Games like Human Extinction Simulator
by Machine 22
Tactical turn-based space battles. Elaborate war strategies to prepare against the inevitable alien invasion.
View on Steam · $19.99 →
Ranked by how similar the games actually are, not by sales. Released and Price are remembered for next time.
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$4.99X-COM: Terror From the Deep
May 4 · MicroProse Software, Inc
Both: Turn-Based · Turn-Based Strategy · Sci-fi
The war continues... X-COM: UFO Defense brought you to a galactic battlefield. X-COM: Terror from the Deep brings the alien terror into a totally new dimension.Seeking to take advantage of a weakened Earth, X-COM's deep space foes unexpectedly change strategy and launch a powerful second front against planet Earth.
StrategyTurn-BasedTurn-Based StrategySci-fiClassicTacticalAliensUnderwaterTurn-Based TacticsDifficult👍 764
-75%$3.74Sid Meier's Starships
Mar 12 · Firaxis Games
Both: Space · Turn-Based Strategy · Sci-fi
Build and command a fleet of starships and travel between planets as you explore, build, negotiate, and fight to preserve your vision for humanity.
StrategySpaceTurn-Based StrategySci-fiSingleplayerTacticalCasual4XTurn-Based👍 1,964
$4.99X-COM: UFO Defense
Sep 4 · MicroProse Software, Inc
Both: Turn-Based Strategy · Sci-fi · Turn-Based
You are in control of X-COM: an organization formed by the world's governments to fight the ever-increasing alien menace.
StrategyClassicTurn-Based StrategySci-fiAliensTurn-BasedTacticalDifficultSingleplayerTurn-Based Tactics👍 3,206
$1.99Galaxy Admirals
Jan 17 · Jetdogs Studios
Both: Turn-Based Strategy · Space · Turn-Based
Galaxy Admirals is a multiplayer turn-based cosmic strategy with pretty innovative and challenging gameplay. Improve your command skills with AI and conquer the whole universe by fighting with real players.
StrategyTurn-Based StrategySpaceTurn-Based2DHex GridMultiplayerSci-fiBoard GameAdventure👍 126
-50%$7.49Final Theory
Sep 21 · Monticube
Both: Turn-Based · Hex Grid · Sci-fi
Final Theory is a 4X-lite turn-based strategy game where you command fleets of battleships engaged in a galactic civil war. It presents an exciting experience for both veteran players and those new to the genre. It features innovative combat mechanics but also hearkens back to some of the classics.
StrategyTurn-BasedSpaceshipsHex Grid4XSci-fiTurn-Based TacticsTurn-Based StrategyTurn-Based CombatSpace👍 386
$19.99The Last Federation
Apr 18 · Arcen Games
Both: Space · Turn-Based · Sci-fi
From the creators of AI War: Fleet Command comes an all-new grand strategy title with turn-based tactical combat, set in a deep simulation of an entire solar system and its billions of inhabitants. You are the last of a murdered race, determined to unify or destroy the 8 others.
StrategySpaceSimulationIndieTurn-Based4XSci-fiGrand StrategyReal-Time with PauseTactical👍 380
Warhammer 40,000: Space Wolf
Sep 21 · HeroCraft PC
Both: Turn-Based · Turn-Based Strategy · Tactical
A unique combination of turn-based strategy, RPG and collectible card game. Win tough battles using a vast arsenal of weapons, abilities and the cunning of the sky warriors! Success on the battlefield depends on choosing the right mix of cards and planning your decisions meticulously.
Turn-BasedStrategyWarRPGTurn-Based TacticsTurn-Based StrategyCard GameBoard GameTacticalDifficult👍 943
Interplanetary
May 12 · Team Jolly Roger
Both: Space · Turn-Based Strategy · Turn-Based
In this turn-based strategy game, players wage interplanetary wars by developing their home planets and firing massive artilleries through the unpredictable gravity fields of the planetary system.
StrategyIndieSpaceTurn-Based StrategyTurn-BasedMultiplayerSingleplayerSci-fiPhysicsLocal Multiplayer👍 541
$39.99Xenonauts 2
Apr 2 · Goldhawk Interactive
Both: Turn-Based Strategy · Sci-fi · Tactical
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.
