Single-player games like Stellar Monarch 2
Below are 18 single-player Steam games similar to Stellar Monarch 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 Stellar Monarch 2 page.
Ranked picks
- 1
Stellar Monarch
Single-player alternative to Stellar Monarch 2 — playable solo, no multiplayer required. Shares Strategy with Stellar Monarch 2.
Asymmetric space empire builder where you feel like the Emperor, not a logistics officer. No micromanagement, grand scale, fast paced, audiences, assassins, imperial court, disloyal admirals.
- 2
Galactic Civilizations® II: Ultimate Edition
Single-player alternative to Stellar Monarch 2 — playable solo, no multiplayer required. Shares Strategy with Stellar Monarch 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!
- 3
Sid Meier's Civilization®: Beyond Earth™
Single-player alternative to Stellar Monarch 2 — playable solo, no multiplayer required. Shares Strategy with Stellar Monarch 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.
- 4
ENDLESS™ Space 2
Single-player alternative to Stellar Monarch 2 — playable solo, no multiplayer required. Shares Strategy with Stellar Monarch 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?
- 5
Galactic Civilizations III
Single-player alternative to Stellar Monarch 2 — playable solo, no multiplayer required. Shares Strategy with Stellar Monarch 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
Single-player alternative to Stellar Monarch 2 — playable solo, no multiplayer required. Shares Strategy with Stellar Monarch 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.
- 7
Shadow Empire
Single-player alternative to Stellar Monarch 2 — playable solo, no multiplayer required. Shares Strategy with Stellar Monarch 2.
Shadow Empire is a deep turn-based 4X wargame with a unique blend of military focus, procedurally generated content and role-playing features. Players take the seat of the supreme ruler of a small nation, with the goal of reconquering a devastated planet.
- 8
ENDLESS™ Space - Definitive Edition
Single-player alternative to Stellar Monarch 2 — playable solo, no multiplayer required. Shares Strategy with Stellar Monarch 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.
- 9
Sins of a Solar Empire II
Single-player alternative to Stellar Monarch 2 — playable solo, no multiplayer required. Shares Strategy with Stellar Monarch 2.
Battle for galactic dominance in this real-time 4X strategy game with unrivaled scale! You’ll explore, expand, exploit, and exterminate through military force, diplomacy, trade, culture, influence, and other underhanded tactics.
- 10
Stellaris
Single-player alternative to Stellar Monarch 2 — playable solo, no multiplayer required. Shares Strategy with Stellar Monarch 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
Crusader Kings III
Single-player alternative to Stellar Monarch 2 — playable solo, no multiplayer required. Shares Strategy with Stellar Monarch 2.
Love, fight, scheme, and claim greatness. Determine your noble house’s legacy in the sprawling grand strategy of Crusader Kings III. Death is only the beginning as you guide your dynasty’s bloodline in the rich and larger-than-life simulation of the Middle Ages.
- 12
Galactic Civilizations IV
Single-player alternative to Stellar Monarch 2 — playable solo, no multiplayer required. Shares Strategy with Stellar Monarch 2.
Take command of a civilization that has just achieved faster-than-light travel in Galactic Civilizations IV, the newest entry in the award-winning space 4X strategy game series. Explore the galaxy, colonize worlds, shape cultures, make alliances, fight wars and pioneer new technologies.
- 13
Europa Universalis V
Single-player alternative to Stellar Monarch 2 — playable solo, no multiplayer required. Shares Strategy with Stellar Monarch 2.
Use war, trade or diplomacy to satisfy your grandest ambitions and dominate five centuries of history in the newest version of Europa Universalis, Paradox Interactive's flagship historical grand strategy game.
- 14
Hearts of Iron IV
Single-player alternative to Stellar Monarch 2 — playable solo, no multiplayer required. Shares Strategy with Stellar Monarch 2.
Victory is at your fingertips! Your ability to lead your nation is your supreme weapon, the strategy game Hearts of Iron IV lets you take command of any nation in World War II; the most engaging conflict in world history.
- 15
Dune Sea
Single-player alternative to Stellar Monarch 2 — playable solo, no multiplayer required.
Fly. Honk. Explore. Dune Sea is a side-scrolling adventure Goose game that lets you fly like a bird.
- 16
Legends of Amberland: The Forgotten Crown
Single-player alternative to Stellar Monarch 2 — playable solo, no multiplayer required.
Legends of Amberland: The Forgotten Crown is a classic western RPG inspired by the games from the 90s. Basically, it’s the kind of game I personally find missing nowadays. Light, fairy tale, epic, heroic, slightly humorous and without the need of endless grind to progress.
- 17
Legends of Amberland II: The Song of Trees
Single-player alternative to Stellar Monarch 2 — playable solo, no multiplayer required.
Legends of Amberland II: The Song of Trees is a classic western RPG inspired by great 90s era games such as Might & Magic, Wizardry, Ultima, the Gold Box series. Light, fairy tale, epic, heroic, slightly humorous adventure.
- 18
Automobile Tycoon
Single-player alternative to Stellar Monarch 2 — playable solo, no multiplayer required. Shares Strategy with Stellar Monarch 2.
Car manufacturing company simulator. Turn-based, fast paced, covers 100 years of automotive history.