Single-player games like Master of Orion 2
Below are 13 single-player Steam games similar to Master of Orion 2, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Master of Orion 2 page.
Ranked picks
- 1
Master of Orion
Single-player alternative to Master of Orion 2 — playable solo, no multiplayer required. Shares Strategy with Master of Orion 2.
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.
- 2
ENDLESS™ Space - Definitive Edition
Single-player alternative to Master of Orion 2 — playable solo, no multiplayer required. Shares Strategy with Master of Orion 2.
ENDLESS™ Space is a turn-based 4X strategy game, covering the space colonization age in the ENDLESS™ Universe, where you can control every aspect of your civilization as you strive for galactic domination.
- 3
ENDLESS™ Space 2
Single-player alternative to Master of Orion 2 — playable solo, no multiplayer required. Shares Strategy with Master of Orion 2.
ENDLESS™ Space 2 is a Strategic Space Opera, featuring the compelling “just one more turn” gameplay, set in the mysterious ENDLESS™ Universe. As the leader of your civilization, will you impose your vision and build the greatest stellar empire?
- 4
Master of Orion 1
Single-player alternative to Master of Orion 2 — playable solo, no multiplayer required. Shares Strategy with Master of Orion 2.
Forge an empire in a universe where population growth is stripping away planetary resources. Colonize unknown planets and trade with other races for their knowledge.
- 5
Galactic Civilizations III
Single-player alternative to Master of Orion 2 — playable solo, no multiplayer required. Shares Strategy with Master of Orion 2.
Build a civilization that will stand the test of time in the largest space-based strategy game ever! Choose from dozens of unique races and make a name for yourself across the galaxy through diplomacy, espionage, technological advances, and more.
- 6
Master of Orion 3
Single-player alternative to Master of Orion 2 — playable solo, no multiplayer required. Shares Strategy with Master of Orion 2.
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.
- 7
Sid Meier's Civilization®: Beyond Earth™
Single-player alternative to Master of Orion 2 — playable solo, no multiplayer required. Shares Strategy with Master of Orion 2.
Sid Meier’s Civilization: Beyond Earth is a new science-fiction-themed entry into the award winning Civilization series. As part of an expedition sent to find a home beyond Earth, lead your people into a new frontier, explore and colonize an alien planet and create a new civilization in space.
- 8
Galactic Civilizations® II: Ultimate Edition
Single-player alternative to Master of Orion 2 — playable solo, no multiplayer required. Shares Strategy with Master of Orion 2.
Get the complete GalCiv II saga including Galactic Civilizations II: Dread Lords, the expansion pack Dark Avatar, and the newest expansion pack Twilight of the Arnor!
- 9
X-COM: UFO Defense
Single-player alternative to Master of Orion 2 — playable solo, no multiplayer required. Shares Strategy with Master of Orion 2.
You are in control of X-COM: an organization formed by the world's governments to fight the ever-increasing alien menace.
- 10
Stellaris
Single-player alternative to Master of Orion 2 — playable solo, no multiplayer required. Shares Strategy with Master of Orion 2.
Explore a galaxy full of wonders in this sci-fi grand strategy game from Paradox Development Studios. Interact with diverse alien races, discover strange new worlds with unexpected events and expand the reach of your empire. Each new adventure holds almost limitless possibilities.
- 11
Assassin's Creed® Syndicate
Single-player alternative to Master of Orion 2 — playable solo, no multiplayer required.
London, 1868. Lead your underworld organization in the midst of the Industrial Revolution to break the corrupt stranglehold on the city in a visceral adventure filled with action, intrigue, and brutal combat.
- 12
Remnants of the Rift
Single-player alternative to Master of Orion 2 — playable solo, no multiplayer required. Shares Strategy with Master of Orion 2.
How far would you go to find closure — to the end of another dimension? As a dimension-diving merc, Morgan must ride the frequencies between worlds to discover the secrets of a new reality. Pause, plan, and play in a groovy retro-futuristic world, in this real-time roguelite action game.
- 13
Master of Magic Classic
Single-player alternative to Master of Orion 2 — playable solo, no multiplayer required. Shares Strategy with Master of Orion 2.
Master of Magic is a classic, one of the most popular strategy games of the 90s. It is a 4X fantasy strategy game that allows you to play as an extremely powerful wizard, leading your troops and overcoming your magical opponents.