Games like Terraforming Mars on Steam
For those who prefer not to search, lists of the most played, top deals and best free games like Terraforming Mars are available at the bottom of the page.
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Space Rangers HD: A War Apart
Space adventure, open world RPG, strategy, arcade, quest and more!
For The King II
Battle against Fahrul's tyrannical Queen alone or as a party of four players in the sequel to For The King, the massively popular turn-based roguelite tabletop RPG. Will you unravel the once beloved Queen's terrible secret?
dotAGE
Village elder, help us! The Apocalypse is approaching, and we need your guidance to survive. Assign your workers and build a thriving village against the pending doom. DotAGE is the merciless survival roguelite turn-based city builder. Will you fulfill the Prophecy?
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.
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.
AI War: Fleet Command
"You are outgunned. You are massively outnumbered. You must win." These are your orders. Humanity has already fought its war against the machines -- and lost. AI death squads stand watch over every planet and every wormhole, the few remaining human settlements are held captive in orbiting bubbles, and the AIs have turned their...
Startopia
A once thriving network of space stations and planets have been left lifeless, redundant scars of the apocalypse. Into this age of darkness comes light. You will lead the way in rebuilding the network of space stations to a standard accepted by the individual alien races, attracting them to harness their expertise and research new...
Planetbase
Guide a group of space settlers trying to establish a base on a remote planet. Grow food, collect energy, mine resources, survive disasters and build a self-sufficient colony in a harsh and unforgiving environment.
Stars in Shadow
Stars in Shadow is a turn-based 4X strategy game and a vivid tribute to the genre classics. Compete with alien factions to explore and colonize nearby starsystems, build fleets to defend against rivals, negotiate or conquer them. Win by unifying the galaxy, through diplomacy or force.
Supreme Commander 2
Includes 47 Steam achievements, leaderboards, and stats!
Worms Armageddon
Those intrepid invertebrates return with a vengeance in the much-loved Worms™ Armageddon. It’s a whole new can of worms! It’s hilarious fun that you can enjoy on your own or with all your friends.
Armello
Armello is a grim fairy-tale board game come to life, with every match combining deep, tactical card play, rich tabletop strategy and RPG elements. Leverage subterfuge, spells and careful strategy to wrangle control of the game's chaotic odds as you quest for the throne.
Ascension to the Throne
Ascension to the Throne is a turn-based strategy game with RPG elements. In a vast fantasy world the hero will have to pass many tests on his way to victory. Enemies seek to stop players from regaining power and taking revenge. Gain new friends to aid you in reclaiming the throne.
EarthX
EarthX is a rocket company management game. Go from launching small rockets on Earth to eventually building a colony on Mars. Create your own Internet constellation, develop new technologies, supply the International Space Station and terraform Mars!
Strategic Command WWII: War in Europe
Strategic Command WWII: War in Europe is a deeply immersive turn based strategy game covering the greatest conflict in modern history!
Worms Reloaded
Ten years on from Worms™ Armageddon and the turn-based comic mayhem continues in Worms™ Reloaded, an all-new edition available for PC through Steam.
Worms
Throw a grenade down memory lane with the original and classic turn-based strategy game Worms™! Up to 4 teams of worms do battle over an ever-changing battlefield with falling weapon crates, crazed exploding sheep and more besides. Winner of many industry awards, find out what all the fuss was about.
Battlevoid: Harbinger
Battlevoid: Harbinger is a hard sci-fi space exploration game blending roguelike, turn-based, star map strategy, and real-time space battles. You are a young commander venturing out into enemy territories, to unknown galaxies, never knowing what you will face as you jump out from hyperspace.
Space Crew: Legendary Edition
Time for your toughest mission yet! Recruit and train your crew to tackle the growing threat from alien and android armies as you defend Earth to become a Galactic Legend in Space Crew: Legendary Edition. All new content free to existing owners of Space Crew!
