Games Like X-COM: Terror From the Deep

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

Why similar: Classic 26.6% ★, Turn-Based 14.6%, Turn-Based Strategy 12%, Aliens 10.1%, Strategy 10%

Why You'll Like It: The original classic that established the core gameplay loop of base management and turn-based tactical combat against alien invaders.

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: Turn-Based Strategy 16.6%, Turn-Based 16.4%, Aliens 13.4%, Turn-Based Tactics 10.5%, Tactical 10.1%

Why You'll Like It: A faithful spiritual successor that modernizes the original X-COM formula while maintaining its brutal difficulty and strategic depth.

The XCOM: Enemy Unknown - Slingshot Pack is Now Available!

Why similar: Turn-Based 22.2%, Turn-Based Strategy 21.3%, Tactical 14%, Aliens 13.9%, Strategy 10.8%

Why You'll Like It: The definitive modern reimagining of the franchise that successfully translates the classic tension into a polished, high-production 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.

Why similar: Turn-Based Strategy 27.1%, Tactical 18.3%, Turn-Based Tactics 17.3%, Strategy 16.3%, Sci-fi 14.3%

Why You'll Like It: An updated take on the classic formula featuring improved graphics and refined tactical mechanics for fans of the original series.

XCOM 2 is the sequel to XCOM: Enemy Unknown, the 2012 award-winning strategy game of the year. Earth has changed and is now under alien rule. Facing impossible odds you must rebuild XCOM, and ignite a global resistance to reclaim our world and save humanity.

Why similar: Turn-Based 26.1%, Turn-Based Strategy 16.8%, Tactical 13.9%, Turn-Based Tactics 11%, Strategy 11%

Why You'll Like It: A direct sequel that expands on its predecessor with deeper character customization, procedural maps, and more aggressive tactical options.

There's something evil in the city tonight... Earth has been ravaged by human excess, petty conflict and alien invasion. The world's population has been herded into huge cities, the first of which was Mega Primus. 2084: A Utopia shattered, social collapse and civil unrest reigns in Mega Primus. Fiendish aliens terrorize the city.

Why similar: Turn-Based 21.2%, Classic 19.8% ★, Strategy 14.5%, Aliens 12.8%, Tactical 10.5%

Why You'll Like It: The third entry in the classic series that introduces a sprawling urban environment and a more complex research and political system.

The acclaimed strategy game from the creator of X-COM. Fight tactical battles on procedural maps against a foe that adapts to your tactics. Manage diplomacy and economy on a global scale. Research, explore, overcome. Now includes Steam Workshop support for mods!

Why similar: Turn-Based Strategy 24.5%, Aliens 24.2%, Tactical 19.2%, Strategy 13.9%, Isometric 12.5%

Why You'll Like It: Developed by the creator of the original X-COM, this game features complex tactical combat and a unique evolving alien threat.

Stirring Abyss is an indie tactical squad-based game with strong RPG elements in which you uncover the ancient mysteries of the depths depicted in the classic vein of Lovecraftian horror.

Why similar: Underwater 27.2% ★, Lovecraftian 19.5%, Turn-Based 12.7%, Turn-Based Strategy 10.1%, Strategy 8.3%

Why You'll Like It: Perfectly captures the underwater, Lovecraftian, and tactical survival atmosphere that made Terror From the Deep so unique.

XCOM: Chimera Squad delivers an all-new story and turn-based tactical combat experience in the XCOM universe.

Why similar: Turn-Based 22.7%, Strategy 18.5%, Turn-Based Tactics 18.4%, Turn-Based Strategy 15%, Aliens 14%

Why You'll Like It: A focused spin-off that emphasizes tight, breach-and-clear tactical combat with unique character abilities.

Lead humanity’s greatest weapon, the Grey Knights, in this fast-paced turn-based tactical RPG. Root out and purge a galaxy-spanning plague in a cinematic, story-driven campaign, using the tactics and talents of your own personalised squad of Daemonhunters.

Why similar: Turn-Based Strategy 32%, Tactical 21.9%, Turn-Based Tactics 20%, Strategy 16%, Sci-fi 10.2%

Why You'll Like It: Offers a high-quality, brutal tactical experience that mirrors the squad-level management and intense combat of the XCOM series.

