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Mars Horizon

Mars Horizon

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.

Released Nov 17, 2020 Developer Auroch Digital Platforms Windows · Mac ManagementSpaceStrategyEducationMars
View on Steam ↗ $5.99 (US · as of 2026-07-26)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Data as of 2026-05-20.

84.0%positive2,974 reviews
Recommended · 2 found this helpful

“Don't play this thinking its a in-depth simulator like KSP. You don't pilot your rockets or plan maneuvers, every mission stage is just a resource management puzzle. You don't control the astronauts. Rocket design goes as far as selecting an already complete upper stage and a…”

— a player, Steam review · 21 hrs played
Recommended · 1 found this helpful

“Mars Horizon, developed and published by Auroch Digital, is a strategy-driven simulation that places players at the helm of a national space program and challenges them to guide it from the dawn of the space race to the ambitious goal of reaching Mars. Rather than focusing on…”

— a player, Steam review · 17 hrs played
Recommended · 0 found this helpful

“I generally enjoyed playing the game and from a historical perspective it makes sense that progress is slow but it feels REALLY slow. Perhaps it is the UI or simply the gameplay loop but it constantly feels like you are doing lots of waiting until you get to an interesting event…”

— a player, Steam review · 21 hrs played
Read more reviews ↗

Player activity

Monthly average concurrent players. Live count fetched 2026-07-11 12:57 UTC · history via SteamCharts.

11playing at last check
1524-hour peak
2,455all-time peak
0 1k 2k 2021 2022 2023 2024 2025 2026 1.1k avg · Nov 2020

Achievement stats

Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-07-25.

71achievements
23.1%median completion
0.5%rarest: Mars Horizon
85.9% of players 84.2% of players 77.8% of players 77.2% of players 72.6% of players 72.3% of players 72.1% of players 65.0% of players 63.0% of players 62.9% of players 62.8% of players 61.4% of players 56.9% of players 56.1% of players 55.0% of players 54.1% of players 52.8% of players 50.8% of players 48.6% of players 48.5% of players 46.8% of players 44.6% of players 37.0% of players 34.9% of players 34.2% of players 34.2% of players 32.8% of players 31.5% of players 29.9% of players 29.2% of players 28.6% of players 28.5% of players 26.8% of players 24.6% of players 23.7% of players 23.1% of players 22.9% of players 22.6% of players 22.5% of players 22.2% of players 22.1% of players 21.4% of players 20.3% of players 20.0% of players 17.9% of players 17.4% of players 16.9% of players 16.0% of players 14.8% of players 14.5% of players 13.6% of players 12.9% of players 12.4% of players 11.8% of players 11.4% of players 10.5% of players 10.4% of players 8.5% of players 8.2% of players 6.9% of players 85.9% 0% most earned rarest
Almost everyone has
85.9%Space Age — Place an Artificial Satellite in orbit
84.2%Parameters Exceeded — Complete the Bonus Objective of a mission task
77.8%Never in Doubt — Achieve a mission task's Bonus Objective with the last Command of the last turn
Rarest badges of honor
0.5%Mars Horizon — Complete every other Mars Horizon achievement
0.8%Space is Very Hard — Win the Race to Mars on very hard difficulty
0.9%Well Done, Director — Win the Race to Mars with all 5 space agencies

Price tracking

US-region pricing (USD), sampled twice daily by our own tracker since 2026-07-11. Steam prices vary by region — always confirm your local price on Steam.

$5.99−70% right nowcurrent · sampled 2026-07-26 08:39 UTC
$19.99base price
$5.99lowest since tracking began2026-07-21
US5.99 USD−70%
EU5.39 EUR−70%
UK4.49 GBP−70%
Australia8.68 AUD−70%
Canada6.83 CAD−70%
Japan615 JPY−70%
Brazil11.39 BRL−70%
China21.00 CNY−70%

Regional prices at last sample, in local currency — Steam sets each region's price independently.

