Games like Iron Marines on Steam
For those who prefer not to search, lists of the most played, top deals and best free games like Iron Marines are available at the bottom of the page.
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Bingle Bingle
Bingle Bingle is a 'Roulette Builder' game where you can create your own Roulette. Strategically combine various betting options and unique balls to create synergies, earn extreme scores, and beat the casino.
Distant Worlds: Universe
Distant Worlds is a vast, pausable real-time 4X space strategy game. Experience the full depth and detail of turn-based strategy, but with the simplicity and ease of real-time, and on the scale of a massively-multiplayer online game.
Run Build Pew!
You’re being Bounty-Hunted! Run, Build your ship piece-by-piece and make it work with the parts you find, Destroy outposts and waves of fleets, and Pick your battles carefully to overcome your hunters in this Fast-Paced Top-Down Action Roguelite Shooter.
Signs of Life
Signs of Life is a sci-fi survival sandbox platformer with a combination of procedurally generated and hand-crafted content. You'll explore mysterious locations, Mine blocks for resources, and meet strange (and some familiar) creatures, some of which don't even want to kill you and eat your corpse.
DG2: Defense Grid 2
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.
Mind Spheres
Inspired by two not so different worlds, Mind Spheres brings you an exclusive and awesome experience. A physics puzzle with minigolf + pinball unique mashup. Figure out puzzles in order to proceed to the next level.
Space Pilgrim Episode III: Delta Pavonis
Still reeling from the life-changing events of the previous episode, Gail seeks out a safe haven with her father in the Delta Pavonis system. However, she soon learns that the politics of Planet Leto can be as treacherous and unpredictable as the local weather.
Natural Selection 2
A fast paced multiplayer shooter that pits aliens against humans in a strategic and action-packed struggle for survival!
IDUN - Frontline Survival
A defense RTS where you can move turrets at will. Extract resources, upgrade technology, and defend against enemy swarms in a gripping space campaign. Hold the line, set up your turrets, and brace for screen-filling hordes!
Mushroom Wars
Mushroom Wars is a dynamic real-time strategy game, where smart strategy meets furious action in epic PvP and PvE battles.
CRYPTARK
Cryptark is a 2D sci-fi shooter where you take on the role of a heavily armed privateer seeking to earn government contracts by boarding deadly alien space-hulks. It's up to you to strategize a plan of attack, pick an equipment loadout, and destroy the central core to be victorious.
Reassembly
A spaceship building and universe-exploration game. Collect resources, expand and grow your fleet, and conquer your personal galaxy. Stellar ambience by Peaks.
Rebel Galaxy
Rebel Galaxy is a swashbuckling space adventure, with action-packed combat, exploration, discovery, trade, and “negotiation” with the outlandish denizens at the edge of the known universe.
Heat Signature
Heat Signature is a game from the developers of Gunpoint where you break into spaceships, make terrible mistakes, and think of clever ways out of them. You take a mission, fly to the target ship, sneak inside, and make clever use of your gadgets to distract, ambush and take out the crew.
Space Pirates and Zombies
Explore a randomly generated Galaxy populated with factions, enemies, missions, and items providing you with a unique experience each time you play.
Epic Battle Fantasy 3
Epic Battle Fantasy 3 is a silly turn-based JRPG, full of useless NPCs, rabid cats, childish humor, unreasonably large weapons, anime boobs, and other nonsense. And it's totally free!
Let Them Come
Let Them Come is a fast paced pixel art shoot ‘em up. Twitchy trigger fingers and focused battle tactics are the order of the day as wave after wave of alien-like creatures try to take you down.
CastleStorm
Welcome to the world of CastleStorm, a super genre mashup of 2D physics destruction mashed with tower defense brawler! CastleStorm was born out of the fond childhood memory of building and destroying LEGO castles.
Super Sanctum TD
Super Sanctum TD is a retro-styled Tower Defense game that focuses on strategy, customization and replayability. Build advanced mazes and construct powerful towers to prevent alien hordes from reaching the Core!
Cannon Brawl
Cannon Brawl is action RTS and artillery hybrid. Pilot an airship, command powerful weapon emplacements and use the destructible terrain to out think and destroy your enemy! It's a new take on artillery strategy!
Swords and Soldiers HD
Rewrite history as you take control of the brutal Vikings, the devious Aztecs or the crafty Chinese in their global quest to win the favour of the Gods! Swords & Soldiers is a side-scrolling strategy game that lets you control an entire army and lets you wield devastating magical abilities.