StrategyRPGTurn-Based TacticsTurn-Based StrategySci-fiTurn-Based CombatTacticalTurn-BasedPvECharacter Customization👍 4,857
$5.99Master of Orion 2
Feb 25 · SimTex
Both: Turn-Based · Space · Sci-fi
Forge an empire in a universe where population growth is stripping away planetary resources. Colonize unknown planets and trade with other races for their knowledge.
Strategy4XTurn-BasedSpaceSci-fiClassicTurn-Based StrategyMultiplayerSingleplayerRetro👍 1,658
$19.99Space Hulk: Ascension (Classic)
Aug 12 · Full Control Studios
Both: Turn-Based · Tactical · Sci-fi
Space Hulk: Ascension is a 3D, digital, turn based, strategy game, which re-interprets the classic board game experience, and adds new RPG style mechanics, new weapons and missions, new enemy types, 3 playable chapters and loads of other new features to the single player experience.
StrategyTurn-Based TacticsRPGTurn-BasedTacticalBoard GameSci-fiTurn-Based StrategySingleplayerAction👍 742
$14.99Interplanetary: Enhanced Edition
Aug 2 · Team Jolly Roger
Both: Space · Turn-Based Strategy · Turn-Based
In this turn-based strategic artillery game, players wage interplanetary wars by developing their home planets and firing massive barrages through the unpredictable gravity fields of the solar system.
StrategySimulationIndieSpaceTurn-Based StrategyTurn-BasedMultiplayerTurn-Based TacticsSingleplayerSci-fi👍 552
$5.99Master of Orion 1
Feb 25 · SimTex
Both: Turn-Based · Space · Sci-fi
Forge an empire in a universe where population growth is stripping away planetary resources. Colonize unknown planets and trade with other races for their knowledge.
Strategy4XTurn-BasedSpaceClassicSci-fiSingleplayerTurn-Based Strategy2D1990's👍 441
-30%$13.99Warhammer 40,000: Sanctus Reach (Classic)
Jan 19 · Straylight Entertainment
Both: Turn-Based · Turn-Based Strategy · Tactical
Warhammer 40,000: Sanctus Reach is a 3D turn-based strategy game like you’ve never seen before: fast, immediate, deep, impressive to look at and incredibly fun! Fight through a dark era of carnage and endless war and lead the Space Wolves in a struggle to defend the last bastion of mankind.
StrategyTurn-BasedTurn-Based StrategyTurn-Based TacticsTacticalWargameSci-fiMultiplayer👍 1,158
UFO: Extraterrestrials Gold
Feb 17 · Chaos Concept
Both: Tactical · Turn-Based Strategy · Turn-Based
UFO: Extraterrestrials GOLD is a new GOLD edition which includes a number of changes and improvements giving a player a new look on the classic game: new maps, possibility to hire soldiers, globe UFO swarms and configurability.
StrategyTacticalTurn-Based StrategyTurn-BasedAliensSci-fiSingleplayerRPG👍 172
-80%$2.99Space Empires V
Oct 16 · Malfador Machinations
Both: Space · Turn-Based · Sci-fi
Space Empires V is the latest edition in the Space Empires series. This new chapter completely updates the UI and takes the player into a real-time rendered 3D universe. Watch space battles played out in glorious detail and realistic effects. Expand, Explore, Exploit, and Exterminate in a huge living breathing galaxy.
Strategy4XSpaceTurn-BasedSci-fiSingleplayerTurn-Based StrategyMultiplayer👍 423
-75%$4.99Expeditions: Conquistador
May 30 · Logic Artists
Both: Turn-Based · Turn-Based Strategy · Tactical
Conquer the New world: In the 16th Century, Spanish explorers and soldiers reached the shores of America. The search for gold, fame, and adventure drove these travelers into a treacherous wilderness where they faced hunger, disease, and dangerous predators. In their wake, the Aztec Empires lay in ruins.
