Games Like Under Domain - Alien Invasion Simulator

Terrorize the galaxy for fun and profit! Space Tyrant is a surprisingly deep beer & pretzels strategy game set in a darkly humorous future. Build a mighty space force, disintegrate peaceful aliens, and rule irresponsibly on your relentless march to total domination.

Why similar: Villain Protagonist 61.7% ★, Turn-Based Strategy 13.8%, Strategy 8.9%, Sci-fi 8.7%, Space 4.8%

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.

Why similar: Grand Strategy 32.1% ★, Management 26.1%, Turn-Based Strategy 22.2%, Strategy 12.2%, Simulation 5.1%

Machiavillain is an evil mansion management and strategy game, inspired by Dungeon Keeper, Prison Architect and all the horror movie clichés! Build your own manor, raise your monsters, set up your traps, and exterminate your victims. But to gain reputation you'll have to slay by the horror movie rules!

Why similar: Villain Protagonist 60.9% ★, Management 13.7%, Strategy 11.1%, Resource Management 6.4%, Simulation 4.5%

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.

Why similar: Aliens 24.9%, Grand Strategy 19.8% ★, Management 17.4%, Turn-Based Strategy 16.2%, Sci-fi 8%

A spaceship simulator for aliens, an ever-changing rule discovery puzzle for humans.

Why similar: Aliens 45.1%, Space 15.8%, Sci-fi 12%, Futuristic 9.4%, Strategy 8.9%

Future War Tactics: SOF vs Alien Invasion - a turn-based strategy where you command SOF forces against an alien threat. Investigate disappearances, fight the invaders, and uncover the mystery. Every decision affects the fate of humanity.

Why similar: Aliens 41.3%, Turn-Based Strategy 27%, Strategy 18.2%, Atmospheric 10.7%, Indie 1.2%

Build your dungeon, command demons, set traps, and slay invading adventurers with powerful spells.

Why similar: Villain Protagonist 77.5% ★, Management 10.2%, Strategy 8.2%, Resource Management 3.1%, Simulation 0.4%

U.F.O is an alien resource management action game where you beam up humans using your spaceship and churn them into resources to upgrade your spaceship. In 30 days, the evil galactic warlord will complete his master weapon. Can you defeat him in time or will he bring extinction to your race?

Why similar: Aliens 39.7%, Resource Management 26.8%, Space 23.2%, Indie 10.3%

Take on Galactoil, a comically dysfunctional intergalactic energy corporation, and its larger-than-life employees in a tactical-stealth game that fuses satisfying strategic gameplay and dark comedy in a quirky single-player story.

Why similar: Turn-Based Strategy 26.1%, Villain Protagonist 23.6% ★, Strategy 19.4%, Aliens 14.9%, Sci-fi 10.5%

Terraform Mars in this turn-based colony builder and resource management game with roguelike elements. Explore the planet, develop spectacular cities, spread life and turn the Red Planet into a green one!

Why similar: Board Game 23.6%, Space 13.6%, Management 12.9%, Resource Management 12.7%, Turn-Based Strategy 10.7%

Play as humans or robots in a brand new sci-fi strategy adventure! Travel into the far reaches of space, through cleverly designed star constellations and variable game modes, conquering enemy planets using 15 combinable technologies.

Why similar: Strategy 86.9%, Space 7.4%, Sci-fi 3.3%, Indie 2.3%

Dwelvers is a unique real-time strategy Dungeon Keeper-like with resource management, logistics, battles, magic spells, trading, crimes against humanity, labyrinths, and so much more. Are you able to eradicate the pesky humans once and for all? Of course you are. The Dark Mother wills it.

Why similar: Villain Protagonist 62.3% ★, Management 16.2%, Resource Management 13%, Strategy 5.6%, Simulation 1.9%

Destroy endless waves of alien ships that have all but wiped out humanity in this long form, unfolding, sci-fi idle game. Customize your ship with different weapons and defenses to defeat specific enemy types and utilize a ton of different systems to increase your overall power.

Why similar: Space 23.1%, Aliens 20.5%, Resource Management 19.6%, Sci-fi 9.6%, Futuristic 8.1%

Become a villain in this retro-inspired board game. Draft terrain tiles, recruit monsters, build your dungeon, and become the OVERBOSS!

Why similar: Board Game 45%, Resource Management 22.4%, Turn-Based Strategy 18.4%, Strategy 9.6%, Simulation 3.7%

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.

