Games like Master of Orion 1

Sid Meier's Alpha Centauri™ Planetary Pack includes the original Alpha Centauri and the expansion, Alien Crossfire.

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.

From the developers of Warhammer 40,000: Gladius, ZEPHON is a post-apocalyptic 4X strategy game built on Proxy’s unique tactical combat system. Guide survivors through a turbulent future, navigating unexpected disasters, eldritch horror and cyberpunk monstrosities. What will you do to survive?

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.

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.

Lord of Rigel is a turn-based 4X space strategy game inspired by the classics. In a galaxy divided by two elder races, will you unite with other species or forge your own path? Navigate galactic politics and defeat threats using espionage, research, and military force. How will you shape the galaxy?

Set in a post-apoc version of Earth, Revival is a 4x strategy game where the world and its rules can change at key moments, creating a deep and highly replayable experience.

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.

Shogun Showdown is a turn-based combat game with rogue-like and deck-building elements. Position yourself and attack at the right time, upgrade your tiles and combo them to get ready to face the Shogun!

Colony Ship is a turn-based, party-based role-playing game set aboard a generation ship launched to Proxima Centauri. The game features a detailed skill-based character system, multiple ways to handle quests, choices & consequences, and branching dialogue trees.

eXplore, eXpand, eXploit, eXterminate, EXPRESS. All of the depth, diplomacy, conflict and conquest of a turn-based 4X epic but played in fast-paced 60-minute competitive sessions. Play Solo or Multiplayer for 2-8 players.

Star Trek: Infinite is a grand strategy experience that lets you play your own Star Trek story as the leader of one of four major factions in the galaxy. Follow the specially crafted story or blaze your own trail in the first Star Trek grand strategy game.

Hexarchy is an innovative, fast-paced, historical 4x strategy game where you use cards and deckbuilding to make your decisions. Single-player and online multiplayer.

Lead armies, rebuild fallen kingdoms, and rise to greatness! Embark on an epic journey of strategy in a visually stunning world. Fight intense battles and uncover a captivating story.

Village elder, help us! The Apocalypse is approaching, and we need your guidance to survive. Assign your workers and build a thriving village against the pending doom. DotAGE is the merciless survival roguelite turn-based city builder. Will you fulfill the Prophecy?

In Dominions 6 you take control of a powerful being that rules a nation and aspires to godhood. The type of Pretender Gods can vary from magically powerful arch mages to old dragons or an enormous tree. Dominions is a deep 4x turn based strategy game with a very large variety of spells and units.

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.

STAR COMMAND offers the thrill of the best sci-fi novels, and then some. In this epic multiple-character role-playing game, you don't just read about the adventure — you live it!

Sequel to the acclaimed Legendary Creatures, created by HideChara, and a fun treat combining both roguelike and auto-battler gameplay. Recruit and evolve a large array of troops, creatures, and an arsenal of weapons, to defeat the demon lord spreading corruption across the land.

'The Pair Annihilation' is grid + turn-based strategy roguelike game. Use different combinations of ships, different artifacts, in battles on various battlefields to defeat Udtmos!

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.

Raise mighty armies, wield ancient magic and forge an empire. This turn-based strategy adventure game fuses strategic decision making, tactical combat and kingdom management.

Pilot a powerful mech to fight off the alien invasion in this ULTIMATE fusion of deckbuilding and grid-based tactics. Discover game-breaking combos, rewind time to alter your fate, and protect the future of humanity in this endlessly replayable roguelike.

Made in a close partnership with Games Workshop, Warhammer 40,000: Rogue Trader is a story-rich classical RPG from Owlcat Games, developers of the critically acclaimed game, Pathfinder: Wrath of the Righteous.

Command a squad of adorably fierce warriors in Anomaly Collapse, a turn-based Roguelite strategy game that offers a fresh twist to an old formula! Face off against otherworldly beings and uncover the dark secrets of supernatural calamities. Immerse yourself in a story where every move counts!

Command massive armies in this epic mech auto-battler. Draft your troops, customize your units, master your formations, and crush enemies in spectacular 3D battles. All strategy, no clickfest. Outsmart opponents in 1v1, 2v2, free-for-all, or Survival Mode.

Become the Captain of an interstellar cruiser and journey across the galaxy to save the Republic. During your journey you will have to make important decisions, improve the weaponry of your ship and fight against numerous enemies.

In this cultivation 4X strategy game, your sect has been in peril, and so they open a portal—sending you, a young disciple and their last hope, inside. Stand tall as the new sect leader and guide disciples to rebuild what was lost. Sharpen your focus, master alchemy, and ascend to immortality.

The RTS/FPS phenomenon has moved into space! Build your base on an asteroid, command fleets of starships for epic battles, pilot fighters, mine and trade resources, assemble robots to defend or assault other stations. Take sole command or share the glory as you fight for control of the quadrant.

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.

Tactical, beautiful, and wholly unique, the GOTY-winning sci-fi RTS returns with Homeworld 3. Assume control and battle through fleet combat in dazzling, fully 3D space while the award-winning story unfolds on a galactic scale.

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.

Skill-based gunplay meets turn-based tactics in SteamWorld Heist 2! Aim carefully, bounce bullets, and pull off trick shots in high-stakes heists. Choose your crew and utilize 150+ items to navigate real-time naval battles and daring missions in this 30+ hour adventure to stop a deadly water crisis.

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.

Defend humanity's last hope, pilot a powerful mech, in Frontlines Crisis! A battlefield swarming with insects makes strategic and combat decisions crucial. Each decision will determine your fate. Defend humanity's last sanctuary, fight fiercely, and uphold human honor with wits and courage!