The country of Grand Chien is thrown into chaos when the elected president goes missing and the paramilitary force known as “the Legion” seizes control. Hire mercs, meet interesting characters, and fight in tactically deep turn-based combat in this true successor to a beloved franchise.

Why similar: Turn-Based Strategy 20.1%, Strategy 18.5%, Tactical 17.9%, Turn-Based Tactics 17.3%, Turn-Based 11.8%

Why You'll Like It: Provides deep, satisfying turn-based tactical combat with a focus on squad management and mercenary customization.

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?

Why similar: Turn-Based Strategy 26.2%, Strategy 20.4%, Turn-Based Tactics 16.9%, Aliens 15.8%, Tactical 10.4%

Why You'll Like It: The sequel to the classic-style clone that continues the tradition of turn-based tactical combat against alien forces.

Lead your Space Commandos in a revival of turn-based squad tactics inspired by UFO/XCOM and Aliens. Utilize in-depth skill & combat systems in multiple game modes, including a full campaign. Discover the truth behind the demise of colony MC83-A and join the USC in defending humanity!

Why similar: Turn-Based 28.1%, Turn-Based Strategy 17.3%, Tactical 12.6%, Turn-Based Tactics 11.3%, Strategy 10.2%

Why You'll Like It: A hardcore tactical turn-based game that focuses on squad survival and environmental interaction in a sci-fi setting.

Age of Wonders: Planetfall is the new strategy game from Triumph Studios, creators of the critically acclaimed Age of Wonders series, bringing all the exciting tactical turn-based combat and in-depth empire building of its predecessors to space in an all-new, sci-fi setting.

Why similar: Turn-Based Strategy 25.3%, Turn-Based 23%, Strategy 15.8%, Tactical 10.6%, Aliens 10.2%

Why You'll Like It: Blends 4X empire-building with tactical turn-based combat in a sci-fi setting, offering a broader strategic scope.

Silent Storm from leading Russian developer Nival is a true 3D tactical turn-based Role-Playing-Game set against the backdrop of WWII. As the conflict rages on the frontlines, you’ll be leading a small multinational squad behind enemy lines to gather information and wreak havoc on your enemies while trying to thwart a mysterious new...

Why similar: Turn-Based 29.7%, Classic 15.6% ★, Turn-Based Tactics 14.4%, Strategy 12.9%, Tactical 11.9%

Why You'll Like It: A classic tactical game known for its incredible destructible environments and deep turn-based squad combat.

Take command of your own mercenary outfit of 'Mechs and the MechWarriors that pilot them, struggling to stay afloat as you find yourself drawn into a brutal interstellar civil war.

Why similar: Turn-Based 29.9%, Strategy 15.7%, Turn-Based Strategy 14.9%, Turn-Based Tactics 13.9%, Tactical 10.8%

Why You'll Like It: Features deep turn-based tactical combat and extensive unit management that will appeal to fans of XCOM's strategic layer.

Tactical Squad-Based Combat comes to the Fallout® Universe! You are the wretched refuse. You may be born from dirt, but we will forge you into steel. You will learn to bend; if not you, will you break. In these dark times, the Brotherhood - your Brotherhood - is all that stands between the rekindled flame of civilization and the howling,...

Why similar: Turn-Based 28.1%, Classic 21.3% ★, Tactical 13.1%, Strategy 10.9%, Turn-Based Strategy 9.3%

Why You'll Like It: A classic isometric tactical game that emphasizes squad-based combat and character development.

Drop into the gripping journey of Aliens: Dark Descent, a squad-based, single-player action game in the iconic Alien franchise. Lead your soldiers in real-time to stop a new and terrifying kind of Xenomorph outbreak on Planet Lethe.

Why similar: Tactical 25.3%, Strategy 24.6%, Aliens 21.5%, Sci-fi 14.9%, Isometric 7.7%

Why You'll Like It: While real-time, it perfectly captures the dread and tactical management of fighting an overwhelming alien threat.

Challenge the horrifying reign of Nazi terror and battle an immortal evil in Achtung! Cthulhu Tactics; a turn-based tactical strategy game set in the award-winning Achtung! Cthulhu universe.

Why similar: Turn-Based 30.5%, Turn-Based Strategy 17.7%, Strategy 15%, Turn-Based Tactics 14.7%, Lovecraftian 11.6%

Why You'll Like It: Focuses on turn-based tactical combat against supernatural enemies, echoing the eerie atmosphere of Terror From the Deep.