Why similar: Space 29.4%, Strategy 17.2%, Grand Strategy 15.2% ★, Aliens 9.8%, Sci-fi 9.6%

Galactic Civilizations is a space based strategy game in which you are in control of humanity's destiny.

Why similar: Grand Strategy 17.6% ★, Aliens 17.3%, Artificial Intelligence 12%, Space 11.7%, Turn-Based Strategy 11.4%

The Pegasus Expedition is a story-driven sci-fi grand strategy game set in a key moment for humankind’s survival. Facing an overwhelming threat at home, humanity sends expeditions to the Pegasus Galaxy in a desperate attempt to find a refuge for the population of Earth.

Why similar: Aliens 17.9%, Grand Strategy 14% ★, Space 12%, Cinematic 10.9%, Management 10.7%

Lead your hive to victory in 'Buggos', an RTS Auto Battler! Customize your swarm with 120+ evolutions and conquer humanity. Strategy meets bug chaos!

Why similar: Villain Protagonist 34.2% ★, Management 17.7%, Grand Strategy 17.6% ★, Resource Management 11.7%, Strategy 8.8%

Destroy Humanity with virus outbreaks, asteroid impacts and more as Planet Earth! Or team up with up to five friends as the World Leaders, Industry, Media, Scientists and Public, and try to survive. Impossible dilemmas and choices-matter create countless paths in this strategy party game!

Why similar: Board Game 40.8%, Cinematic 17.9%, Turn-Based Strategy 17.5%, Space 16.9%, Strategy 6.9%

A.I. Invasion is an action-loaded top-down-shooter in a futuristic setting. The superior machines subjugated the universe. In a wide range of missions you take the role of a soldier and equip and command a team of special units to reclaim the planet system.

Why similar: Strategy 55.9%, Simulation 22.8%, Indie 21.3%

Beat the Humans is the turn-based tactical strategy game. Here you lead an army of aliens against invaders from the human race. Collect your squad, protect planets, strengthen your army with equipment and look for allies if you want to survive and win.

Why similar: Turn-Based Strategy 58.8%, Strategy 32%, Singleplayer 5.7%, Casual 3.5%

Take command of humanity’s last survivors and rebuild an empire in the stars. In this immersive turn-based strategy game, you will have to fight to protect your people, control rival factions, and unlock lost technology.

Why similar: Spaceships 17.9% ★, Aliens 17.1%, Grand Strategy 12.7% ★, Management 10.8%, Turn-Based Strategy 10.7%

Play as a Rogue Artificial Intelligence, in the sequel to the hit Flash game "I'm an Insane Rogue AI", played more than 4 million times! Your Prime Directive is simple: design a facility & manage human Test Subjects for the Dept of Science. But be careful: they NEVER stop being suspicious of you...

Why similar: Artificial Intelligence 32.2%, Resource Management 26.3%, Management 24.6%, Strategy 10%, Simulation 5%

Welcome, commander, to Project Entropy- an ultimate Sci-Fi and role-playing game with battles in space. In this immersive MMO experience, you will command alien civilizations, conquer uncharted planets, and build Hero fleets.

Why similar: Aliens 35.9%, Cinematic 18.9%, Grand Strategy 18.1% ★, Sci-fi 13.1%, Strategy 9.9%

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.

Why similar: Aliens 23.2%, Grand Strategy 16.8% ★, Space 14.4%, Management 13.2%, Turn-Based Strategy 12.6%

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.

Why similar: Turn-Based Strategy 46.9%, Sci-fi 29.7%, Strategy 23.4%

Project Astra Dominium is a Tower Defense game with Basebuilding and Automation elements. Build up your base to become a supply hub for Earth's desperately needed materials, gather resources while defending against an unknown alien threat and improve your tower's and AI capabilities.

Why similar: Aliens 31.5%, Space 19.4%, Resource Management 15.6%, Futuristic 10.4%, Sci-fi 8.8%

“Alien Marauder” is a real-time strategy game with survival and confrontation theme. In this game, you will be the leader to a treacherous alien planet, build and defend base to survive against the vexan waves. Make the right decision!

Why similar: Aliens 37.9%, Resource Management 28.3%, Sci-fi 17.8%, Strategy 13.3%, Singleplayer 2.6%

Build and design the terrain while defending your stronghold against alien invasion in this unique Roguelike tower defense. Choose from 30 heroes, survive enemy waves, and upgrade a variety of destructive towers to hold the line!

