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Master of Orion

Master of Orion

The ascendant spacefaring 4X strategy game returns! A new chapter in the epic Master of Orion saga is poised to once again capture the imaginations of millions of gamers.

Released Aug 25, 2016 Developer NGD Studios Publisher Wargaming Labs Platforms Windows · Mac · Linux Strategy4XSpaceTurn-BasedSci-fi
View on Steam ↗ $24.99 (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.

76.7%positive7,918 reviews
Recommended · 11 found this helpful

“I have fond memories of playing Master of Orion 2 in the late nineties, experiencing my first ever turn-around-and-realise-the-sun-is-rising experience as I got sucked into a one-more-turn all-nighter. I pre-ordered Master of Orion 3, and on release day picked it up at the game…”

— a player, Steam review · 38 hrs played
Recommended · 4 found this helpful

“This most recent MoO may not have the depth of other sims in the genre, but it is reasonably easy to pick up and is entertaining. I do also enjoy their depiction of the good 'ole races of MoO, but I wish the camera and combat interface were a bit more polished.”

— a player, Steam review · 108 hrs played
Not recommended · 16 found this helpful

“It's really fun for the few minutes until it brakes. I've started 4 games, the longest got 150 turns before getting stuck on an AI's turn, forever. It just never gets past it, game stuck there. You get really into it and it dies. None of the "Fixes" i've found online work. Waste…”

— a player, Steam review · 37 hrs played
Read more reviews ↗

Player activity

Monthly average concurrent players. Live count fetched 2026-07-23 23:55 UTC · history via SteamCharts.

273playing at last check
31324-hour peak
4,836all-time peak
0 1k 2k 2016 2018 2020 2022 2024 2026 1.5k avg · Sep 2016

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.

102achievements
6.6%median completion
0.4%rarest: Can't Make Up Your Mind
85.5% of players 82.0% of players 74.7% of players 74.6% of players 70.8% of players 69.2% of players 68.3% of players 62.7% of players 61.3% of players 58.1% of players 57.5% of players 56.2% of players 49.8% of players 44.3% of players 42.8% of players 40.0% of players 37.2% of players 36.7% of players 32.6% of players 32.6% of players 30.4% of players 27.3% of players 25.8% of players 25.4% of players 25.4% of players 23.7% of players 23.2% of players 22.9% of players 22.4% of players 18.7% of players 17.1% of players 15.3% of players 15.0% of players 14.8% of players 14.5% of players 13.9% of players 13.8% of players 13.3% of players 13.1% of players 13.1% of players 11.9% of players 11.7% of players 11.4% of players 10.7% of players 10.3% of players 9.8% of players 9.3% of players 8.5% of players 8.2% of players 7.9% of players 7.1% of players 6.6% of players 5.9% of players 5.7% of players 4.5% of players 4.5% of players 3.8% of players 3.7% of players 3.7% of players 3.2% of players 85.5% 0% most earned rarest
Almost everyone has
85.5%One Small Step — Colonize your first planet
82.0%In a Hurry — Colonize the first planet your Colony Ship visits in a match
74.7%Real Time Commander — Command and win your first  Tactical Battle
Rarest badges of honor
0.4%Can't Make Up Your Mind — Scrap 600 Blueprints
0.4%Ironman — Win the game with all races at least once in Hard difficulty
0.4%Master of Orion — Win all victory types with all races

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.

$24.99current · sampled 2026-07-26 08:39 UTC
$24.99lowest since tracking began2026-07-11
US24.99 USD
EU20.99 EUR
UK19.49 GBP
Australia35.95 AUD
Canada28.99 CAD
Japan2,570 JPY
Brazil47.49 BRL
China80.00 CNY

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

Brazil≈$9.3 China Japan Canada EU US Australia UK≈$26

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.

Mar 12, 2020
Ni Hao! Now in Chinese!

Welcome, Star Conquerors! We have noticed an interest in Master of Orion among our Chinese players, so have released a small patch with language support for the players from this region. This patch do

May 05, 2017
Master of Orion – Patch Notes v55.1.1

Greetings Explorers, We have just released a minipatch that tackles the following ingame issues: Fix for Special Abilities not working in Custom Races Fix for espionage UI refreshing when switching se

May 05, 2017
Master of Orion – Patch Notes v55.1.1

Greetings Explorers, We have just released a minipatch that tackles the following ingame issues: Fix for Special Abilities not working in Custom Races Fix for espionage UI refreshing when switching se

Apr 25, 2017
Master of Orion – Patch Notes v55.1

Greetings Explorers, Today we released an update that addresses certain issues present in the last build. Read on for the full list of changes: Improved Performance: Turn processing has been greatly o

Apr 25, 2017
Master of Orion – Patch Notes v55.1

Greetings Explorers, Today we released an update that addresses certain issues present in the last build. Read on for the full list of changes: Improved Performance: Turn processing has been greatly o

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Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

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

GenresStrategy
Player tagsStrategy · 4X · Space · Turn-Based · Sci-fi · Multiplayer · Singleplayer · Grand Strategy · Classic · Early Access · Remake · Turn-Based Strategy (SteamSpy community voting)
FeaturesSingle-player · Multi-player · Steam Achievements · Steam Trading Cards · Steam Cloud · Stats · Family Sharing
LanguagesEnglish * , Russian * , French, German, Spanish - Spain, Czech, Japanese, Portuguese - Brazil, Turkish, Polish, Korean, Simplified Chinese, Traditional Chinese *
Achievements102
Estimated owners500,000 – 1,000,000 (SteamSpy)
Official sitehttp://www.masteroforion.com
Minimum system requirements (PC)

Minimum: Requires a 64-bit processor and operating system OS *: Windows 7 / 8 / 10 (64bit) Processor: Intel Core 2 Duo 2.0 GHz or AMD Athlon X2 2.2 GHz Memory: 2 GB RAM Graphics: nVidia 240, ATI 4650, Intel Integrated HD 4000 or better DirectX: Version 9.0c Storage: 15 GB available space Sound Card: DirectX 9 Compatible Additional Notes: Minimum Video Memory: 512 MB