Single-player games like Interstellar Conquest
Below are 16 single-player Steam games similar to Interstellar Conquest, 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 Interstellar Conquest page.
Ranked picks
- 1
Shadow Empire
Single-player alternative to Interstellar Conquest — playable solo, no multiplayer required. Shares Strategy with Interstellar Conquest.
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.
- 2
Warhammer 40,000: Gladius - Relics of War
Single-player alternative to Interstellar Conquest — playable solo, no multiplayer required. Shares Strategy with Interstellar Conquest.
Warhammer 40,000: Gladius – Relics of War brings you to a world of terror and violence. Four factions will engage in a brutal war for dominance over the planet’s resources. In the first turn-based 4X strategy game set in Warhammer 40,000 you will lead one of four unique factions.
- 3
The Battle of Polytopia
Single-player alternative to Interstellar Conquest — playable solo, no multiplayer required. Shares Indie with Interstellar Conquest.
Welcome to the unique, turn-based strategy game set in the strange, flat world of the Square. Lead one of 16 distinct civilizations to victory by expanding your empire, researching technologies, and ultimately become ruler of the world! Play in single-player or multiplayer mode for up to 16 players.
- 4
Panzer Corps 2
Single-player alternative to Interstellar Conquest — playable solo, no multiplayer required. Shares Strategy with Interstellar Conquest.
Panzer Corps 2 is the ultimate Second World War strategy game! Enjoy the time-proven gameplay formula which has been appreciated by millions of players over the years, brought to a whole new level of refinement up to the latest technical standards.
- 5
Terra Invicta
Single-player alternative to Interstellar Conquest — playable solo, no multiplayer required. Shares Strategy with Interstellar Conquest.
An alien invasion has fractured humanity into seven ideological factions each with a unique vision for the future. Lead your chosen faction to take control of Earth’s nations, expand across the Solar System, and battle enemy fleets in tactical combat.
- 6
Oriental Empires
Single-player alternative to Interstellar Conquest — playable solo, no multiplayer required. Shares Indie and Strategy with Interstellar Conquest.
Turn based 4X strategy game, recreating the civilizations of ancient China. Develop your land, build great cities, raise huge armies and fight epic battles, with hundreds of soldiers fighting right on the game map. Advance your technologies, culture and religion to create one of mankind’s biggest empires.
- 7
Unity of Command II
Single-player alternative to Interstellar Conquest — playable solo, no multiplayer required. Shares Indie and Strategy with Interstellar Conquest.
Unity of Command II is the sequel to one of the most critically acclaimed strategy games of all time; a game critics called 'the perfect gateway' into computer war games.
- 8
Battlestar Galactica Deadlock
Single-player alternative to Interstellar Conquest — playable solo, no multiplayer required. Shares Strategy with Interstellar Conquest.
In Battlestar Galactica Deadlock™ you’ll take command of the Colonial Fleet in defense of the Twelve Colonies during the First Cylon War. Lead many different types of ships in this 3D tactical game. Every decision counts, your strategy will be vital – can you ensure mankind’s survival?
- 9
Z Dawn
Single-player alternative to Interstellar Conquest — playable solo, no multiplayer required. Shares Indie and Strategy with Interstellar Conquest.
Z Dawn is a survival RPG that takes place in a post-apocalyptic world in which you get to manage a group of survivors to fight for their life, level up their skills, help fight off different breeds of zombies, build and upgrade camp, face hundreds of thrilling events and much more!
- 10
Expect The Unexpected
Single-player alternative to Interstellar Conquest — playable solo, no multiplayer required. Shares Strategy and Indie with Interstellar Conquest.
Expect The Unexpected is a roguelike, fast-paced, turn-based game with RPG elements. Interact with random generated maps in which you have to deal with hundreds of different events and situations. What will you be? What will you become?
- 11
Dungeons of Hell
Single-player alternative to Interstellar Conquest — playable solo, no multiplayer required. Shares Indie and Strategy with Interstellar Conquest.
Enter the dungeons of hell, face many different demons in a tactical challenge. You play as a lone hero against hordes of demons, clear the dungeons to get more equipment and experience to unlock new and powerful abilities.
- 12
Paths & Danger
Single-player alternative to Interstellar Conquest — playable solo, no multiplayer required. Shares Indie and Strategy with Interstellar Conquest.
Embark on an enchanting journey to Paths & Danger, a masterfully crafted procedural turn-based RPG that seamlessly blends simplicity with tactical brilliance. Get ready to be captivated as you assemble a formidable fellowship, where the art of teamwork takes center stage.
- 13
Mutant Meltdown
Single-player alternative to Interstellar Conquest — playable solo, no multiplayer required. Shares Strategy and Indie with Interstellar Conquest.
Mutant Meltdown is a survival RPG that takes place in a post-apocalyptic world in which you get to manage a group of survivors to fight for their life, level up their skills, help fight off different breeds of mutants, build and upgrade your camp, face hordes of mutants and much more!
- 14
Jurassic Clans
Single-player alternative to Interstellar Conquest — playable solo, no multiplayer required. Shares Strategy with Interstellar Conquest.
Jurassic Clans sets in a world where dinosaurs co-exist with humans. Ensure your people thrive in this dangerous world by surviving and evolving your tribe. Search for resources to expand your village, research technologies, defend your people from predators and prepare for the upcoming apocalypse.
- 15
Commander: Modern War
Single-player alternative to Interstellar Conquest — playable solo, no multiplayer required. Shares Strategy and Indie with Interstellar Conquest.
Experience the thrill of a modern conflict between two factions, as you outsmart your opponents in an epic game of strategy and cunning. Take command of your ground, air, and naval units and lead them to victory in the most immersive turn-based battle simulation. The battlefield awaits.
- 16
Commander: World War II
Single-player alternative to Interstellar Conquest — playable solo, no multiplayer required. Shares Strategy and Indie with Interstellar Conquest.
Commander: World War II is a turn-based tactical game where you lead either the Allies or the Axis to victory. Deploy infantry, tanks, planes, and naval units, capture locations, use the terrain, and counter specialized units in intense battles. Design your own maps and dominate the battlefield.