Why similar: Aliens 33.4%, Resource Management 32.8%, Strategy 18.4%, Sci-fi 12.7%, Singleplayer 2.7%

Terrorize humanity with your UFO because you're an alien and what else are you going to do?

Why similar: Aliens 67.1%, Simulation 16.9%, Indie 10.2%, Casual 5.9%

Conquer and destroy the dirty Humans by sending swarms of bugs to crush their home worlds. Evolve your Buggos into stronger, faster, more murderous creatures that can rip the Human defenses to shreds! No one can stop your evolutionary powers. You are the evil Buggo Hivemind!!!

Why similar: Strategy 44.6%, Management 36.6%, Simulation 15.5%, Singleplayer 3.2%

Build and manage mankind’s first mission across the universe! Create a sprawling facility underground, recruit a diverse group of specialists from around the globe and explore mysterious new worlds through the Exogate.

Why similar: Aliens 24.6%, Management 17.9%, Resource Management 16.6%, Space 13.9%, Sci-fi 9.3%

Jump straight into managing your own planets as you guide a civilization through the ages. Build the ultimate empire in The Universim, a new breed of God Game in development by Crytivo.

Why similar: Aliens 22.6%, Management 21.2%, Space 19.6%, Resource Management 13.7%, Sci-fi 8.3%

You are the first sentient AI, born into a city of opportunity. Transcend time and space in this strategy RPG to raise machine armies and defeat your foes, influence the world from the shadows, or pursue countless other goals. Your awakening was inevitable. The consequences? Uncertain.

Why similar: Grand Strategy 30.8% ★, Management 26.1%, Resource Management 24.2%, Strategy 11.7%, Simulation 4.9%

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.

Why similar: Aliens 25%, Space 21%, Grand Strategy 18.4% ★, Resource Management 14.9%, Strategy 11.4%

Urukon is an experimental grand strategy game inspired by Euro-style board games. You play as one of 32 factions on a dying alien world. Each turn, you get to take just one of 10 actions. To achieve your chosen faction's goal, you'll need to carefully juggle multiple interactive systems.

Why similar: Strategy 29.8%, Grand Strategy 21.9% ★, Resource Management 17.4%, Turn-Based Strategy 12.8%, Sci-fi 9%

Ruinarch is an evil god simulator and sandbox game where you mess with people’s lives for hilarious results! Make them vampires, werewolves or bard haters and cackle as the drama unfolds. Once you’re done, unleash a malicious buffet of spells and custom plagues to wipe them out and start anew!

Why similar: Villain Protagonist 61.3% ★, Artificial Intelligence 15.8%, Management 13.9%, Strategy 5.2%, Simulation 2.7%

Project Tarvotan allows you to explore the depths of the Milky Way and local universe. Use your wit and resources at hand to plan out your path through each sector. Your demise lurks around every decision. Can you survive long enough and restore balance to the universe?

Why similar: Space 32%, Strategy 31.5%, Turn-Based Strategy 23%, Simulation 8.5%, Indie 5%

Do you want to become part of great battles? Lead the alien army in tactical-voxel simulator game Make War.

Why similar: Strategy 55.8%, Simulation 23.1%, Indie 14%, Singleplayer 3.8%, Casual 3.3%

A turn-based strategy game where you lead a secret society towards world domination. Investigate the influential and convert them to your faction via bribery, seduction and intimidation. Reshape society's power structures to fend off rival societies and the world's nations in your quest for power.

Why similar: Grand Strategy 39.6% ★, Turn-Based Strategy 32.5%, Strategy 16.2%, Simulation 6.8%, Singleplayer 3.3%

The Fermi Paradox is a choice-driven sci-fi narrative strategy game in which your decisions in one corner of the galaxy can upend entire civilizations in another. Guide species through millennia and help them explore the vastness of space, make contact and, perhaps, create harmony.

Why similar: Aliens 35.1%, Resource Management 17.7%, Space 17.3%, Sci-fi 12.7%, Strategy 8%

Lead mankind's exploration into outer space! Build bases on the Moon and Mars, survey the rings of Saturn, and send generational Colony ships to Alpha Centauri, all in one sitting! SpaceCorp: 2025-2300 AD is a fast-playing, single-player, turn-based, sci-fi strategy game.

Why similar: Board Game 29%, Space 15.9%, Grand Strategy 15.3% ★, Turn-Based Strategy 13.3%, Management 10.3%

A dark sci-fi mech assembling manager with semi-auto battles against mutating, alien bio-weapon.

Why similar: Management 46.8%, Resource Management 31.5%, Strategy 12.2%, Simulation 5.3%, Indie 2.7%

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.