Rebel Cops
Lead a ragtag squad of cops in rebellion against their town's new criminal power and see how long you can hold out in this unforgiving turn-based spin-off game from This Is the Police. You'll be desperately short on supplies, and a single shot can cost a cop their life.
Stellar Warfare
Space RTS with base building and ship customization. Personal passion project. More than 200 available ships, weapons and modules to design your fleet with. Contains a small campaign, several single and multiplayer game modes and a coop game mode. Also contains Wave defense!
BattleGroupVR
BattleGroupVR is a first person real-time space strategy where you lead a fleet of powerful warships into battle from the bridge of your own flagship. Assemble your fleet, upgrade your load-outs, train your captains, engage the enemy and secure the sector. Try not to go down with the ship.
Space Haven
Embark on a space voyage with your ragtag crew of civilians in search of a new home. Build spaceships tile by tile, create optimal gas conditions, manage the needs and moods of their crew, encounter other space-faring groups, and explore the universe in this spaceship colony simulation.
Most played games like Terraforming Mars on Steam
Take a look at the top games like Terraforming Mars that are currently attracting the largest player bases on the Steam platform, as of June 16th 2025.
1. Sid Meier’s Civilization® VI
Similarity 43% Expand your empire, advance your culture and go head-to-head against history’s greatest leaders. Will your civilization stand the test of time? Sid Meier’s Civilization® VI is a strategy, turn-based strategy and multiplayer game developed by Firaxis Games, Aspyr (Mac) and Aspyr (Linux) and published by Aspyr (Mac), Aspyr (Linux) and 2K. Released on October 20th 2016 has received 349,920 reviews of which 304,053 were positive and 45,867 were negative resulting in a rating of 8.6 out of 10. The game has hit the top spot as the #1 most played game like Terraforming Mars, thanks to its 23,194 peak concurrent players over the last day.
8.6
304,053
45,867
23,194
players
2. Sid Meier's Civilization® V
Similarity 47% Create, discover, and download new player-created maps, scenarios, interfaces, and more! Sid Meier's Civilization® V is a turn-based strategy, strategy and turn-based game developed by Firaxis Games, Aspyr (Mac) and Aspyr (Linux) and published by Aspyr (Mac), Aspyr (Linux) and 2K. Released on September 23rd 2010 has received 204,265 reviews of which 195,724 were positive and 8,541 were negative resulting in an impressive rating of 9.5 out of 10. While seeing 13,866 players online at once in the last 24 hours, this game is currently ranked #2 among games like Terraforming Mars based on player count.
9.5
195,724
8,541
13,866
players
3. Stellaris
Similarity 49% Explore a galaxy full of wonders in this sci-fi grand strategy game from Paradox Development Studios. Interact with diverse alien races, discover strange new worlds with unexpected events and expand the reach of your empire. Each new adventure holds almost limitless possibilities. Stellaris is a space, grand strategy and strategy game developed by Paradox Development Studio and published by Paradox Interactive. Released on May 09th 2016 has received 185,433 reviews of which 159,527 were positive and 25,906 were negative resulting in a rating of 8.5 out of 10. While seeing 13,555 players online at once in the last 24 hours, this game is currently ranked #3 among games like Terraforming Mars based on player count.
8.5
159,527
25,906
13,555
players
4. Tabletop Simulator
Similarity 48% Tabletop Simulator is the only simulator where you can let your aggression out by flipping the table! There are no rules to follow: just you, a physics sandbox, and your friends. Make your own online board games or play the thousands of community created mods. Unlimited gaming possibilities! Tabletop Simulator is a tabletop, board game and simulation game developed and published by Berserk Games. Released on June 05th 2015 has received 70,660 reviews of which 66,735 were positive and 3,925 were negative resulting in an impressive rating of 9.3 out of 10. With 6,961 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like Terraforming Mars.
