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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Geometry Dash
Jump and fly your way through danger in this rhythm-based action platformer!
Captain Forever Remix
Can you create the raddest spaceship? Captain Forever Remix is the spaceship builder roguelike. Voyage across the Solar System and blast apart randomly-generated enemies for spare parts. This is an officially-licensed re-imagining of the indie classic Captain Forever.
Defense Grid: The Awakening
Defense Grid: The Awakening is a unique spin on tower defense gameplay that will appeal to players of all skill levels. A horde of enemies is invading, and it's up to the player to stop them by strategically building fortification towers around their base.
Asgard's Fall — Viking Survivors
Embark on an epic saga in Asgard's Fall, a norse Survivors-like Roguelite. Fight your way through hordes of creatures and let the gods feel your relentless wrath. How will your saga unfold?
2112TD: Tower Defense Survival
Get ready for the ULTIMATE tower defense onslaught. Build, deploy, research and upgrade your defenses in this epic, old school RTS inspired sci-fi adventure.
Lair of the Clockwork God
A fast-paced Point-and-Click adventure AND an indie platfomer in one! Join adventurer Ben and wannabe indie darling Dan in a race against time to stop all the Apocalypses happening at the same time.
Almost There: The Platformer
Sprint between saw blades while dodging homing missiles. Duck under lasers while the floor crumbles beneath you. Almost There was designed specifically for fans of the hardcore platforming genre - you've been warned.
ARMORED KITTEN
Awesome side scroll action about Cute and Deadly Kitten with a double shotgun!
Zombie Defense
A modern hybrid of the classic RTS and modern Tower Defense. Recruit soldiers, place them on slots and let them shoot incoming waves of zombies by their own. Order supplies, throw grenades, order airstrikes and many more... Perfect mix of strategy, tactics and micromanagement.
Space Pilgrim Episode I: Alpha Centauri
Captain Gail Pilgrim has been flying starships since she was a kid, ferrying passengers between planets and space stations across the galaxy. She has no reason to expect that this latest trip to Alpha Centauri will be anything special, even if her passengers are a little more diverse than usual....
Airscape - The Fall of Gravity
Airscape is a fast-paced, ultra-challenging 60 level action platformer. You play a deep-sea octopus, kidnapped by a mechanical alien race. Jump, dodge, and swim through a skybound environment full of floating islands, water formations, and robotic terrors.
Tooth and Tail
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!
Sparkle 2 Evo
Control the evolution with the touch of your finger. Can you grow the biggest Sparkle in the world?
SPORE™ Creepy & Cute Parts Pack
Add horror and humor to your universe. Make grotesque beasts or cuddly critters, then watch them do the robot, zombie walk, break dance and more! Includes over 100 new items. 60 New parts 48 New paint options 24 New animations
Sunshine Heavy Industries
Welcome to Sunshine Heavy Industries! As the new spaceship engineer, solve increasingly tricky design puzzles with your own personal style. Manage customer demands, juggle budget and ship performance, and survive the questionable decision making skills of your business partner.
Mr.Mine
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!
EmergeNYC
EmergeNYC is a simulation of New York City's Emergency Services. Drive over 30 different Emergency Vehicles with up to 32 of your friends through busy City Streets with blazing sirens and air horns. Take the role of a firefighter, medic, or police officer and ride with your friends to emergencies
Clicker Heroes
Ever wondered what one quadrillion damage per second feels like? Wonder no more! Embark on your quest to attain it today!
Bloodsports.TV
Co-Op Hero Defense set in a deadly post-apocalyptic Sweden. Team up with your friends and protect the Missile Silo against horrific beasts and outlaws.
Executive Assault
Executive Assault is an indie real-time strategy/first-person shooter where you can not only build your base and create armies, but also take control of your units and fight as one of them.
Star Saviors
Saviors brings the best bullet hell experience you can find on Steam. Play through 18 challenging stages in this ultimate test of tactics and reflexes.
Battle Islands
Battle friends over air, land and sea in this epic WW2-themed battle strategy game.
Halo: Spartan Assault
Halo: Spartan Assault brings the excitement of Halo combat to Steam for the very first time. Battle your way through 30 action-packed missions against the Covenant as you explore the origin of the Spartan Ops program featured in Halo 4. *DirectX feature level 10 required. *
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 25,337 peak concurrent players over the last day.
9.3
387,347
27,443
25,337
players
2. 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 10,196 players online at once in the last 24 hours, this game is currently ranked #2 among games like Iron Marines based on player count.
9.5
123,406
4,149
10,196
players
3. 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. While seeing 4,551 players online at once in the last 24 hours, this game is currently ranked #3 among games like Iron Marines based on player count.
9.6
82,683
1,984
4,551
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 2,911 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
2,911
players
5. 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. With 2,776 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like Iron Marines.
8.7
116,777
15,101
2,776
players
6. 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 2,212 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like Iron Marines.
8.8
54,909
6,296
2,212
players
7. 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 1,378 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like Iron Marines.
9.6
37,985
921
1,378
players
8. 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 1,216 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like Iron Marines.
9.0
15,607
1,370
1,216
players
9. Kingdom Rush 5: Alliance TD
Similarity 56% While a formidable evil emerges, an unexpected alliance is taking shape! It will take the finest warriors of Linirea and the relentless Dark Army to stop it. Beware! Though they may journey side by side the ever-changing winds of fate could swiftly alter their course. Kingdom Rush 5: Alliance TD is a strategy, tower defense and 2d game developed and published by Ironhide Game Studio. Released on July 25th 2024 has received 8,686 reviews of which 7,605 were positive and 1,081 were negative resulting in a rating of 8.5 out of 10. With 1,002 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like Iron Marines.
8.5
7,605
1,081
1,002
players
10. 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 987 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like Iron Marines.
9.4
71,155
3,433
987
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 2,911 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
2,911
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 2,212, this game has secured the #2 spot in the ranking of free games like Iron Marines.
8.8
54,909
6,296
2,212
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 1,216, this game has secured the #3 spot in the ranking of free games like Iron Marines.
9.0
15,607
1,370
1,216
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 269 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
269
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 142 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
142
players
6. Art of War: Red Tides
Similarity 62% Art of War: Red Tides is a fair multiplayer strategy game that allows different teams on the same platform (e.g. smartphones, PC, etc.) to battle against each other. You will encounter players around the world! Art of War: Red Tides is a free to play, strategy and multiplayer game developed and published by Game Science. Released on December 22nd 2016 has received 6,897 reviews of which 5,440 were positive and 1,457 were negative resulting in a rating of 7.7 out of 10. The game currently holds the #6 spot among the most played free games like Iron Marines.
7.7
5,440
1,457
92
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
81
players
8. 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 #8 spot among the most played free games like Iron Marines.
9.1
5,802
349
71
players
9. 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 #9 spot among the most played free games like Iron Marines.
8.2
8,961
1,694
31
players
10. 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 #10 spot among the most played free games like Iron Marines.
7.4
2,605
823
15
players