UFO: Aftermath is a 3D isometric, tactical strategy game with a rich and compelling sci fi story.

Why similar: Strategy 42.3%, Aliens 23.3%, Tactical 21.1%, Sci-fi 12.1%, Singleplayer 1.2%

Why You'll Like It: The beginning of the After-series, offering a mix of strategic base management and tactical combat against alien forces.

UFO: Aftershock is a combination of tactical squad combat and global strategy that enhances and expands upon its prequel, UFO: Aftermath.

Why similar: Strategy 46.8%, Aliens 22.6%, Sci-fi 15.5%, Tactical 15.1%

Why You'll Like It: A tactical squad-based game that continues the After-series tradition of managing a base while fighting for Earth's survival.

Explore a flooded world and save humanity from a terrible threat in this turn based, tactical RPG with roguelike elements

Why similar: Turn-Based 38.2%, Turn-Based Strategy 16.5%, Strategy 16.2%, Turn-Based Tactics 16.1%, Sci-fi 11.8%

Why You'll Like It: A tactical turn-based RPG set in a post-apocalyptic world that features squad management and challenging combat encounters.

The year is 1983. The world teeters on the verge of destruction as the Cold War tightens its icy grip. East or West: trust no one, question everything. The fate of humanity rests in your hands as you pit spy versus spy in tactical Phantom Doctrine.

Why similar: Turn-Based 23.9%, Turn-Based Tactics 21.9%, Strategy 19%, Turn-Based Strategy 15.8%, Tactical 12.9%

Why You'll Like It: Combines base management and turn-based tactical combat with a Cold War espionage theme that feels like a grounded XCOM.

Take control of Invisible's agents in the field and infiltrate the world's most dangerous corporations. Stealth, precision, and teamwork are essential in high-stakes, high-profit missions, where every move may cost an agent their life.

Why similar: Turn-Based 21.9%, Turn-Based Strategy 11.9%, Turn-Based Tactics 11.9%, Tactical 11.2%, Strategy 11.1%

Why You'll Like It: A high-stakes tactical game that emphasizes stealth and careful planning, capturing the tension of XCOM's most difficult missions.

The story is situated on Mars. It starts where UFO: Aftermath left off and runs simultaneously with UFO: Aftershock. While the Laputans on Earth are fighting Wargots and Starghosts and finding out what caused the destruction of their home planet, a small colony on Mars is trying to survive and flourish.

Why similar: Strategy 28.6%, Tactical 18.2%, Aliens 17.7%, Turn-Based 17.3%, Sci-fi 13%

Why You'll Like It: The sci-fi conclusion to the After-series, focusing on base management and tactical exploration on Mars.

Gears Tactics is the fast-paced, turn-based strategy game from one of the most-acclaimed video game franchises – Gears of War. Outnumbered and fighting for survival, recruit and command your squad to hunt down an evil mastermind who makes monsters.

Why similar: Strategy 30.9%, Turn-Based 29.5%, Turn-Based Tactics 15.8%, Tactical 11.9%, Turn-Based Strategy 4.1%

Why You'll Like It: A fast-paced, high-production tactical game that excels at making every turn feel impactful and dangerous.

Hard West 2 is a journey to the heart of darkness in the American West. Take control of a supernatural posse and catch the mysterious Ghost Train. Outsmart, outcheat and outgun your enemies in this turn-based tactics game set in a Wild West world where nothing is as it seems.

Why similar: Turn-Based 27%, Turn-Based Strategy 21.8%, Turn-Based Tactics 13.6%, Tactical 13%, Strategy 11.7%

Why You'll Like It: Features unique turn-based tactical mechanics and a dark, supernatural theme that keeps the tension high.

Submarine Titans is a real-time strategy video game that takes place in the year 2115 after a comet has struck Earth, driving two human factions, the militant White Sharks and the scientific Black Octopi, to establish underwater bases and fight for dominance over the oceans.

Why similar: Strategy 43.6%, Classic 25.2% ★, Underwater 14.5% ★, Tactical 7.7%, Sci-fi 7.3%

Why You'll Like It: An underwater-themed real-time strategy game that shares the aquatic setting and sci-fi aesthetic of the seed game.