9.3
66,735
3,925
6,961
players
5. STAR WARS™ Empire at War - Gold Pack
Similarity 52% Command or corrupt an entire galaxy in the definitive Star Wars strategy collection. It is a time of galactic civil war. Will you take up the reins of the Rebellion, assume control of the Empire, or rule the Star Wars Underworld? STAR WARS™ Empire at War - Gold Pack is a strategy, rts and space game developed by Petroglyph and published by LucasArts, Lucasfilm and Disney. Released on May 25th 2010 has received 39,435 reviews of which 38,503 were positive and 932 were negative resulting in an impressive rating of 9.6 out of 10. With 2,985 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like Terraforming Mars.
9.6
38,503
932
2,985
players
6. BATTLETECH
Similarity 40% 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 31,563 reviews of which 26,438 were positive and 5,125 were negative resulting in a rating of 8.2 out of 10. With 1,597 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like Terraforming Mars.
8.2
26,438
5,125
1,597
players
7. Civilization IV: Beyond the Sword
Similarity 45% Sid Meier's Civilization IV®: Beyond the Sword is the second expansion pack for Civilization IV - the 2005 PC Game of the Year that has become a worldwide hit. Civilization IV: Beyond the Sword is a strategy, turn-based strategy and 4x game developed by Firaxis Games and published by 2K. Released on July 24th 2007 has received 4,592 reviews of which 4,423 were positive and 169 were negative resulting in an impressive rating of 9.3 out of 10. With 1,579 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like Terraforming Mars.
9.3
4,423
169
1,579
players
8. Sid Meier's Civilization® III Complete
Similarity 43% Sid Meier's Civilization III: Complete, the latest offering in the Sid Meier's Civilization III franchise, provides gaming fans with Sid Meier's Civilization III, the highly-addictive journey of discovery. Sid Meier's Civilization® III Complete is a strategy, turn-based strategy and turn-based game developed by Firaxis Games and published by 2K. Released on October 25th 2006 has received 7,231 reviews of which 6,485 were positive and 746 were negative resulting in a rating of 8.7 out of 10. With 1,567 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like Terraforming Mars.
8.7
6,485
746
1,567
players
9. FTL: Faster Than Light
Similarity 46% This "spaceship simulation roguelike-like" allows you to take your ship and crew on an adventure through a randomly generated galaxy filled with glory and bitter defeat. FTL: Faster Than Light is a rogue-like, space and strategy game developed and published by Subset Games. Released on September 14th 2012 has received 75,052 reviews of which 71,561 were positive and 3,491 were negative resulting in an impressive rating of 9.4 out of 10. With 1,423 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like Terraforming Mars.
9.4
71,561
3,491
1,423
players
10. Warhammer 40,000: Gladius - Relics of War
Similarity 43% 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 14,975 reviews of which 12,195 were positive and 2,780 were negative resulting in a rating of 8.0 out of 10. With 1,126 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like Terraforming Mars.
8.0
12,195
2,780
1,126
players
Best deals on games like Terraforming Mars on Steam
Discover fantastic savings with the best discounts on a variety of games like Terraforming Mars available on Steam right now, updated on June 16th 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted games like Terraforming Mars.
1. EarthX
Similarity 41% EarthX is a rocket company management game. Go from launching small rockets on Earth to eventually building a colony on Mars. Create your own Internet constellation, develop new technologies, supply the International Space Station and terraform Mars! EarthX is a simulation, indie and strategy game developed by Denis and Ry and published by Mesote Games. Released on July 12th 2023 has received 875 reviews of which 769 were positive and 106 were negative resulting in a rating of 8.3 out of 10. Featuring a massive 99% discount, this game currently holds the #1 spot in the best deals for games like Terraforming Mars.