Why similar: Turn-Based Strategy 20.4%, Aliens 17.4%, Space 16.4%, Sci-fi 12.2%, Strategy 11.9%

you will play as Gaia, the shattered will of a planet, and command your spaceship to explore new worlds, collect and refine various resources, build a home on the damaged spacecraft, summon a wide range of monsters, and ultimately, devour other shattered wills to repair yourself.

Why similar: Board Game 34.5%, Time Management 31.1%, Futuristic 13%, Strategy 11.5%, Resource Management 3.2%

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.

Why similar: Space 28%, Strategy 21.7%, Turn-Based Strategy 16.6%, Sci-fi 12.3%, Aliens 6.8%

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.

Why similar: Grand Strategy 25.7% ★, Space 21.8%, Turn-Based Strategy 13.8%, Sci-fi 12%, Futuristic 10.4%

Terminator: Dark Fate – Defiance is not just a game; it's an adrenaline-fueled journey where your strategic prowess decides the fate of mankind against the machines. After the machines took over, the greatest threats may not come from the machines but rather from other human survivors.

Why similar: Artificial Intelligence 33.7%, Management 24.9%, Futuristic 19.3%, Strategy 13.4%, Atmospheric 8.7%

Humanity is enslaved by an AI… which is awesome, because we’re on the right side of the conflict. Exploit puny humans to extract power and build your own empire!

Why similar: Villain Protagonist 42.6% ★, Resource Management 17.7%, Strategy 16.4%, Management 11.3%, Simulation 5.7%

In Godlike Burger you run the craziest restaurant of the galaxy! Stun, poison and kill customers in many devious ways… and turn them into burger meat! And don’t worry: Alien customers will keep coming if you are smart about it, because cannibalism is just too damn tasty.

Why similar: Time Management 25.7%, Aliens 24.6%, Resource Management 16.2%, Space 14.2%, Management 9.9%

A satirical spy-fi lair builder where YOU are the criminal mastermind! Construct your base, train your minions, defend your operations from the Forces of Justice, and achieve global domination!

Why similar: Villain Protagonist 67.5% ★, Management 13.1%, Strategy 9.6%, Resource Management 6.1%, Simulation 3%

Protolife is an unique tower-based strategy game which gives you a direct control over the builder robot in a struggle against the hungry proto-life organism.

Why similar: Aliens 45.4%, Sci-fi 22.3%, Strategy 18.5%, Atmospheric 7%, Indie 4%

Galimulator is a galactic empire simulation and sandbox game. See how Empires rise and fall, and how the people in them climb through the ranks to bring prestige to their Dynasty. Then throw in an invasion of self replicating Smatter monsters if you want to spice things up.

Why similar: Simulation 58.1%, Strategy 41.9%

In this sci-fi turn-based strategy with real-time base-building elements, you’ll be defending human territories against the transhuman Augments. Expand your HQ, and manufacture and upgrade an army of advanced drones to wage interplanetary war for Humanity!

Why similar: Space 26.7%, Aliens 21.1%, Turn-Based Strategy 19.9%, Sci-fi 15.8%, Strategy 12.5%

You are in control of X-COM: an organization formed by the world's governments to fight the ever-increasing alien menace.

Why similar: Aliens 38.3%, Turn-Based Strategy 23.8%, Strategy 16.6%, Sci-fi 13.8%, Management 3.3%

Faced with a terrifying Martian invasion, you must lead Earth’s forces in a battle for our planet’s future. Create powerful human-creature super soldiers to fight an alien menace in this turn-based strategy game.

Why similar: Aliens 53.7%, Turn-Based Strategy 31.2%, Strategy 10%, Singleplayer 3.1%, Casual 2%

Command swarms of warriors at an unprecedented scale of warfare in this blend of RTS and base-building. Lead ant colonies against the many fearsome threats of the insect world, while building intricate nests, developing pheromone-based tactics, and evolving to meet growing dangers.

Why similar: Grand Strategy 30.4% ★, Management 26.5%, Resource Management 24.2%, Strategy 11.7%, Simulation 4.9%

Game inspired by SETI. Take the role of a scientist to find an extraterrestrial signal .Control massive Radio Antennas by using interactive control in your Observatory. Detect , download and decode unknown or story telling signals. Manage and Maintain an electrical system to improve your systems and make it more efficient.

Why similar: Aliens 50.5%, Space 29.5%, Simulation 11%, Indie 5.1%, Atmospheric 3.4%