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: Turn-Based 33.4%, Turn-Based Strategy 17.8%, Strategy 14.4%, Aliens 14.2%, Turn-Based Tactics 14%

Take charge of the most deadly modern-day submarines in the world - three distinct submarines across two unique and challenging campaigns. Utilize cutting-edge sensor and weapon technology to locate, track and destroy the enemy - even deliver Tomahawk missiles to inland targets.

Why similar: Underwater 53.3% ★, Strategy 25.9%, Old School 11.4%, Difficult 6.2%, Retro 2.3%

Why You'll Like It: Provides the most authentic submarine simulation experience for those who enjoyed the underwater theme of the seed game.

Dive deep into this Lovecraft-inspired RTS survival for a second time. Assemble your strike team and manage your convoy. It's up to you to survive the onslaught of nightmares that are surely coming your way. Will you find the source of the darkness?

Why similar: Aliens 43.5%, Strategy 31.5%, Sci-fi 10.6%, Horror 9.9%, Lovecraftian 2.9%

Harpoon Classic 97 a naval warfare simulation game that builds on the legacy of the original Harpoon®. Command naval forces, including ships, submarines, and aircraft, across global theaters like the Nth Atlantic, Indian Ocean, Persian Gulf and Mediterranean, a realistic modern naval combat.

Why similar: Strategy 81.2%, Management 17.2%, Singleplayer 1.6%

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 25.7%, Turn-Based 24%, Strategy 18.1%, Sci-fi 12.8%, Aliens 11.5%

They're back...only this time the heinous aliens are out to destroy Earth and rule the new frontier. As X-COM commander, it's your sole duty to protect humanity and the prized mining operations in outer space.

Why similar: Strategy 64.7%, Sci-fi 33.9%, Singleplayer 1.4%

Commandos 2: Men of Courage is a tactical action/strategy game set against the backdrop of World War II. Take control of an elite group of commandos who must venture deep into enemy territory and utilize their combined expertise to complete a series of mission-based objectives.

Why similar: Classic 33.8% ★, Strategy 30%, Tactical 23.4%, Isometric 6.2%, Difficult 3.5%

X-COM: Earth's top-secret eXtraterrestrial COMbat unit The Place: America - early 21st century The Mission: Eradicate the extraterrestrials Alien forces have invaded Earth and are terrorizing the population.

Why similar: Strategy 47.9%, Sci-fi 26.5%, Aliens 25.6%

From a distant corner of the galaxy, an evil alien race sets in motion a sinister plan to conquer the Earth. They unleash a powerful catalyst — Energy X — that imbues the planet's worst miscreants with super-powers to bring the planet to its knees. Now Earth's only hope lies with a new breed of heroes... The Freedom Force!

Why similar: Strategy 53.8%, Classic 32.4% ★, Tactical 12.1%, Singleplayer 1.6%

The year is 1962 and the Cold War has the nation gripped by fear. A top-secret government unit called The Bureau begins investigating a series of mysterious attacks by an enemy more powerful than communism.

Why similar: Tactical 33.7%, Aliens 26.3%, Sci-fi 25%, Strategy 13.3%, Singleplayer 1.5%

X²: The Threat is of a new generation of space simulator games, you play the role of Julian Gardna who continues the story set by X: Beyond The Frontier. The updated graphics engine gives the universe a fresher feel with newly designed ships and stations adding to the complexity of the universe.

Why similar: Strategy 56.9%, Sci-fi 39.9%, Singleplayer 3.2%

The water is no longer calm. The undersea world has undergone a transformation from tranquil environment to a place of unspeakable violence, graphic murder and horrific danger.

Why similar: Underwater 77% ★, Sci-fi 20.9%, Singleplayer 2.1%

Defend galaxy against Alien invasion in the RTS offline game with roguelike fun

Why similar: Aliens 35%, Strategy 29.5%, Sci-fi 19.7%, Base Building 14.1%, Singleplayer 1.7%

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.

Why similar: Turn-Based 22.3%, Aliens 15.8%, Turn-Based Strategy 14.4%, Tactical 11.1%, Turn-Based Tactics 10.2%

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: Turn-Based 31.3%, Turn-Based Strategy 24.5%, Tactical 18.8%, Strategy 16.2%, Management 7.9%

Commandos: Behind Enemy Lines is a real-time tactics game set in World War II that puts you in command of a small squad of elite troopers. Send them behind enemy lines on a series of hazardous missions, and bring them back alive.