8.3
769
106
-99%
19.99€
0.29€
2. Interstellar Space: Genesis
Similarity 50% Interstellar Space: Genesis is a turn-based space 4X strategy game in which you attempt to build a thriving galactic empire. Discover mysteries among the stars, colonize worlds, and engage enemies in tactical turn-based combat on your journey to becoming the ruler of the galaxy! Interstellar Space: Genesis is a strategy, indie and 4x game developed and published by Praxis Games. Released on July 25th 2019 has received 772 reviews of which 648 were positive and 124 were negative resulting in a rating of 7.9 out of 10. Thanks to its incredible 99% discount, this game is now the #2 best deal in games like Terraforming Mars.
7.9
648
124
-99%
27.99€
0.46€
3. Homeworld: Deserts of Kharak
Similarity 47% A ground-based RTS prequel to the classic Homeworld games. Assemble your fleet and lead them to victory on the shifting sands of Kharak in this compelling strategy game for PC from Blackbird Interactive. Homeworld: Deserts of Kharak is a strategy, rts and sci-fi game developed by Blackbird Interactive and published by Gearbox Publishing. Released on January 20th 2016 has received 8,519 reviews of which 6,789 were positive and 1,730 were negative resulting in a rating of 7.8 out of 10. Thanks to its incredible 99% discount, this game is now the #3 best deal in games like Terraforming Mars.
7.8
6,789
1,730
-99%
45.99€
0.88€
4. Aven Colony
Similarity 40% Build a new home for humanity in Aven Colony. Discover Aven Prime - an alien planet of deserts, tundras, and wetlands light years from earth. Build your colonies into massive, sprawling cities whilst dealing with the challenges faced when settling on a new world. Aven Colony is a colony sim, city builder and strategy game developed by Mothership Entertainment LLC and published by Team17 Digital Ltd. Released on July 25th 2017 has received 2,638 reviews of which 1,921 were positive and 717 were negative resulting in a rating of 7.1 out of 10. Currently offered at a significant 99% discount, this title has earned the #4 position in the best deals for games like Terraforming Mars.
7.1
1,921
717
-99%
29.99€
0.47€
5. Distant Worlds 2
Similarity 40% Distant Worlds 2 is a vast, pausable real-time 4X space strategy game. Distant Worlds 2 is a strategy, simulation and 4x game developed by CodeForce and published by Slitherine Ltd.. Released on March 10th 2022 has received 3,237 reviews of which 2,304 were positive and 933 were negative resulting in a rating of 6.9 out of 10. Currently offered at a significant 99% discount, this title has earned the #5 position in the best deals for games like Terraforming Mars.
6.9
2,304
933
-99%
48.99€
0.36€
6. Battle vs Chess
Similarity 47% Commanders, assemble your armies! BATTLE vs. CHESS calls for an interactive feather duster, chartering the successful chess game principle into the present day multimedia world. Animated fantasy figurines assemble in magical worlds and await your command! Battle vs Chess is a strategy, chess and casual game developed by Targem Games and published by TopWare Interactive ACE. Released on August 16th 2012 has received 976 reviews of which 695 were positive and 281 were negative resulting in a rating of 6.9 out of 10. Currently offered at a significant 99% discount, this title has earned the #6 position in the best deals for games like Terraforming Mars.
6.9
695
281
-99%
24.50€
0.39€
7. XCOM: Enemy Unknown
Similarity 45% 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 56,414 reviews of which 52,717 were positive and 3,697 were negative resulting in an impressive rating of 9.2 out of 10. Currently offered at a significant 98% discount, this title has earned the #7 position in the best deals for games like Terraforming Mars.
9.2
52,717
3,697
-98%
19.99€
0.47€
8. Quilts and Cats of Calico
Similarity 49% Quilts and Cats of Calico is a wholesome, award-winning complex puzzle game for 1 to 4 players. Meet adorable cats and sew the coziest quilts. Compete with other players in multiplayer mode, play solo, or delve into the story of a quilter sewing their way through the city of cats. Quilts and Cats of Calico is a board game, strategy and puzzle game developed by Monster Couch and published by Monster Couch and Flatout Games. Released on March 05th 2024 has received 480 reviews of which 452 were positive and 28 were negative resulting in a rating of 8.7 out of 10. Currently offered at a significant 98% discount, this title has earned the #8 position in the best deals for games like Terraforming Mars.
