Games like Imperium
If Imperium is your kind of game, the closest matches are Polaris Sector, Sid Meier's Civilization®: Beyond Earth™ and StarFringe: Adversus — picked from the ranked list below. Each pick is ranked by what players of this game also play, shared genres and tags, and review-mined similarity — not a generic popularity list.
Get personalized picks →About Imperium: Imperium is a single-player 4X space strategy game. Colonize alien worlds, design your own spaceships, research exotic technologies, and outmaneuver rival empires through diplomacy or open war. Build a galactic empire and rule it your way.
Players who liked Imperium also play
Steam players who put hours into Imperium also tend to own these titles — a signal called collaborative filtering. imho.run cross-references millions of library ownership patterns to surface games whose real audiences overlap, regardless of whether their genre tags match.
Polaris Sector
WHY THIS
Top pick for Imperium fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Simulation with Imperium.
Can anyone build an empire in a place like this? Other factions are naturally suspicious of newcomers and may wage war at the first sign of unidentified craft. Here, a natural death is an uncommon luxury.
Sid Meier's Civilization®: Beyond Earth™
WHY THIS
Second-strongest match for Imperium fans by collaborative filtering across millions of Steam libraries. Shares Strategy with Imperium.
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.
StarFringe: Adversus
WHY THIS
Third-strongest match for Imperium fans by collaborative filtering across millions of Steam libraries. Shares Strategy with Imperium.
This is the story about the beginning of the conquest of outer space by earthlings. It began as a global idea of saving mankind from hunger and lack of resources, and ended as a brutal and merciless war in space far from Earth.
Shadow Empire
WHY THIS
Ranked #4 for Imperium fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Simulation with Imperium.
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.
ENDLESS™ Space - Definitive Edition
WHY THIS
Ranked #5 for Imperium fans by collaborative filtering across millions of Steam libraries. Shares Strategy with Imperium.
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.
Xenonauts
WHY THIS
Ranked #6 for Imperium fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Imperium.
Xenonauts is a strategy game in which you control a multi-national military organisation defending a Cold War-era Earth from alien invasion, using small squads of persistent soldiers to eliminate the extraterrestrials and recover their technology in turn-based ground combat.
Xenonauts 2
WHY THIS
Ranked #7 for Imperium fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Simulation with Imperium.
Wage a global war of resistance against an alien invasion. Command turn-based tactical battles, build a network of covert bases, directly control your fighter wings, and achieve strategic victory in a simulation of asymmetric warfare against a technologically superior foe.
Galactic Civilizations III
WHY THIS
Ranked #8 for Imperium fans by collaborative filtering across millions of Steam libraries. Shares Strategy with Imperium.
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.
Free alternatives
Free-to-play games that recommended players of this title also tend to enjoy.
The Lab
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it.
Welcome to The Lab, a compilation of Valve’s room-scale VR experiments set in a pocket universe within Aperture Science. Fix a robot, defend a castle, adopt a mechanical dog, and more. Still not sold? It’s free!
South Scrimshaw, Part One
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Imperium.
South Scrimshaw is the story of a newborn whale in a vast alien ocean. It is a richly illustrated experimental visual novel, written in the style of a nature documentary.
The Riftbreaker: Prologue
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Strategy and Indie with Imperium.
The Riftbreaker: Prologue allows you to experience the events taking place before the story campaign of the main game. Explore an entirely new world. Gather resources. Build up a base. Defend yourself from thousands of alien creatures.
Liquidators
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Simulation with Imperium.
Chernobyl, USSR, 1986. Three nuclear plant workers go on a daring mission to prevent a radioactive fallout that would affect half of Europe. Every moment is permanent, and all is at stake.
DFHack - Dwarf Fortress Modding Engine
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Strategy and Simulation with Imperium.
Extensions for Dwarf Fortress, including bugfixes, interface improvements, automation agents, design blueprints, modding building blocks, and other tools.
The Life and Suffering of Sir Brante — Chapter 1&2
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Strategy and Indie with Imperium.
A narrative-driven hardcore RPG set in a gritty world where the gods are real. Set out on a challenging lifetime journey, where every choice you make has a price to pay and consequence to it. Will you become an inquisitor, a judge, or conspire against the old order? Dare to decide!
SCP – Containment Breach
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Imperium.
A procedural first-person horror adventure. You are on your own after something goes terribly wrong in this top-secret containment facility. Collect items to aid in your escape and try to uncover the truth, as horror lurks behind every door. Can you make it out alive?
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Head-to-head comparisons
Frequently asked about Imperium
- What games are most similar to Imperium?
- Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Imperium are Polaris Sector, Sid Meier's Civilization®: Beyond Earth™, StarFringe: Adversus.
- Who developed Imperium?
- Imperium was developed by Petroff Games.
imho.run ranks Steam game alternatives using a mix of collaborative filtering (ALS / iALS / EASE / LightGCN), content scoring over genres, categories, Steam tags, developers, and publishers, plus AI-extracted vibes mined from review text. The page above is generated in seed mode anchored on Imperium.
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