Master of Orion III cover
SeriesMaster of Orion

Master of Orion III

Critic score2 critics
Be the first to rate
First release
Feb 25, 2003
Publisher
Infogrames
Genres
Strategy, Turn-based strategy (TBS) · 4X (explore, expand, exploit, and exterminate), Science fiction
Platforms
PC (Microsoft Windows), Mac

Experience first-hand the challenges of leading one of 16 different races into unequalled galactic supremacy and face a universe of decisions. Set policies, explore, build, declare war, negotiate - put all these elements into motion to guarantee your place in the annals of space and time.

Also known as Master of Orion 3, MOO3, moo3.exe

Attributes

No Attributes added.

Details

Storyline, release dates, time to beat, age ratings, modes, links, keywords

Release dates
PC (Microsoft Windows)
Feb 25, 2003
Mac
Feb 25, 2003
Game modes
Multiplayer, Single player
Perspective
Bird view / Isometric
Where to buy
Keywords
turn-based, voxel, spaceship, diplomacy, economy
… All 17, terraforming, alien invasion, customization, bink video, morale, randomly generated maps, reptilian humanoid, tech trees, planet, ancient advanced civilization technology, fictional currencies, macromanagement

At a Glance

Critic Score
55
OverviewHow it playsMediaCommunityBehind the gameRelated

Overview

Steam review summary

Steam users rate this Mixed, 177 reviews in all languages, recorded 16 October 2026

Valve's summary of Steam user reviews. Valve counts only reviews from purchases on Steam, not key activations, and leaves out review periods it has marked as off-topic. It isn't part of the CritScore score.

Review summary: SteamSteam data provided via the Steam Web API (opens in a new tab)Not affiliated with Valve →

About storefront and compatibility information

Compatibility, feature and availability information shown on this page is recorded from the storefronts and services named against each fact, on the dates shown. Steam and the Steam logo are trademarks of Valve Corporation; Steam data is provided via the Steam Web API. Other product and service names are trademarks of their respective owners. CritScore is not affiliated with, endorsed by, sponsored by or certified by Valve Corporation or any other storefront or platform holder, and does not itself test or certify any game.