8.7
452
28
-98%
19.99€
0.56€
9. BattleGroupVR
Similarity 41% BattleGroupVR is a first person real-time space strategy where you lead a fleet of powerful warships into battle from the bridge of your own flagship. Assemble your fleet, upgrade your load-outs, train your captains, engage the enemy and secure the sector. Try not to go down with the ship. BattleGroupVR is a space sim, space and vr game developed and published by SpaceOwl Games. Released on July 31st 2023 has received 902 reviews of which 834 were positive and 68 were negative resulting in a rating of 8.7 out of 10. Currently offered at a significant 98% discount, this title has earned the #9 position in the best deals for games like Terraforming Mars.
8.7
834
68
-98%
20.99€
0.42€
10. DG2: Defense Grid 2
Similarity 46% Setting the bar as the definitive tower defense game, Defense Grid 2 introduces new worlds and threats to test your tower placement strategies. With a bold new look and the addition of new game modes, player-versus-player and multiplayer co-op, every play brings fun new opportunities and challenges. DG2: Defense Grid 2 is a strategy, tower defense and indie game developed by Hidden Path Entertainment and published by Hidden Path Entertainment and 505 Games. Released on September 23rd 2014 has received 3,163 reviews of which 2,723 were positive and 440 were negative resulting in a rating of 8.3 out of 10. Currently offered at a significant 98% discount, this title has earned the #10 position in the best deals for games like Terraforming Mars.
8.3
2,723
440
-98%
12.49€
0.26€
Free games like Terraforming Mars on Steam
Check out this fantastic list of free-to-play games like Terraforming Mars you can enjoy on Steam right now, updated on June 16th 2025. Looking for even more free titles? Use the search filters to explore a wider range of free to play games like Terraforming Mars.
1. Business Tour - Board Game with Online Multiplayer
Similarity 45% "Business Tour" is a free to play multiplayer tabletop game. Build your monopoly with friends. Complete daily tasks, compete against the other players and receive trade items rewards! Business Tour - Board Game with Online Multiplayer is a board game, free to play and multiplayer game developed by and published by 8floor. Released on July 27th 2017 has received 76,772 reviews of which 46,567 were positive and 30,205 were negative resulting in a rating of 6.0 out of 10. With 887 active players enjoying it for free, this strategy game has reached the #1 spot among the top free games like Terraforming Mars.
6.0
46,567
30,205
887
players
2. SOVL: Fantasy Warfare
Similarity 51% SOVL is a ruleset for playing fantasy wargames. It can be played with miniatures on a table or digitally on Steam. SOVL: Fantasy Warfare is a strategy, wargame and tabletop game developed and published by Dalen Studios. Released on June 29th 2023 has received 2,073 reviews of which 1,821 were positive and 252 were negative resulting in a rating of 8.4 out of 10. Thanks to its free to play tag and a daily player base of 167, this game has secured the #2 spot in the ranking of free games like Terraforming Mars.
8.4
1,821
252
167
players
3. Star Trek Timelines
Similarity 45% Explore the Final Frontier in the ultimate sci-fi strategy RPG, Star Trek Timelines! Join Starfleet and overcome challenges as you boldly go where no game has gone before – across the entire history of Star Trek. Star Trek Timelines is a free to play, strategy and space game developed and published by Tilting Point. Released on July 12th 2017 has received 1,430 reviews of which 938 were positive and 492 were negative resulting in a rating of 6.4 out of 10. Thanks to its free to play tag and a daily player base of 148, this game has secured the #3 spot in the ranking of free games like Terraforming Mars.