RPGStrategyTurn-BasedIndieTurn-Based StrategyHistoricalExplorationTacticalIsometricStory Rich👍 1,231
$9.99Master of Orion 3
Aug 25 · Quicksilver Software
Both: Space · Turn-Based · Sci-fi
Experience first-hand the challenges of leading one of 16 different races into unequalled galactic supremacy and face a universe of decisions. Set policies, explore, build, declare war, negotiate - put all these elements into motion to guarantee your place in the annals of space and time.
Strategy4XSpaceTurn-BasedSci-fiTurn-Based Strategy👍 177
-60%$15.99ZEPHON
Nov 8 · Proxy Studios
Both: Turn-Based · Tactical · Sci-fi
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?
StrategyTurn-Based4XTacticalMultiplayerLovecraftianSandboxCo-opSci-fiProcedural Generation👍 1,841
$19.99Spaceland: Sci-Fi Indie Tactics
Sep 30 · Tortuga Team
Both: Turn-Based Strategy · Tactical · Sci-fi
Incredibly dynamic turn-based strategy, reviving the traditions of the old school tactics. Lead a team of the most desperate fighters, destroy alien monsters and uncover the secrets of the lost planet.
Turn-Based TacticsTactical RPGTurn-Based StrategyStrategy RPGTacticalStrategySci-fiSingleplayerSpaceIsometric👍 358
$4.99Galactic Civilizations® I: Ultimate Edition
Aug 14 · Stardock Entertainment
Both: Turn-Based · Difficult · Turn-Based Strategy
Galactic Civilizations is a space based strategy game in which you are in control of humanity's destiny.
4XGrand StrategyTurn-BasedStrategyPvEDifficultTurn-Based Strategy2DSandboxTop-Down👍 139
-50%$19.99Terra Invicta
Jan 5 · Pavonis Interactive
Both: Turn-Based Strategy · Tactical
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.
StrategyGrand StrategySimulation4XEconomyWarHistoricalTurn-Based StrategyTacticalManagement👍 9,064
$29.99Galactic Civilizations III
May 14 · Stardock Entertainment
Both: Sci-fi · Turn-Based Strategy · Hex Grid
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.
AliensSci-fi4XTurn-Based StrategySandbox3DGrand StrategyModdableHex GridPvE👍 8,337
$4.99Sid Meier's Alpha Centauri™ Planetary Pack
Mar 7 · Firaxis Games
Both: Space · Turn-Based Strategy · Sci-fi
Sid Meier's Alpha Centauri™ Planetary Pack includes the original Alpha Centauri and the expansion, Alien Crossfire.
Strategy4XMultiplayerSingleplayerSpaceTurn-Based StrategySci-fiClassic👍 599
$11.99Isaiah 188
Jan 6 · Sector Z Games
Both: Turn-Based Strategy · Hex Grid · Sci-fi
Fight on the ground and in space around 17 different bodies in our solar system with unique lite orbital mechanics. Recruit armies, build fleets, and conquer the solar system as one of three unique factions in this turn based strategy game!
Early AccessTurn-Based TacticsTurn-Based StrategySpace SimHex GridStrategySci-fiPixel GraphicsSpaceWargame
$18.99Spacer: Legacies
Sep 23 · Brazen Legions
Both: Tactical · Space · Sci-fi
Spacer: Legacies is a game of turn-based tactical combat between small and large capital ships. Recruit skilled captains to command your vessels and choose the abilities that will make them unstoppable. Pursue vengeance in a gripping campaign across the whole of the Tantalus Cluster.
StrategyTacticalSpaceSci-fiTurn-Based CombatTurn-Based TacticsTactical RPGTurn-Based Strategy
$9.99Flotilla
Apr 29 · Blendo Games
Both: Turn-Based · Sci-fi
Lead your orbital battleships to victory in Flotilla! Fight, trade, and explore new planets in your journey through the galaxy. Featuring tactically rich 3D combat, flank and surprise the enemy from any direction. When the dust settles, generate another randomized universe for a brand new adventure!
