Games like X-COM: Terror From the Deep on Steam
For those who prefer not to search, lists of the most played, top deals and best free games like X-COM: Terror From the Deep are available at the bottom of the page.
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X-COM: UFO Defense
You are in control of X-COM: an organization formed by the world's governments to fight the ever-increasing alien menace.
X-COM: Apocalypse
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.
Gorky 17
November 2008. NATO intelligence services report that, for reasons unknown, the Russian military has destroyed GORKY 17, one of the old Soviet "Secret Cities". A year later NATO takes over a former Russian secret base built on Polish soil. Diggers discover a laboratory complex in the completely demolished town.
Xenonauts
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.
XCOM: Enemy Unknown
The XCOM: Enemy Unknown - Slingshot Pack is Now Available!
UFO: Aftermath
UFO: Aftermath is a 3D isometric, tactical strategy game with a rich and compelling sci fi story.
Spaceland: Sci-Fi Indie Tactics
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.
Templar Battleforce
An addictive mix of strategic combat and army building, with the precision of an RPG. Design your squad members' exact build of equipment and talents to create unique fireteam combinations. Step into the pilot suit of a Leviathan mech, lead the Templar Knights in turn-based tactical warfare.
Silent Storm Gold Edition
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...
Fallout Tactics: Brotherhood of Steel
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,...
Stirring Abyss
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.
Invisible, Inc.
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.
XCOM®: Chimera Squad
XCOM: Chimera Squad delivers an all-new story and turn-based tactical combat experience in the XCOM universe.
BATTLETECH
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.
Attack of the Earthlings
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.
Warhammer 40,000: Armageddon
In this hex-based, turn-based strategy game, players will lead the Imperial forces of the Armageddon Steel Legion and Space Marines from a variety of Chapters against the Ork invasion through over 30 scenarios, on the hostile terrain of the planet and its gigantic Hive Cities.
The Last Federation
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.
ZEPHON
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?
Codex of Victory
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!
Quasimorph
Take on a role of a hardened PMC fighter in a dark turn-based extraction 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.
I am not a Monster: First Contact
Retro sci-fi tactical turn-based strategy with an exciting storyline. The Albatross space liner is overrun by lizard-like monsters that can infect humans and turn them into their own kind. Save the passengers and defeat the hostile creatures.
Warhammer 40,000: Mechanicus
MECHANICUS II ANNOUNCED! Take control of one of the most technologically advanced factions in the Imperium: the Adeptus Mechanicus. In this turn-based tactical game, your every decision will weigh heavily on the outcome of the conflict. Will you be blessed by the Omnissiah?
Frozen Synapse
Brings the simultaneous turn-based strategy genre up-to-date and lets you give detailed, accurate orders to your squad.
Jagged Alliance 1: Gold Edition
Experience a true classic! This Gold edition includes the original Jagged Alliance plus the add-on Jagged Alliance: Deadly Games. Take a trip into retro land and learn why this is considered to be one the best turn-based games of all times.Most played games like X-COM: Terror From the Deep on Steam
Take a look at the top games like X-COM: Terror From the Deep that are currently attracting the largest player bases on the Steam platform, as of April 16th 2025.
1. Total War: EMPIRE – Definitive Edition
Similarity 52% Command the seas, control the land, forge a new nation, and conquer the globe. Total War: EMPIRE – Definitive Edition is a strategy, historical and military game developed by Creative Assembly and Feral Interactive (Linux) and published by Feral interactive (Mac), Feral Interactive (Linux) and SEGA. Released on March 04th 2009 has received 35,137 reviews of which 31,892 were positive and 3,245 were negative resulting in a rating of 8.9 out of 10. The game has hit the top spot as the #1 most played game like X-COM: Terror From the Deep, thanks to its 1,897 peak concurrent players over the last day.
8.9
31,892
3,245
1,897
players
2. BATTLETECH
Similarity 60% 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. BATTLETECH is a mechs, strategy and turn-based tactics game developed by Harebrained Schemes and published by Paradox Interactive. Released on April 24th 2018 has received 31,337 reviews of which 26,233 were positive and 5,104 were negative resulting in a rating of 8.2 out of 10. While seeing 1,590 players online at once in the last 24 hours, this game is currently ranked #2 among games like X-COM: Terror From the Deep based on player count.