Starcom: Unknown Space is an action RPG of space exploration and adventure. Build your own starship while discovering an epic story in a universe of strange mysteries, alien factions and uncharted worlds.

Embark on a galactic journey in Cubic Odyssey, an open-world adventure where you explore vibrant planets, craft tools, build vehicles, and fight the Red Darkness. Uncover ancient mysteries, and shape a universe full of life, danger, and limitless possibilities!

Command an ancient starship and fight your way to the heart of a dying Empire. Fend off attacks from demented cultists, craven space pirates, and xenophobic Imperial soldiers. Discover powerful artifacts and use them to build your ship into a fearsome war engine.

Embark on a thrilling journey in a high-stakes, turn-based tactics game. Lead an elite squad in a fictional, dystopian Eastern European country as you unravel a conspiracy threatening the state. Navigate intense strategic battles and adapt to ever-evolving challenges to prevail.

Experience the first-ever open world Star Wars™ game and explore distinct locations across the galaxy, both iconic and new. Risk it all as scoundrel Kay Vess, seeking freedom and the means to start a new life.

Forge your Kingdom amidst the Ruins of Rome in this turn-based 4X strategy game! As the world crumbles, rebuild civilization and shape your people’s destiny. Unleash your strategic prowess, conquer provinces, and crush all who stand in your way.

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.

Create a thriving space station in a lost sector. Face thrilling challenges head-on, from pirate raids to asteroid impacts, as you lead your company to new heights.

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.

This is a idle game modeled on industrial building gameplay. It will be three-dimensional, complex industrial assembly line, easy, simple plane conveyor belt. At the same time to join the battleship assembly, space campaign, character development, giant construction, trade orders and other gameplay!

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!

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.

Constellation Tango is an interstellar 3D turn-based strategy-tactics game. Organize and lead troops to victory in battles across planets. Push back against an oppressive empire to save the galaxy, while making new allies of various species.

Moonbreaker is a turn-based strategy, tactical skirmish game. The game is designed to be a true digital miniatures experience, set in an expansive sci-fi universe crafted by Brandon Sanderson. Direct Captain and Crew in gripping, ever-changing competition and adventure.

Peglin is a Pachinko Roguelike - Fight enemies by collecting special orbs and popping pegs to deal damage. Acquire special relics that radically change the game and ensure no two runs are the same. Aim carefully to survive in this unique turn-based RPG!

Deep Space Cache is a short & simple semi-idle bullet heaven incremental asteroid miner game.

In the third part of the Populous series, you control your shaman and the tribe of her followers in a difficult quest to conquer all 25 planets of a star system and ascend to godhood.

An action roguelite game with alien swarms and mechs. Battle enemies to make your way through a mass of spreading and evolving cells hosting dormant enemies. Collect a variety of game-changing skills and upgrades to create unique builds.

Face relentless alien hordes, collect their resources and assemble an unstoppable squadron of mechs! In this Action Roguelite, discover game-breaking synergies, mix and match weapons and units, unlock upgrades, harvest and conquer alien planets.

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!

Take command of a galactic megacorporation and engage your competitors in planetary battles in this spherical RTS.

Rogue Waters is a Pirate Tactical Turn-Based Rogue-lite. Play as Captain Cutter, commanding your ship and crew through procedurally generated encounters to seek revenge. Recruit, train, and upgrade crew, use powerful sea creatures, and engage in dynamic naval and melee combat to gain the upper hand.

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.

Space Engineers 2 is a playable Early Access Alpha sandbox focused on engineering, exploration, and colonization in a fully destructible universe. Design and build ships, stations, and planetary bases while uncovering the story of Miro and Ivan Sokol. Help shape the future of the Almagest system.

Play the classic STAR WARS™ Battlefront games, online and offline in this definitive collection.

Stranded on a barren moon with nothing but your tools, fuelless ship, and celestial powers of creation, you are destined to recreate what was once lost and be the hero of your own Little Universe! Don't forget to call in up to three of your friends to join your journey in the Splitscreen Co-op Mode!

NEODUEL: Backpack Monsters is an inventory auto-battler with a monster-trainer twist! Collect Cosmions and items, and strategically manage your backpack to create unbeatable combos in tactical duels. Rise through the leagues to become the ultimate Cosmion master!

Imperius is an easy-to-learn, hard-to-master space RTS. Command devastating ships of the Imperius Navy and prove your loyalty by destroying everything in your path, no matter the cost.

Welcome to the asteroid belt. The work is dangerous, the asteroids are temporary, and Earth is prohibitively expensive. Build automated mining operations, complete contracts, and earn your way back home.

Explore the galaxy in this deckbuilding, sci-fi roguelike where ship upgrades and crew management are key to your survival. Optimize resource generation, engage in intense turn-based battles, and take on ever-growing threats as you seek out The Signal.

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.

Taurus War is a Sci-Fi turn-based strategy game.Solemn promise: We will update this game for 10 years!

Jump Space (formerly Jump Ship) is a mission based co-op PvE for 1-4 players, where you are the crew of a spaceship. Transition seamlessly from crewing the ship to on-foot exploration and space walks. Explore, upgrade, and survive intense encounters in deep space together.

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.

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.

Battle for survival against endless alien hordes with your friends! The Anacrusis is a first-person shooter that dynamically adjusts difficulty to you. Experience intense 1-4 player co-op action or play as the aliens and stop your friends in 1-8 player Versus mode. Full Steam Workshop support!

Deadzone: Rogue is a roguelite FPS set in space. Blast through swarms of hostile machines, combine powerful augments and elements to forge your build, and grow stronger with each run — solo or in co-op.