6.4
938
492
148
players
4. Talisman: Digital Classic Edition
Similarity 68% The officially licensed multiplayer version of the classic fantasy adventure board game, Talisman, based on the 4th Edition of the game. On your travels, you will need strength, courage and some good dice rolls to survive the dangers you face and beat your opponents to the centre of the board! Talisman: Digital Classic Edition is a board game, tabletop and strategy game developed and published by Nomad Games. Released on February 25th 2014 has received 9,661 reviews of which 7,569 were positive and 2,092 were negative resulting in a rating of 7.7 out of 10. Attracting a solid base of 118 players due to its free access, this strategy game has achieved the #4 position in the best free games like Terraforming Mars.
7.7
7,569
2,092
118
players
5. Pixel Starships
Similarity 49% Pixel Starships is an FTL-style online sci-fi strategy builder and management game with a competitive PVP tournament. Set in the retro galaxy, your role is to explore space, meet aliens, and develop your ship, crew and AI. The game contains deep strategic and 4x elements. PSS is community-driven. Pixel Starships is a sci-fi, space and strategy game developed and published by SavySoda. Released on May 23rd 2023 has received 2,732 reviews of which 2,008 were positive and 724 were negative resulting in a rating of 7.1 out of 10. Attracting a solid base of 117 players due to its free access, this strategy game has achieved the #5 position in the best free games like Terraforming Mars.
7.1
2,008
724
117
players
6. Hades' Star
Similarity 47% A unique space strategy game where thousands of players participate in one shared galaxy. Hades' Star is a free to play, space and strategy game developed and published by Parallel Space Inc. Released on February 27th 2019 has received 2,577 reviews of which 1,874 were positive and 703 were negative resulting in a rating of 7.1 out of 10. Attracting a solid base of 104 players due to its free access, this strategy game has achieved the #6 position in the best free games like Terraforming Mars.
7.1
1,874
703
104
players
7. Star Realms
Similarity 44% Star Realms is a hugely popular space combat deckbuilding game. Download and play today (note: base set is required to play online) to find out why Star Realms is the winner of SXSW 2014 Board Game of the Year, 7 Golden Geek Awards from BoardGameGeek, and 2 Dice Tower awards! Star Realms is a deckbuilding, strategy and card battler game developed and published by Wise Wizard Games and LLC. Released on March 08th 2016 has received 2,069 reviews of which 1,793 were positive and 276 were negative resulting in a rating of 8.3 out of 10. The game currently holds the #7 spot among the most played free games like Terraforming Mars.
8.3
1,793
276
60
players
8. Pixel Puzzles Ultimate Jigsaw Puzzles
Similarity 42% The Number 1 Jigsaw Puzzle Game. Pixel Puzzles Ultimate Jigsaw Puzzles is a puzzle, board game and tabletop game developed and published by Pixel Puzzles. Released on August 29th 2022 has received 2,677 reviews of which 2,018 were positive and 659 were negative resulting in a rating of 7.3 out of 10. The game currently holds the #8 spot among the most played free games like Terraforming Mars.
7.3
2,018
659
57
players
9. Card Hunter
Similarity 51% Shuffle your cards and ready your dice - Card Hunter is a fresh new card gaming spin on classic tabletop RPGs. Battle your way through a massive campaign solo or with friends and compete with other players in ranked play and tournaments. Card Hunter is a free to play, card game and tabletop game developed and published by The Knights of Unity. Released on July 13th 2015 has received 5,236 reviews of which 4,487 were positive and 749 were negative resulting in a rating of 8.3 out of 10. The game currently holds the #9 spot among the most played free games like Terraforming Mars.
8.3
4,487
749
37
players
10. Planet S
Similarity 49% Planet S is a real-time strategy game where your goal is to colonize multiple planets in a solar system to advance your civilization, build a city and supply it to grow your faction. Planet S is a strategy, city builder and multiplayer game developed and published by Glimmerlight Games. Released on October 28th 2023 has received 2,603 reviews of which 2,387 were positive and 216 were negative resulting in a rating of 8.8 out of 10. The game currently holds the #10 spot among the most played free games like Terraforming Mars.
8.8
2,387
216
17
players