarms to secure needed energy, build giant mirrors to regulate stellar light, and produce oxygen necessary for life with oxygen generators. Animals and Civilizations You can have animals inhabit planets with suitable environments. Furthermore, you can evolve some animals, granting them civilization. The development, wars, decline, energy consumption, and planetary impact of civilizations are also meticulously simulated. Civilizations start in the Stone Age and progress until they gain the technology to harness fusion. Players can also influence the population growth and energy consumption of their civilizations, and observe how these parameters affect the evolution of their civilizations. Diverse Planets Starting on a planet with existing oceans makes terraforming very easy. However, planets with harsh environments for life, such as ice planets or desert planets, require a slightly different approach to terraforming. Features Simulation of the entire planet based on real physics and geology. Detailed simulation of temperature, biomass, carbon cycle, insolation, and atmospheric composition. Dynamic gameplay where player actions impact the entire planet. Resource acquisition via fusion reactors, Dyson swarms, and more. Various facilities and methods for terraforming (e.g., oxygen generators, aerosol injection). Animal breeding and habitat expansion. Simulation of civilizations' evolution and their planetary impact. Various dynamic events affecting civilizations, such as plagues and wars. Multiple distinct planet types to terraform.
Content & age ratings2 regional ratings

Regional ratings

DEJUSl
IGRS3
System requirementsMinimum and recommended hardware

Minimum

Minimum: Requires a 64-bit processor and operating system OS: 64bit Windows Processor: 64bit Processor Memory: 2048 MB RAM Storage: 200 MB available space

Recommended

Recommended: Requires a 64-bit processor and operating system OS: 64bit Windows Processor: 64bit Processor Memory: 2048 MB RAM Storage: 200 MB available space

macOS

Minimum: Recommended:

Linux

Minimum: OS: 64bit Operating System Processor: 64bit Processor Memory: 2048 MB RAM Storage: 200 MB available space Recommended: OS: 64bit Operating System Processor: 64bit Processor Memory: 2048 MB RAM Storage: 200 MB available space
Supported languages2 languages
LanguageFull audio
English
Japanese

A blank audio cell means full audio was not marked in the returned language list.

Screenshots & trailersScreenshots and trailers

Trailers

AchievementsTotal count and selected achievements

24 achievements in total.

Show selected achievements (may contain spoilers)
First GreenAchievement
ForesterAchievement
Animal KeeperAchievement
MonolithAchievement
Giant MirrorAchievement
Green PlanetAchievement
Melted IceAchievement
Desert GreeningAchievement
Artificial Blue SkyAchievement
Ocean ParadiseAchievement

View all Steam achievements

DemosPlayable demos on Steam

3 developer announcements, Aug 2025 to Apr 2026 · times in UTC

April

  1. Update to version 1.0.1

    Bug FixesFixed an issue where exodus events remained on tilesFixed achievement text

    Patch notes

March

  1. Gaia Maker Available Now!

    Gaia Maker has been released with the following features added since the demo version:Integration with the Steam's achievement systemNew achievements addedAdditional planet typesAdded terrain modification methods like volcanoes and…

    t.okubo.rx78

August

  1. Update to version 0.3.0

    Demo version 0.3.0 is released. This includes following features:Random animal mutationRandom animal civilizationExodus eventAquatic civilizationNew animals

    Patch notes

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