8.2
26,233
5,104
1,590
players
3. Total War: NAPOLEON – Definitive Edition
Similarity 52% Complete your Total War collection with this Definitive Edition of Total War: NAPOLEON, which includes all DLC and feature updates since the game’s release Total War: NAPOLEON – Definitive Edition is a strategy, historical and grand strategy game developed by Creative Assembly and published by Feral interactive (Mac) and SEGA. Released on February 25th 2010 has received 25,094 reviews of which 22,917 were positive and 2,177 were negative resulting in a rating of 8.9 out of 10. While seeing 836 players online at once in the last 24 hours, this game is currently ranked #3 among games like X-COM: Terror From the Deep based on player count.
8.9
22,917
2,177
836
players
4. XCOM: Enemy Unknown
Similarity 67% The XCOM: Enemy Unknown - Slingshot Pack is Now Available! XCOM: Enemy Unknown is a turn-based strategy, tactical and strategy game developed by Firaxis Games and Feral Interactive (Linux) and published by Feral Interactive (Linux) and 2K. Released on October 11th 2012 has received 56,136 reviews of which 52,466 were positive and 3,670 were negative resulting in an impressive rating of 9.2 out of 10. With 618 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like X-COM: Terror From the Deep.
9.2
52,466
3,670
618
players
5. Quasimorph
Similarity 58% Take on a role of a hardened PMC fighter in a dark turn-based extraction 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. Quasimorph is a early access, extraction shooter and simulation game developed by Magnum Scriptum and published by HypeTrain Digital. Released on October 02nd 2023 has received 4,091 reviews of which 3,360 were positive and 731 were negative resulting in a rating of 8.0 out of 10. With 493 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like X-COM: Terror From the Deep.
8.0
3,360
731
493
players
6. Warhammer 40,000: Gladius - Relics of War
Similarity 53% Warhammer 40,000: Gladius – Relics of War brings you to a world of terror and violence. Four factions will engage in a brutal war for dominance over the planet’s resources. In the first turn-based 4X strategy game set in Warhammer 40,000 you will lead one of four unique factions. Warhammer 40,000: Gladius - Relics of War is a strategy, warhammer 40k and 4x game developed by Proxy Studios and published by Slitherine Ltd.. Released on July 12th 2018 has received 14,157 reviews of which 11,503 were positive and 2,654 were negative resulting in a rating of 8.0 out of 10. With 486 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like X-COM: Terror From the Deep.
8.0
11,503
2,654
486
players
7. Jagged Alliance 3
Similarity 56% 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. Jagged Alliance 3 is a strategy, turn-based tactics and tactical game developed by Haemimont Games and published by THQ Nordic. Released on July 14th 2023 has received 12,724 reviews of which 11,380 were positive and 1,344 were negative resulting in a rating of 8.7 out of 10. With 348 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like X-COM: Terror From the Deep.
8.7
11,380
1,344
348
players
8. Into the Breach
Similarity 57% Control powerful mechs from the future to defeat an alien threat. Each attempt to save the world presents a new randomly generated challenge in this turn-based strategy game. Into the Breach is a strategy, turn-based strategy and indie game developed and published by Subset Games. Released on February 27th 2018 has received 19,951 reviews of which 18,875 were positive and 1,076 were negative resulting in an impressive rating of 9.2 out of 10. With 298 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like X-COM: Terror From the Deep.
9.2
18,875
1,076
298
players
9. Xenonauts 2
Similarity 55% 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. Xenonauts 2 is a strategy, simulation and wargame game developed by Goldhawk Interactive and published by Hooded Horse. Released on July 18th 2023 has received 2,799 reviews of which 2,249 were positive and 550 were negative resulting in a rating of 7.8 out of 10. With 296 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like X-COM: Terror From the Deep.
7.8
2,249
550
296
players
10. Warhammer 40,000: Battlesector
Similarity 57% Warhammer 40,000: Battlesector is a fast-paced turn-based strategy game set in the grimdark universe of the 41st Millennium. Pick your force, develop your army, field mighty heroes and fight for victory using superior strategy, awesome abilities, and devastating weaponry. Warhammer 40,000: Battlesector is a strategy, warhammer 40k and turn-based tactics game developed and published by Slitherine Ltd.. Released on July 22nd 2021 has received 5,456 reviews of which 4,810 were positive and 646 were negative resulting in a rating of 8.5 out of 10. With 133 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like X-COM: Terror From the Deep.
