Master of Orion achievements

Win by all Victory types with any race

Destroy 20 planets with a Doomstar in a match

Win by Conquest without losing a single colony

Completely research the Tech Tree and win by Conquest

Win by Economic victory with Psilon

Win by Conquest Victory for the first time

Win by any victory with only 5 planets colonized including your homeworld

Colonize at least 5 Volcanic planets in a match

Spy on the Humans as a Psilon

Visit all systems in the galaxy during a match

Defeat Orion's Guardian before turn 150

Colonize at least 5 Desert planets in a match