STAR WARS™ Empire at War - Gold Pack
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?Most played games like Iron Marines on Steam
Take a look at the top games like Iron Marines that are currently attracting the largest player bases on the Steam platform, as of April 30th 2025.
1. Geometry Dash
Similarity 52% Jump and fly your way through danger in this rhythm-based action platformer! Geometry Dash is a difficult, music and level editor game developed and published by RobTop Games. Released on December 22nd 2014 has received 414,790 reviews of which 387,347 were positive and 27,443 were negative resulting in an impressive rating of 9.3 out of 10. The game has hit the top spot as the #1 most played game like Iron Marines, thanks to its 17,087 peak concurrent players over the last day.
9.3
387,347
27,443
17,087
players
2. Space Engineers
Similarity 50% Space Engineers is a sandbox game about engineering, construction, exploration and survival in space and on planets. Players build space ships, space stations, planetary outposts of various sizes and uses, pilot ships and travel through space to explore planets and gather resources to survive. Space Engineers is a space, sandbox and building game developed and published by Keen Software House. Released on February 28th 2019 has received 131,878 reviews of which 116,777 were positive and 15,101 were negative resulting in a rating of 8.7 out of 10. While seeing 4,402 players online at once in the last 24 hours, this game is currently ranked #2 among games like Iron Marines based on player count.
8.7
116,777
15,101
4,402
players
3. Oxygen Not Included
Similarity 50% Oxygen Not Included is a space-colony simulation game. Deep inside an alien space rock your industrious crew will need to master science, overcome strange new lifeforms, and harness incredible space tech to survive, and possibly, thrive. Oxygen Not Included is a colony sim, base-building and survival game developed and published by Klei Entertainment. Released on July 30th 2019 has received 127,555 reviews of which 123,406 were positive and 4,149 were negative resulting in an impressive rating of 9.5 out of 10. While seeing 4,349 players online at once in the last 24 hours, this game is currently ranked #3 among games like Iron Marines based on player count.
9.5
123,406
4,149
4,349
players
4. Idle Champions of the Forgotten Realms
Similarity 50% Idle Champions of the Forgotten Realms is a Dungeons & Dragons strategy management game uniting Champions from throughout the D&D multiverse into a grand adventure. Idle Champions of the Forgotten Realms is a dungeons & dragons, free to play and idler game developed and published by Codename Entertainment Inc.. Released on March 25th 2020 has received 14,379 reviews of which 11,146 were positive and 3,233 were negative resulting in a rating of 7.6 out of 10. With 2,823 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like Iron Marines.
7.6
11,146
3,233
2,823
players
5. Clicker Heroes
Similarity 51% Ever wondered what one quadrillion damage per second feels like? Wonder no more! Embark on your quest to attain it today! Clicker Heroes is a clicker, idler and casual game developed and published by Playsaurus. Released on May 13th 2015 has received 61,205 reviews of which 54,909 were positive and 6,296 were negative resulting in a rating of 8.8 out of 10. With 2,021 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like Iron Marines.
8.8
54,909
6,296
2,021
players
6. STAR WARS™ Empire at War - Gold Pack
Similarity 57% 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 38,906 reviews of which 37,985 were positive and 921 were negative resulting in an impressive rating of 9.6 out of 10. With 1,923 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like Iron Marines.
9.6
37,985
921
1,923
players
7. Dyson Sphere Program
Similarity 50% Build the most efficient intergalactic factory in space simulation strategy game Dyson Sphere Program! Harness the power of stars, collect resources, plan and design production lines and develop your interstellar factory from a small space workshop to a galaxy-wide industrial empire. Dyson Sphere Program is a automation, space and base-building game developed by Youthcat Studio and published by Gamirror Games. Released on January 20th 2021 has received 84,667 reviews of which 82,683 were positive and 1,984 were negative resulting in an impressive rating of 9.6 out of 10. With 1,702 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like Iron Marines.
9.6
82,683
1,984
1,702
players
8. FTL: Faster Than Light
Similarity 50% 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 74,588 reviews of which 71,155 were positive and 3,433 were negative resulting in an impressive rating of 9.4 out of 10. With 1,186 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like Iron Marines.
9.4
71,155
3,433
1,186
players
9. Mr.Mine
Similarity 51% Explore the depths of the earth and uncover hidden treasures in this addictive idle mining game. Unlock the power of your drill with hundreds of upgrades, discover mysterious relics, and unearth priceless gems. Can you master the mines and reveal their deepest secrets? Dive in and dig deep! Mr.Mine is a idler, clicker and simulation game developed and published by Playsaurus. Released on September 30th 2020 has received 16,977 reviews of which 15,607 were positive and 1,370 were negative resulting in a rating of 9.0 out of 10. With 872 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like Iron Marines.
