Master of Orion 3 Download Free Full Game

Master of Orion 3 Full PC Game

Game Information

Official NameMaster of Orion III
VersionFull Game
File UploadTorrent
Developer (s)Quicksilver Software
Publisher (s)Infogrames
Distributor (s)
Platform (s)Microsoft Windows, PC
Release date (s)February 25, 2003
Genre (s)Turn-based strategy
Mode (s)Single player, Multiplayer


Master of Orion 3 for PC Screenshots

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Master of Orion 3 Full PC Game Overview

Master of Orion 3 Download Free Full Game (MoO3, MoOIII) is a 4X turn-based strategy game and the third in the Master of Orion series. MoO3 was developed by Quicksilver Software and published by Infogrames on February 25, 2003.


In The Master of Orion III game manual, the player discovers that the planet called Antares in Master of Orion II: Battle at Antares was actually a forward base, «ConJenn». Following the events of Master of Orion II, the Antarans retaliated and defeated the young races of the Orion Sector, enslaving all of the people on every planet, and destroying all research and military centers, effectively making any retaliation impossible.

A thousand years later, the Antarans mysteriously disappeared due to an outbreak of their «Harvester» bioweapons program, which wiped out 98% of the population living in the Antaran sector. Survivors were left primarily on only two planets: Antares itself, and the Antarans living on the planet Orion, ruling the Orion Sector from Master of Orion II. Other Antarans survived in various smaller colonies and outposts throughout the galaxy.

The Antarans on Orion overseeing the younger races from Master of Orion II concluded that without backup from their powerful empire, changes would be necessary. Anticipating rebellion, they arrogantly declared themselves the «New Orions» (as opposed to the true ancient ones), and allowed a new Senate to be convened, made up of younger races. Half a dozen races from the previous games launched a rebellion, but were beaten into near extinction (isolated colonies and refuges of these races would remain throughout the sector). Rumors would also abound of a legitimate heir to the Orion throne. Master of Orion 3 Free Download.

Meanwhile, a group of isolated Antarans engineered a new bioweapon known as «Harvester Zeta». One of their scientists brought a shipment of these sentient parasites to the Orion sector, where they were released upon a Human outpost, wreaking terrible damage. However, being sentient, the Harvesters began to pursue their own agenda, spreading and forming colonies like other races, and giving themselves a new name, the «Ithkul».


Master of Orion III is a turn-based strategy game with the goal of defeating the AI, or other players, in one of three ways. During each turn, the player makes all the decisions that will be performed during that turn, including exploration, colonization, diplomacy, trade, voting in the Senate, technological research, espionage, and the design, construction, and combat deployment of their space fleet. The player can leave most of those decisions to their planetary governors to handle, or they can make changes as they desire through a micromanagement system. However all military incentive is responsibility of human player.

Victory conditions

Victory conditions, set at the beginning of the game, include domination of the galaxy, leadership of the Senate, and discovery of the five Antaran X’s. The easiest to achieve is leadership of the Senate where the periodic vote for leadership is based on the power of each voting member. The victory method with moderate difficulty is the discovery of the five Antaran X’s through exploration and sending out of special high-priced exploration fleets. The most difficult method is galactic domination where you must completely subjugate all other races in the galaxy. Master of Orion 3 Free Download PC Game.

Exploration and colonization

Colonization is of individual planets located in the numerous star systems randomly generated at the beginning of each game. Each star system will have from one to eight planets and each planet is rated on a scale of habitability related to your race’s physical requirements. Red 2 and Red 1 planets are the least habitable to your species, with Yellow 2 and 1 and Green 2 and 1 designating increasingly friendly environments up to the so-called 'Sweet Spot', which is a planet perfectly suited to your race or the conquered race (s) you are using to colonize. The factors that can affect habitability include temperature, toxicity, atmospheric density and composition, and gravity level. The various races of the game each have preferred planet types, from terrestrial races preferring the variations of the Earth/Mars-type terrestrial worlds, to the etherian races that prefer Jupiter-type gas giants. Worlds of any type can be colonized, however, as technological advancements will allow the terraforming of worlds to suit your race’s requirements, with the most hostile planets requiring more initial settlers and the population’s growth rate being greatly reduced. Planets are discovered through exploration and trade. By sending a starship to a given system the player discovers the basic information on and an assessment of the habitability of each planet in that system. Extras such as pre-spaceflight magnate civilizations, stranded leaders, rare resources, and other unusual and unique attributes can add additional bonuses or penalties to each world. Information on star systems and their worlds can also be gained though trade negotiations with the other races resulting in an exchange of intelligence. Master of Orion 3 Download Torrent.


In the Orion Senate, laws, treaties, and resolutions are voted upon and periodically the President is chosen. Declarations of war and peace, alliances, trade relationships, technological trade and outright blackmail are performed in the Senate. Votes are also periodically proposed on various laws that will be binding to all races in the galaxy (although you can opt out for a small penalty in race-relations). These can be rules of war, labor laws, taxes, and other regulations.


The key to success over the other races is through technological development where knowledge in six fields of research can be advanced. The six fields are Biological Sciences, Economics, Energy, Mathematics, Physical Sciences and Social sciences. Development in these fields will result in advancements in technology that can benefit all other aspects of gameplay, which may include the ability to terraform your worlds to better suit your race, the ability to create larger and more powerful space fleets, the ability to better equip ground troops, and the ability to develop stronger economic development tools and more capable spies. Master of Orion 3 for PC.

Master of Orion 3 Free Download PC Game

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Master of Orion 3 Free Download PC Game

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