8.5
4,810
646
133
players
Best deals on games like X-COM: Terror From the Deep on Steam
Discover fantastic savings with the best discounts on a variety of games like X-COM: Terror From the Deep available on Steam right now, updated on April 16th 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted games like X-COM: Terror From the Deep.
1. Battlestar Galactica Deadlock
Similarity 53% In Battlestar Galactica Deadlock™ you’ll take command of the Colonial Fleet in defense of the Twelve Colonies during the First Cylon War. Lead many different types of ships in this 3D tactical game. Every decision counts, your strategy will be vital – can you ensure mankind’s survival? Battlestar Galactica Deadlock is a strategy, space and sci-fi game developed by Black Lab Games and published by Slitherine Ltd.. Released on August 31st 2017 has received 3,427 reviews of which 2,881 were positive and 546 were negative resulting in a rating of 8.1 out of 10. Featuring a massive 96% discount, this game currently holds the #1 spot in the best deals for games like X-COM: Terror From the Deep.
8.1
2,881
546
-96%
42.25€
1.69€
2. Warhammer 40,000: Gladius - Relics of War
Similarity 53% Warhammer 40,000: Gladius – Relics of War brings you to a world of terror and violence. Four factions will engage in a brutal war for dominance over the planet’s resources. In the first turn-based 4X strategy game set in Warhammer 40,000 you will lead one of four unique factions. Warhammer 40,000: Gladius - Relics of War is a strategy, warhammer 40k and 4x game developed by Proxy Studios and published by Slitherine Ltd.. Released on July 12th 2018 has received 14,157 reviews of which 11,503 were positive and 2,654 were negative resulting in a rating of 8.0 out of 10. Thanks to its incredible 95% discount, this game is now the #2 best deal in games like X-COM: Terror From the Deep.
8.0
11,503
2,654
-95%
42.80€
2.14€
3. Othercide
Similarity 53% As Humanity’s last hope, lead your army to combat in an intricate dance of spectacular actions and counters, using an original Dynamic Timeline System, and face fearsome bosses in epic battles. Othercide is a strategy, indie and turn-based tactics game developed by Lightbulb Crew and published by Focus Entertainment. Released on July 27th 2020 has received 4,766 reviews of which 3,925 were positive and 841 were negative resulting in a rating of 8.0 out of 10. Thanks to its incredible 93% discount, this game is now the #3 best deal in games like X-COM: Terror From the Deep.
8.0
3,925
841
-93%
31.29€
2.19€
4. XCOM: Enemy Unknown
Similarity 67% The XCOM: Enemy Unknown - Slingshot Pack is Now Available! XCOM: Enemy Unknown is a turn-based strategy, tactical and strategy game developed by Firaxis Games and Feral Interactive (Linux) and published by Feral Interactive (Linux) and 2K. Released on October 11th 2012 has received 56,136 reviews of which 52,466 were positive and 3,670 were negative resulting in an impressive rating of 9.2 out of 10. Currently offered at a significant 92% discount, this title has earned the #4 position in the best deals for games like X-COM: Terror From the Deep.
9.2
52,466
3,670
-92%
18.75€
1.50€
5. Jagged Alliance 3
Similarity 56% 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. Jagged Alliance 3 is a strategy, turn-based tactics and tactical game developed by Haemimont Games and published by THQ Nordic. Released on July 14th 2023 has received 12,724 reviews of which 11,380 were positive and 1,344 were negative resulting in a rating of 8.7 out of 10. Currently offered at a significant 92% discount, this title has earned the #5 position in the best deals for games like X-COM: Terror From the Deep.