9.0
15,607
1,370
872
players
10. Supreme Commander: Forged Alliance
Similarity 57% The last days of man are at hand.. Two years after the Infinite War the once great warring nations now lie in ruins, and humanity’s hope for a brighter future is nothing but a bitter memory. A new, seemingly unstoppable enemy, supported by the zealots of The Order, now seeks to eradicate mankind: UEF, Aeon Loyalist, and Cybran alike. Supreme Commander: Forged Alliance is a strategy, rts and sci-fi game developed by Gas Powered Games and published by Square Enix. Released on September 28th 2011 has received 13,403 reviews of which 12,982 were positive and 421 were negative resulting in an impressive rating of 9.4 out of 10. With 706 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like Iron Marines.
9.4
12,982
421
706
players
Best deals on games like Iron Marines on Steam
Discover fantastic savings with the best discounts on a variety of games like Iron Marines 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 Iron Marines.
1. Homeworld: Deserts of Kharak
Similarity 54% 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 8,484 reviews of which 6,772 were positive and 1,712 were negative resulting in a rating of 7.8 out of 10. Featuring a massive 95% discount, this game currently holds the #1 spot in the best deals for games like Iron Marines.
7.8
6,772
1,712
-95%
45.00€
2.25€
2. Scribblenauts Unlimited
Similarity 54% The best-selling, award-winning franchise is back – on your home PC in gorgeous HD for the first time. Scribblenauts Unlimited is a puzzle, casual and adventure game developed by 5th Cell Media and published by Warner Bros. Interactive Entertainment. Released on February 15th 2013 has received 11,686 reviews of which 10,968 were positive and 718 were negative resulting in an impressive rating of 9.1 out of 10. Thanks to its incredible 93% discount, this game is now the #2 best deal in games like Iron Marines.
9.1
10,968
718
-93%
21.14€
1.48€
3. Distant Worlds: Universe
Similarity 60% Distant Worlds is a vast, pausable real-time 4X space strategy game. Experience the full depth and detail of turn-based strategy, but with the simplicity and ease of real-time, and on the scale of a massively-multiplayer online game. Distant Worlds: Universe is a strategy, 4x and space game developed by Code Force and published by Slitherine Ltd.. Released on May 23rd 2014 has received 1,816 reviews of which 1,376 were positive and 440 were negative resulting in a rating of 7.3 out of 10. Thanks to its incredible 92% discount, this game is now the #3 best deal in games like Iron Marines.
7.3
1,376
440
-92%
28.00€
2.24€
4. Tooth and Tail
Similarity 51% Lead the revolution with an army of flamethrowing Boars, mustard gas-lobbing Skunks, and paratrooper-puking Owls. Tooth and Tail is a Real-Time-Strategy game featuring Single Player, Online Competitive Play, Split Screen, Replays, and more. Build a base, lead your army, eat your enemies! Tooth and Tail is a strategy, rts and pixel graphics game developed and published by Pocketwatch Games. Released on September 12th 2017 has received 4,045 reviews of which 3,234 were positive and 811 were negative resulting in a rating of 7.8 out of 10. Currently offered at a significant 91% discount, this title has earned the #4 position in the best deals for games like Iron Marines.
7.8
3,234
811
-91%
20.00€
1.80€
5. Shortest Trip to Earth
Similarity 50% Shortest Trip to Earth is a roguelike spaceship simulator focused on exploration, ship management and tactical battles. Embark on a perilous journey across the universe with nuclear missiles, armed crew and a cat. Shortest Trip to Earth is a rogue-lite, space and strategy game developed by Interactive Fate and published by Interactive Fate and Iceberg Interactive. Released on August 15th 2019 has received 1,385 reviews of which 1,067 were positive and 318 were negative resulting in a rating of 7.4 out of 10. Currently offered at a significant 91% discount, this title has earned the #5 position in the best deals for games like Iron Marines.
7.4
1,067
318
-91%
23.78€
2.14€
6. Space Rangers HD: A War Apart
Similarity 65% Space adventure, open world RPG, strategy, arcade, quest and more! Space Rangers HD: A War Apart is a space, rpg and strategy game developed by SNK Games, Elemental Games and Katauri Interactive and published by Fulqrum Publishing. Released on October 17th 2013 has received 6,625 reviews of which 6,253 were positive and 372 were negative resulting in an impressive rating of 9.1 out of 10. Currently offered at a significant 90% discount, this title has earned the #6 position in the best deals for games like Iron Marines.