StrategyRogueliteExplorationTurn-BasedSci-fiFunnySpace SimRoguelike3DStory Rich👍 202
$29.99Horizon
Feb 6 · L3O Interactive
Both: Space · Sci-fi · Turn-Based
Horizon is a turn-based space strategy game of galactic exploration and conquest in which you are in control of humanity’s destiny. You will explore deep space, find new frontiers and discover alien artifacts hidden on long-abandoned planets.
StrategyGrand StrategySpace4XSimulationSci-fiExplorationSandboxSingleplayerTurn-Based👍 377
-80%$1.99Nexus - The Jupiter Incident
Jul 3 · Mithis Games
Both: Space · Sci-fi · Tactical
Ambitious megacorporations monopolize the conquest of space and the colonization of the solar system. At the very edge of the solar system, the companies make a discovery that will shift the technological advantage and upset the balance. And so a new conflict is born: "The Jupiter Incident."
StrategySpaceSci-fiSimulationRTSSingleplayerTacticalIndieAtmosphericClassic👍 987
RAM Pressure
Sep 15 · QuadCom Interactive, GDT
Both: Turn-Based · Tactical · Sci-fi
Tactical story-driven online multiplayer game combining the turn-based combat of X-COM with a deep, well-grounded sci-fi setting. Experience intense tactical online multiplayer action and explore a deep plot and unique storyline built on both single-player and multiplayer missions.
StrategyTurn-Based TacticsTurn-BasedFree to PlayTacticalMultiplayerSci-fiFuturisticActionAtmospheric
FreeSpace Wars: Interstellar Empires
Dec 8 · Desert Owl Games LLC
Both: Tactical · Hex Grid · Space
Helm your own ship, battle for supremacy in a multi-faction war, and conquer the cosmos in this science fiction turn-based strategy game. Select from more than 100+ diverse star ships and fight for territory across a 2D hex-based grid.
Early AccessFree to PlayMassively MultiplayerTacticalStrategyTurn-Based TacticsHex GridIndieSpace
$49.99Sins of a Solar Empire II
Aug 15 · Ironclad Games Corporation, Stardock Entertainment
Both: Space · Sci-fi · Tactical
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.
SpaceStrategyRTS4XSingleplayerSci-fiMultiplayerTacticalCo-opPvE👍 7,158
$34.99UFO2: Extraterrestrials
Jun 15 · Chaos Concept
Both: Turn-Based Strategy · Sci-fi · Tactical
Are strategy games with strong RPG elements your cup of tea? Did you enjoy games like Xcom: UFO Defence, the Fallout series, the Civilization series, the Heroes of Might and magic? And now you are looking for something new to satisfy your craving for turn-based fun?
RPGStrategyTactical RPGTurn-Based TacticsTurn-Based Strategy3DSci-fiTurn-Based CombatAliensTactical👍 144
$19.99Horizon's Gate
Mar 9 · Rad Codex
Both: Turn-Based · Turn-Based Strategy
Voyage into the wide world of Eral as an explorer, trader, or privateer. Defeat your enemies on land or at sea in deep but straightforward tactical combat. Unravel the secrets behind Dominio's betrayal – or sail off in search of your own adventure.
Tactical RPGOpen WorldExplorationSailingTurn-BasedCharacter CustomizationTurn-Based StrategyRPGPixel GraphicsParty-Based RPG👍 1,213
$24.99Chains of Freedom
Apr 15 · Nordcurrent
Both: Tactical · Sci-fi · Turn-Based Strategy
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.
StrategyTurn-Based CombatTacticalTurn-Based TacticsSci-fiCombatTurn-Based StrategyCinematicRealisticThird Person👍 520
$9.99Space Rogue
Sep 15 · Red Beat
Both: Space · Tactical · Sci-fi
Take on the role of a spaceship captain. Explore new worlds, and engage in intense ship-to-ship battles. Develop unique battle tactics, upgrade your ship, and recruit crew members as you fight for peace or piracy.
SpaceStrategySurvivalIndieSandboxTacticalExplorationSimulationReplay ValueSci-fi👍 396