Imperium Galactica II: Alliances is a video game featuring aspects of real-time tactics, real-time strategy and 4X elements from the Hungarian-based studio Digital Reality in 1999.

It is the sequel to Digital Reality's previous game, Imperium Galactica.

Gameplay involves managing colonies, expanding one's empire, conquering enemy planets, researching, diplomacy with other races, spying, space battles, ground battles and more.

Each race has different objectives in their respective campaigns, and the player can only win the campaign by meeting these dynamic goals or conquering the galaxy by eliminating all other factions: There are eight unique races, which all have their own unique advantages and disadvantages in technology, diplomacy, and breeding.

In North America, Imperium Galactica II sold 50,843 units and earned $2.02 million from January through October 2000, according to PC Data.