9.1
6,253
372
-90%
15.30€
1.53€
7. Rock 'N' Roll Defense
Similarity 52% Rocked by an explosive soundtrack, choose your band, place your equipments and defend the Rock 'N' Roll from everyone and everything who try to pull it down, on a totally hardcore tower defense! Rock 'N' Roll Defense is a tower defense, casual and strategy game developed and published by NukGames. Released on August 10th 2016 has received 2,712 reviews of which 2,350 were positive and 362 were negative resulting in a rating of 8.3 out of 10. Currently offered at a significant 90% discount, this title has earned the #7 position in the best deals for games like Iron Marines.
8.3
2,350
362
-90%
4.99€
0.49€
8. Cyberhunt
Similarity 55% Cyberhunt is a retro procedurally generated twin stick shooter, that takes you back to the sweet to the sweet arcade machines era! Cyberhunt is a indie, action and casual game developed and published by NukGames. Released on May 19th 2017 has received 1,916 reviews of which 1,597 were positive and 319 were negative resulting in a rating of 8.0 out of 10. Currently offered at a significant 90% discount, this title has earned the #8 position in the best deals for games like Iron Marines.
8.0
1,597
319
-90%
4.99€
0.49€
9. BLACKHOLE
Similarity 52% BLACKHOLE is an award-winning hardcore platformer with over 15 hours of story-driven sci-fi comedy and gravity-twisting puzzles. Complete Edition out now! BLACKHOLE is a adventure, indie and puzzle-platformer game developed by FiolaSoft Studio and published by Fulqrum Publishing. Released on February 27th 2015 has received 1,049 reviews of which 900 were positive and 149 were negative resulting in a rating of 8.1 out of 10. Currently offered at a significant 89% discount, this title has earned the #9 position in the best deals for games like Iron Marines.
8.1
900
149
-89%
9.09€
1.00€
10. Convoy
Similarity 53% Convoy is a tactical roguelike-like inspired by Mad Max and FTL in which you cross a wasteland in search of parts for your broken ship. Presented in pixel art and set in a future post-apocalyptic setting, Convoy is a squad based tactical combat roguelike-like in its core. Convoy is a pixel graphics, vehicular combat and strategy game developed by Convoy Games and published by Indietopia Games . Released on April 21st 2015 has received 1,434 reviews of which 1,126 were positive and 308 were negative resulting in a rating of 7.5 out of 10. Currently offered at a significant 88% discount, this title has earned the #10 position in the best deals for games like Iron Marines.
7.5
1,126
308
-88%
13.00€
1.56€
Free games like Iron Marines on Steam
Check out this fantastic list of free-to-play games like Iron Marines 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 Iron Marines.
1. Idle Champions of the Forgotten Realms
Similarity 50% Idle Champions of the Forgotten Realms is a Dungeons & Dragons strategy management game uniting Champions from throughout the D&D multiverse into a grand adventure. Idle Champions of the Forgotten Realms is a dungeons & dragons, free to play and idler game developed and published by Codename Entertainment Inc.. Released on March 25th 2020 has received 14,379 reviews of which 11,146 were positive and 3,233 were negative resulting in a rating of 7.6 out of 10. With 2,823 active players enjoying it for free, this strategy game has reached the #1 spot among the top free games like Iron Marines.
7.6
11,146
3,233
2,823
players
2. Clicker Heroes
Similarity 51% Ever wondered what one quadrillion damage per second feels like? Wonder no more! Embark on your quest to attain it today! Clicker Heroes is a clicker, idler and casual game developed and published by Playsaurus. Released on May 13th 2015 has received 61,205 reviews of which 54,909 were positive and 6,296 were negative resulting in a rating of 8.8 out of 10. Thanks to its free to play tag and a daily player base of 2,021, this game has secured the #2 spot in the ranking of free games like Iron Marines.
8.8
54,909
6,296
2,021
players
3. Mr.Mine
Similarity 51% Explore the depths of the earth and uncover hidden treasures in this addictive idle mining game. Unlock the power of your drill with hundreds of upgrades, discover mysterious relics, and unearth priceless gems. Can you master the mines and reveal their deepest secrets? Dive in and dig deep! Mr.Mine is a idler, clicker and simulation game developed and published by Playsaurus. Released on September 30th 2020 has received 16,977 reviews of which 15,607 were positive and 1,370 were negative resulting in a rating of 9.0 out of 10. Thanks to its free to play tag and a daily player base of 872, this game has secured the #3 spot in the ranking of free games like Iron Marines.