Brazil≈$2.2 China Japan Canada UK US Australia EU≈$6.1

Cheapest → most expensive, converted to USD at ECB reference rates (2026-07-24). Relative comparison only.

$0 $25 $50 07-11 07-13 07-16 07-19 07-22 07-26

Latest official news

Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.

Jul 23, 2026
Mars Horizon is Part of SimFest 2026 🚀

We are delighted to have Mars Horizon be part of SimFest 2026 and to celebrate, the game is discounted 70% from now until the 27th of July! 🙌 Be sure to check out SimFest 2026 for the latest and great

Oct 14, 2025
Mars Horizon 2 - Demo Feedback Survey

Hi Aurochnauts! 🧑🏻‍🚀Have you played the Test Mission demo for Mars Horizon 2: The Search for Life yet? If you have, we would like to hear your thoughts via a recently published feedback survey for the

Sep 26, 2025
Mars Horizon 2 Playable Demo & Release Window Update

Hi Aurochnauts! 🧑🏻‍🚀The development team at Auroch Digital has been hard at work behind the scenes, and we’re excited to provide you with a development update for Mars Horizon 2: The Search for Life.F

Jul 18, 2025
Mars Horizon is in Simfest! 🥳

Hey Aurochnauts! 🧑🏻‍🚀 Mars Horizon is pleased to be part of Simfest! Between the 17th and 28th of July, this festival celebrates all-things related to simulation games. 🙌🏻 Joining Mars Horizon in Simf

Feb 25, 2025
Get 75% Off Mars Horizon in the GamesAid Steam Sale! 💚

We are proud to have Mars Horizon participating in the GamesAid Steam sale! The sale is live and runs until the 3rd of March. Money raised from the event will go towards GamesAid and the fantastic wor

Games like Mars Horizon

From our knowledge graph — ranked by shared traits, not a black box. Each card says why it's here.

Terraformers Terraformers 89.0% · 2,043 reviews shares Mars, Science, Turn Based, Resource Management Tin Can Tin Can 81.8% · 855 reviews shares Science, Space Sim, Resource Management, Immersive Sim Kerbal Space Program Kerbal Space Program 95.7% · 95,455 reviews shares Science, Space Sim, Education, Building Mars First Logistics Mars First Logistics 95.1% · 2,488 reviews shares Mars, Science, Space Sim, Building MEMORIAPOLIS MEMORIAPOLIS 76.3% · 1,089 reviews shares Historical, Resource Management, Immersive Sim, Building Reentry - A Space Flight Simulator Reentry - A Space Flight Simulator 96.4% · 998 reviews shares Science, Space Sim, Historical, Education Surviving Mars Surviving Mars 77.3% · 15,991 reviews shares Mars, Space Sim, Resource Management, Building Main Assembly Main Assembly 82.3% · 995 reviews shares Science, Education, Immersive Sim, Building

Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

From the Steam store record, snapshot 2026-05-20.

GenresIndie, Simulation, Strategy
Player tagsManagement · Space · Strategy · Education · Mars · Space Sim · Science · Historical · Choices Matter · Building · Alternate History · Turn-Based (SteamSpy community voting)
FeaturesSingle-player · Steam Achievements · Steam Trading Cards · Adjustable Text Size · Camera Comfort · Color Alternatives · Custom Volume Controls · Adjustable Difficulty
LanguagesEnglish, French, German, Spanish - Spain, Japanese, Russian, Simplified Chinese, Portuguese - Brazil
Achievements71
Estimated owners200,000 – 500,000 (SteamSpy)
Official sitehttp://www.aurochdigital.com/marshorizonvideogame
Minimum system requirements (PC)

Minimum: OS *: Windows 7 / 8 / 10 Processor: 2.0GHz Dual Core Processor Memory: 4 GB RAM Graphics: GeForce GT 740 (2048 MB) / Radeon HD 5770 (1024 MB) or equivalent DirectX: Version 11 Storage: 4 GB available space Sound Card: DirectX compatible