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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XCOM: Enemy Unknown
The XCOM: Enemy Unknown - Slingshot Pack is Now Available!
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.
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.
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?
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.
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?
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!
Warhammer 40,000: Battlesector
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.
Gears Tactics
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.
Into the Breach
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.
Jagged Alliance 3
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.
Shadow Empire
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.
Age of Wonders: Planetfall
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.
Xenonauts 2
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.
Cyber Knights: Flashpoint
Cyberpunk mercenaries RPG! Turn-based squad tactics with unique heist-planning strategy. Build your crew wisely; their stories will become interwoven with your own. Pull off heists with powerful cyberware, faction connections, multiclassing, weapon modding, stealth, hacking, and more!
Blackguards
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.
Wasteland 2: Director's Cut
From the producer of the original Fallout comes Wasteland 2. With over 80 hours of gameplay, deck out your Ranger squad with devastating weaponry, test the limits of your strategy skills, and bring justice to the Wasteland! The choices are yours…but so are the consequences.
UFO: Afterlight
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.
Mutant Year Zero: Road to Eden
A tactical game combining the turn-based combat of XCOM with story, exploration, stealth, and strategy. Take control of a team of Mutants navigating a post-human Earth. Created by a team including former HITMAN leads and the designer of PAYDAY.
Space Hulk: Tactics
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.
Warhammer 40,000: Gladius - Relics of War
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.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 30th 2025.
1. Total War: EMPIRE – Definitive Edition
Similarity 53% 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 35,248 reviews of which 31,995 were positive and 3,253 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 2,048 peak concurrent players over the last day.
8.9
31,995
3,253
2,048
players
2. BATTLETECH
Similarity 61% 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 31,396 reviews of which 26,290 were positive and 5,106 were negative resulting in a rating of 8.2 out of 10. While seeing 1,394 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
26,290
5,106
1,394
players
3. Total War: NAPOLEON – Definitive Edition
Similarity 53% 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 25,176 reviews of which 22,997 were positive and 2,179 were negative resulting in a rating of 8.9 out of 10. While seeing 825 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
22,997
2,179
825
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 56,237 reviews of which 52,569 were positive and 3,668 were negative resulting in an impressive rating of 9.2 out of 10. With 578 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
52,569
3,668
578
players
5. 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 14,238 reviews of which 11,571 were positive and 2,667 were negative resulting in a rating of 8.0 out of 10. With 495 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
11,571
2,667
495
players
6. Jagged Alliance 3
Similarity 57% 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 12,792 reviews of which 11,441 were positive and 1,351 were negative resulting in a rating of 8.7 out of 10. With 403 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.
8.7
11,441
1,351
403
players
7. 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 4,145 reviews of which 3,407 were positive and 738 were negative resulting in a rating of 8.0 out of 10. With 347 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.
8.0
3,407
738
347
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 20,057 reviews of which 18,979 were positive and 1,078 were negative resulting in an impressive rating of 9.2 out of 10. With 218 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
18,979
1,078
218
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 turn-based strategy game developed by Goldhawk Interactive and published by Hooded Horse. Released on July 18th 2023 has received 2,875 reviews of which 2,311 were positive and 564 were negative resulting in a rating of 7.8 out of 10. With 216 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
2,311
564
216
players
10. ZEPHON
Similarity 60% 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? ZEPHON is a strategy, turn-based and tactical game developed and published by Proxy Studios. Released on November 08th 2024 has received 1,134 reviews of which 995 were positive and 139 were negative resulting in a rating of 8.3 out of 10. With 194 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.
8.3
995
139
194
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 30th 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. 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 14,238 reviews of which 11,571 were positive and 2,667 were negative resulting in a rating of 8.0 out of 10. Featuring a massive 95% discount, this game currently holds the #1 spot in the best deals for games like X-COM: Terror From the Deep.
8.0
11,571
2,667
-95%
42.80€
2.14€
2. Othercide
Similarity 54% 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 4,776 reviews of which 3,932 were positive and 844 were negative resulting in a rating of 8.0 out of 10. Thanks to its incredible 93% discount, this game is now the #2 best deal in games like X-COM: Terror From the Deep.
8.0
3,932
844
-93%
31.29€
2.19€
3. Hard West
Similarity 53% 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 4,740 reviews of which 3,569 were positive and 1,171 were negative resulting in a rating of 7.3 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.
7.3
3,569
1,171
-93%
21.29€
1.49€
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 56,237 reviews of which 52,569 were positive and 3,668 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
52,569
3,668
-92%
18.75€
1.50€
5. Jagged Alliance 3
Similarity 57% 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 12,792 reviews of which 11,441 were positive and 1,351 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
11,441
1,351
-92%
43.63€
3.49€
6. 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 5,471 reviews of which 4,826 were positive and 645 were negative resulting in a rating of 8.5 out of 10. Currently offered at a significant 90% discount, this title has earned the #6 position in the best deals for games like X-COM: Terror From the Deep.
8.5
4,826
645
-90%
42.00€
4.20€
7. 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 90% discount, this title has earned the #7 position in the best deals for games like X-COM: Terror From the Deep.
7.4
965
290
-90%
10.79€
1.07€
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 3,735 reviews of which 2,323 were positive and 1,412 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
2,323
1,412
-90%
10.00€
1.00€
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 1,038 reviews of which 667 were positive and 371 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
667
371
-86%
15.36€
2.15€
10. Shadow Empire
Similarity 56% 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. Shadow Empire is a strategy, simulation and 4x game developed by VR Designs and published by Slitherine Ltd.. Released on December 03rd 2020 has received 1,444 reviews of which 1,257 were positive and 187 were negative resulting in a rating of 8.3 out of 10. Currently offered at a significant 83% discount, this title has earned the #10 position in the best deals for games like X-COM: Terror From the Deep.
8.3
1,257
187
-83%
39.53€
6.72€
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 30th 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 53% 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 2,782 reviews of which 2,572 were positive and 210 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
210
2
players