9.0
15,607
1,370
872
players
4. Soda Dungeon 2
Similarity 54% Everyone’s favorite laid-back dungeon crawler returns in Soda Dungeon 2. Featuring a new adventure, a whole town to upgrade, crafting, new classes, alternate dimensions, and more! It’s everything you loved about the original plus all the stuff you’ve been asking for. Soda Dungeon 2 is a free to play, rpg and idler game developed by AN Productions and Poxpower and published by Armor Games Studios. Released on July 09th 2020 has received 5,395 reviews of which 5,093 were positive and 302 were negative resulting in an impressive rating of 9.1 out of 10. Attracting a solid base of 252 players due to its free access, this strategy game has achieved the #4 position in the best free games like Iron Marines.
9.1
5,093
302
252
players
5. Endless Sky
Similarity 62% Endless Sky is a 2D space trading and combat game inspired by the classic Escape Velocity series. Work your way up from a relatively wimpy shuttle, cargo ship, or fighter, to a highly upgraded and customized flagship or to a massive fleet of warships or freighters. Endless Sky is a space, free to play and open world game developed and published by Michael Zahniser. Released on October 30th 2015 has received 6,604 reviews of which 6,096 were positive and 508 were negative resulting in a rating of 8.9 out of 10. Attracting a solid base of 129 players due to its free access, this strategy game has achieved the #5 position in the best free games like Iron Marines.
8.9
6,096
508
129
players
6. Soda Dungeon
Similarity 54% Pop the top on some legendary action with Soda Dungeon, the fresh and fizzy hit mobile RPG adventure, now available on your desktop! Manage your team as you raid the local dungeons, upgrade your tavern, and attract new party members. Gold, legendary items, and more await you. Soda Dungeon is a free to play, rpg and pixel graphics game developed by AN Productions and Poxpower and published by Armor Games Studios. Released on February 06th 2017 has received 6,151 reviews of which 5,802 were positive and 349 were negative resulting in an impressive rating of 9.1 out of 10. The game currently holds the #6 spot among the most played free games like Iron Marines.
9.1
5,802
349
88
players
7. My Lands: Black Gem Hunting
Similarity 50% My Lands is a free online RTS where dark and light forces fight for Black Gem and dominion in a vast fantasy world. Cooperation between players, joint economy development, creation of clans and alliances and elaboration of a team strategy serve as the very foundation of the game. My Lands: Black Gem Hunting is a strategy, free to play and rts game developed by Gravvit Ltd and Forbes Consult Ltd and published by ELYLAND INVESTMENT COMPANY Ltd. Released on September 16th 2014 has received 3,306 reviews of which 2,768 were positive and 538 were negative resulting in a rating of 8.1 out of 10. The game currently holds the #7 spot among the most played free games like Iron Marines.
8.1
2,768
538
43
players
8. AirMech
Similarity 55% AirMech® Strike is a fast paced Action-RTS game that can be played solo, coop, or competitively online. Earn Kudos and Experience in battle and unlock a wide collection of AirMechs and Units while you practice the perfect strategy to emerge victorious! AirMech is a free to play, strategy and multiplayer game developed and published by Carbon Games. Released on March 30th 2018 has received 10,655 reviews of which 8,961 were positive and 1,694 were negative resulting in a rating of 8.2 out of 10. The game currently holds the #8 spot among the most played free games like Iron Marines.
8.2
8,961
1,694
35
players
9. Battle Islands
Similarity 51% Battle friends over air, land and sea in this epic WW2-themed battle strategy game. Battle Islands is a strategy, free to play and multiplayer game developed by DR Studios and published by 505 Games. Released on August 06th 2014 has received 3,428 reviews of which 2,605 were positive and 823 were negative resulting in a rating of 7.4 out of 10. The game currently holds the #9 spot among the most played free games like Iron Marines.
7.4
2,605
823
20
players
10. Kepler-2100
Similarity 53% Kepler-2100 is a space fantasy strategy war game Kepler-2100 is a strategy, space and 3d platformer game developed and published by NCARD. Released on September 24th 2024 has received 425 reviews of which 342 were positive and 83 were negative resulting in a rating of 7.6 out of 10. The game currently holds the #10 spot among the most played free games like Iron Marines.
7.6
342
83
14
players