8.7
11,380
1,344
-92%
43.63€
3.49€
6. I am not a Monster: First Contact
Similarity 58% Retro sci-fi tactical turn-based strategy with an exciting storyline. The Albatross space liner is overrun by lizard-like monsters that can infect humans and turn them into their own kind. Save the passengers and defeat the hostile creatures. I am not a Monster: First Contact is a turn-based tactics, strategy and sci-fi game developed by Cheerdealers and published by Alawar. Released on September 27th 2018 has received 1,255 reviews of which 965 were positive and 290 were negative resulting in a rating of 7.4 out of 10. Currently offered at a significant 91% discount, this title has earned the #6 position in the best deals for games like X-COM: Terror From the Deep.
7.4
965
290
-91%
11.11€
1.00€
7. Hard West
Similarity 52% When a tragic turn of events sets one man down a path of supernatural chaos and revenge, he must brutally hunt down all those who wronged him. Fight and survive through 8 unique story-based scenarios, and try your hand at 40 individually designed turn-based combat missions Hard West is a western, turn-based strategy and strategy game developed by CreativeForge Games and published by Good Shepherd Entertainment. Released on November 18th 2015 has received 4,735 reviews of which 3,568 were positive and 1,167 were negative resulting in a rating of 7.3 out of 10. Currently offered at a significant 90% discount, this title has earned the #7 position in the best deals for games like X-COM: Terror From the Deep.
7.3
3,568
1,167
-90%
19.99€
1.99€
8. Blackguards
Similarity 54% What happens when the only hope of a threatened world lies not with heroes in shining armor, but in the hands of a band of misfits and criminals? Blackguards, a new turn-based strategy RPG, explores this very question. You will discover over 180 unique hex-based battlegrounds within a dark and mature story of crime, drugs, and murder. Blackguards is a rpg, turn-based and strategy game developed and published by Daedalic Entertainment. Released on January 22nd 2014 has received 3,726 reviews of which 2,316 were positive and 1,410 were negative resulting in a rating of 6.1 out of 10. Currently offered at a significant 90% discount, this title has earned the #8 position in the best deals for games like X-COM: Terror From the Deep.
6.1
2,316
1,410
-90%
9.99€
0.99€
9. Space Hulk: Tactics
Similarity 53% Space Hulk: Tactics is a faithful adaptation of the board game Space Hulk, set in the Warhammer 40,000 universe, bringing a unique twist to the cult classic formula. Engage in bloody battles as either a squad of Terminator Space Marines or the deadly alien Genestealers. Space Hulk: Tactics is a strategy, warhammer 40k and violent game developed by Cyanide Studio and published by Focus Entertainment. Released on October 09th 2018 has received 1,032 reviews of which 663 were positive and 369 were negative resulting in a rating of 6.3 out of 10. Currently offered at a significant 86% discount, this title has earned the #9 position in the best deals for games like X-COM: Terror From the Deep.
6.3
663
369
-86%
15.36€
2.15€
10. Othercide
Similarity 53% As Humanity’s last hope, lead your army to combat in an intricate dance of spectacular actions and counters, using an original Dynamic Timeline System, and face fearsome bosses in epic battles. Othercide is a game developed and published by . Released on July 27th 2020 has received 4,766 reviews of which 3,925 were positive and 841 were negative resulting in a rating of 8.0 out of 10. Currently offered at a significant 93% discount, this title has earned the #10 position in the best deals for games like X-COM: Terror From the Deep.
8.0
3,925
841
-93%
31.29€
2.19€
Free games like X-COM: Terror From the Deep on Steam
Check out this fantastic list of free-to-play games like X-COM: Terror From the Deep you can enjoy on Steam right now, updated on April 16th 2025. Looking for even more free titles? Use the search filters to explore a wider range of free to play games like X-COM: Terror From the Deep.
1. Sunrider: Mask of Arcadius
Similarity 52% As Captain Kayto Shields, embark on a galactic voyage of heroism and survival. With his home world destroyed and his nation conquered, the inexperienced Captain Shields, and his newly minted vessel, the Sunrider, are left as the only hope against a galactic evil intent on subjugating all sentient life. Sunrider: Mask of Arcadius is a anime, visual novel and free to play game developed by Love in Space and published by Sekai Project. Released on July 09th 2014 has received 2,780 reviews of which 2,572 were positive and 208 were negative resulting in a rating of 8.9 out of 10. The game currently holds the #1 spot among the most played free games like X-COM: Terror From the Deep.
8.9
2,572
208
1
players