Games like Master of Orion 3

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.

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.

Lead a strike force against an alien threat in this turn-based tactical RPG from the developers of Battle Brothers. Answer distress calls across different worlds, train and equip infantry, deploy tanks and mechs, and plan and execute missions in detailed turn-based battles.

Lead your people to victory on an ever-evolving world in this strategy game featuring asymmetric factions led by powerful heroes. Build your empire, wield political influence, and raise grand armies to wage war in a race to uncover dark secrets buried within the planet.

A faithful digital adaptation of the acclaimed board game Space Empires 4X by GMT Games, beloved by wargamers for almost two decades. Command the rise of your civilization and the fall of others, all in one to two hours.

Face the Ancient Gods! Set the sails of your flying pirate ship and embark on a roguelite adventure in the steampunk world of Dead Weight. Explore floating islands in search of loot. Choose a class and enjoy turn-based tactical combat on tiny battlefields where every step matters.

A turn-based sci-fi strategy that combines exploration and exciting clashes on the battlefield. Take control over several different species, raise powerful armies for your heroes and destroy your opponents! This HoMM-like is set in a scifi universe, with new mechanics on top of the classic formula.

Train gladiators. Manage a ludus. Fight in the arenas. Conquer the tower. Gods of Sand is a gladiator manager with intense turn-based combat, inspired by the Swords and Sandals series, in a dark and unforgiving setting.

Explore endless Universe and create the most efficient constellation of colonies. Build conveyor systems to automate production. Take care of Astronauts and their needs! Establish new colonies as part of intergalactic simulation.

Take on a role of a hardened PMC fighter in a dark turn-based cyberpunk RPG. Engage in unforgiving combat, manage your ship and pile up the bodies of your clones to unravel the dark mystery behind threat to all life.

DAICE is a unique merge of turn-based dice-powered combat with inventory management, a roguelite where you control an evergrowing AI Core. Purchase and pilot unique spaceships, load your dice into weapons and systems, and unleash devastating combos and shape your own strategy-driven story.

The Last Starship is a 2D space construction game where you design and upgrade your starship. Choose your path: pirate hunter, miner, engineer, spacebus driver, and more, whilst exploring vibrant star systems. Enjoy a growing sandbox world, with regular free updates. Your cosmic adventure awaits!

Hyperspace Deck Command is a complex deck building roguelite. Command a massive space fleet that operates on individual turn timers, combine a wide variety of cards into powerful decks and master the dual-use status effects to defeat the hegemonising swarm.

A Sci-Fi role-playing game featuring turn-based ground combat, space exploration, deep character customization and a massive living universe with thousands of star systems. Equip your ships with the best equipment you can find, gather a powerful crew of mercenaries and set out into the void!

Starship Theory is a ship building survival game. Mine and trade to gather resources. Plan and construct new upgrades. Train and manage crew. Fight to survive.

Embark on a space voyage with your ragtag crew of civilians in search of a new home. Build spaceships tile by tile, create optimal gas conditions, manage the needs and moods of their crew, encounter other space-faring groups, and explore the universe in this spaceship colony simulation.

A bullet heaven roguelite set in a procedurally generated universe. Land on planets to harvest resources, craft hundreds of game-breaking builds, and unleash them on relentless waves of aliens. Every run unveils a new universe: endless challenges, endless discoveries.

Sol Cesto is a tactical and frantic roguelite where mastering your luck is key. Choose a hero, upgrade them using cursed teeth and magical items, and descend to the bottom of an ever-changing dungeon. In this dark world, every action has consequences…