Why similar: Classic 39.7% ★, Strategy 22.9%, Tactical 21.4%, Difficult 7.8%, Isometric 7.4%

Dive deep into this Lovecraft-inspired RTS survival. Assemble your team using different classes, skills, and weaponry. It's up to your squad to survive the onslaught of nightmares that are surely coming your way. Will you find the source of the darkness?

Why similar: Strategy 51.9%, Tactical 43.4%, Singleplayer 4.7%

You have been selected for active service in the Commandos Corps, and must now mobilize in a series of 8 new dangerous missions.

Why similar: Tactical 30.8%, Classic 28.8% ★, Strategy 28.8%, Difficult 6.1%, Isometric 5.4%

Pandora: First Contact is a science fiction 4X turn-based strategy game on a planetary scale. Our Earth has been exhausted and colonial attempts on other planetary bodies have been in vain. Finally, after decades of exploration, an interstellar probe has brought promise of a new world.

Why similar: Turn-Based Strategy 30.9%, Strategy 30.2%, Turn-Based 21.7%, Sci-fi 16.3%, Singleplayer 0.9%

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

Why similar: Turn-Based 32.7%, Turn-Based Strategy 18.9%, Aliens 14.9%, Strategy 12.5%, Difficult 10.9%

Galaxy squad is a hardcore turn-based tactical roguelike, inspired by FTL and XCOM.

Why similar: Strategy 23.4%, Turn-Based Strategy 20.7%, Turn-Based Tactics 16.8%, Tactical 15.3%, Sci-fi 12.1%

Barotrauma is a 2D co-op submarine simulator – in space, with survival horror and RPG elements. Steer your submarine, complete missions, fight monsters, fix leaks, operate machinery, man the guns and craft items, and stay alert: danger in Barotrauma doesn’t announce itself!

Why similar: Underwater 44.5% ★, Sci-fi 15.4%, Strategy 12.8%, Difficult 10.6%, Horror 8.6%

Anomaly Defenders is the closing installment of the Anomaly series. The original incarnation of the Tower Offense sub-genre had players controlling humans fighting alien invaders. Now, the tables have turned. The human counterattack is underway and the alien homeworld is under threat.

Why similar: Strategy 84.7%, Sci-fi 15.3%

Hidden & Dangerous 2 is a first and third person tactical shooter that builds upon the tremendous success of Hidden & Dangerous. You lead a small squad of Allied soldiers deep behind enemy lines, to carry out secret missions during World War II.

Why similar: Tactical 52.1%, Strategy 45.8%, Singleplayer 2.1%

The Pit2 returns to the turn-based Roguelike roots of the indie classic and takes you to another alien facility filled with broken machines, warped creatures, and new surprises!

Why similar: Sci-fi 31.8%, Tactical 31.7%, Strategy 20.7%, Horror 12.9%, Singleplayer 2.9%

Explore. Strategize. Conquer.In the far future, Mankind has nearly exhausted all of earth’s natural resources. Fragile alliances between nations are tested to their limits as fierce wars ignite across land and space.MoonBase Commander puts you in charge of your own lunar territory in a quest to build the most powerful empire in space.

Why similar: Strategy 100%

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: Turn-Based Strategy 28.5%, Aliens 25.7%, Turn-Based Tactics 18.5%, Tactical 14.9%, Strategy 11%

Earth has fallen. Science and the Occult have united forces to brace for the arrival of the Eldritch. But will the efforts against this strange, alien race be enough? Play as one of many Proximae used to help defend humanity in this turn-based, roguelike, intergalactic deck builder.

Why similar: Strategy 26%, Lovecraftian 23.1%, Turn-Based 22.8%, Turn-Based Strategy 15.8%, Tactical 11.3%

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.

Why similar: Turn-Based 34.2%, Classic 25.3% ★, Strategy 21.8%, Turn-Based Strategy 10%, Sci-fi 8.4%

Earth, 1976. You have been tasked with managing a deep-sea science facility working to perfect cloning. Explore the darkness and keep your crew alive in this hardcore survival colony builder. And beware. The darkness hides untold horrors.

Why similar: Underwater 47% ★, Strategy 16.2%, Difficult 15.9%, Base Building 10.8%, Management 10%