Games like Iron Sea Defenders on Steam

For those who prefer not to search, lists of the most played, top deals and best free games like Iron Sea Defenders are available at the bottom of the page.

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Sparkle 2 Evo Control the evolution with the touch of your finger. Can you grow the biggest Sparkle in the world?

Similarity 61%
Price -95% 0.27€
Rating 7.1
Release 24 Oct 2013
A Blind Legend A Blind Legend is the first-ever action-adventure game without video – where ears replace eyes! Discover the original, innovative sensory experience of binaural 3D sound.

Similarity 61%
Price -91% 0.63€
Rating 7.2
Release 07 Apr 2016
Deathtrap Deathtrap is a Tower Defense game with strong action-RPG elements, a game of vicious tricks, killing machines, rotating blades and splattering blood.

Similarity 61%
Price -98% 0.49€
Rating 8.1
Release 04 Feb 2015
Heart's Medicine - Hospital Heat The long awaited sequel to "Heart's Medicine - Time to Heal". An intense, but also funny, medical drama that deals with a lot of life-changing decisions. Become an aspiring doctor at Little Creek Hospital!

Similarity 61%
Price 19.50€
Rating 8.8
Release 23 May 2017
The Mammoth: A Cave Painting Tell the 5 million year story of the mammoth in 5 minutes.

Similarity 61%
Price Free to play
Rating 8.7
Release 22 Nov 2017
Boris and the Dark Survival A lone wolf struggles to survive the inky abyss of Joey Drew Studios in this top-down survival horror.

Similarity 61%
Price 2.79€
Rating 8.6
Release 10 Feb 2020
Souls of Blades Famous sword, spiritual realm after the death of the awakening. Where is the owner? How did Gorgeous architecture and The Mysterious Island become a ruin? What happened before the destruction?

Similarity 61%
Price 15.99€
Rating 6.9
Release 22 Sep 2021
Ultimate Zombie Defense Team up or face it alone in this top down zombie slaying defense adventure! Featuring up to 4 player online co-op, cleanse the infected wave by wave and upgrade your base with traps & defenses to build the Ultimate Zombie Defense. Can YOU stop them?

Similarity 61%
Price 4.99€
Rating 8.3
Release 08 Dec 2020
Elon Simulator 2019 The year is 2019.. There is a loong way to the Mars.

Similarity 61%
Price Free to play
Rating 7.7
Release 18 Oct 2019
Defeated Girl Defeated Girl is a jigsaw puzzle.

Similarity 60%
Price 1.99€
Rating 7.7
Release 01 Oct 2020
Orcs Must Die! 2 You’ve tossed, burned and sliced them by the thousands – now orcs must die more than ever before! Grab a friend and slay orcs in untold numbers in this sequel to the 2011 AIAS Strategy Game of the Year from Robot Entertainment.

Similarity 60%
Price -93% 0.91€
Rating 9.1
Release 30 Jul 2012
Anomaly Korea Exclusively brought to Steam for PC, Mac and Linux in Anomaly Bundle, Anomaly Korea is an expansion campaign to Anomaly Warzone Earth. The alien robots are back and this time they’ve got Korea in their sights. It’s your job to lead a squad into fierce fire-fights and fend off the alien invasion.

Similarity 60%
Price -86% 0.69€
Rating 7.5
Release 06 Nov 2013
Terrorhedron Tower Defense Terrorhedron is the 3D, cooperative tower defense game for the PC. Unmatched challenge and complexity is introduced to the genre through 3 dimensional gameplay, micro-strategy through programmable turrets and 'edge of seat' gameplay is extended to multiplayer with up to 8 players online co-op.

Similarity 60%
Price 1.99€
Rating 8.0
Release 24 Jul 2014
天降锦鲤 ~ My Lucky Koi Its`A humorous Daily story——A friendship story between a hard worker and a Koi leprechaun.——This is a Chinese short visual novel with single ending.

Similarity 60%
Price 3.99€
Rating 8.6
Release 22 Nov 2019
Neon Prism Neon prism is a fun and simple but at the same time highly addictive game.

Similarity 60%
Price -99% 0.33€
Rating 6.3
Release 18 Nov 2016
BlackSmith HIT BlackSmith HIT – Hit the iron when it is hot! And show who is the real blacksmith!

Similarity 60%
Price 0.99€
Rating 7.8
Release 05 Aug 2016
Risky Rescue Risky Rescue is a demanding arcade game with flat design graphics and innovative controls. Fly a helicopter and do dangerous missions rescuing people.

Similarity 60%
Price 0.99€
Rating 7.3
Release 19 Feb 2016
8infinity 8infinity (8 infinity) is a dynamic and rhythm game where the player reaches eights “8” - levels of infinity.

Similarity 60%
Price 0.99€
Rating 7.2
Release 23 Sep 2016
Overdungeon A completely new style real-time card battle "Overdungeon" Overdungeon combines rogue-like, tower defense and card games. More than 100 cards are Attack, Animal, Building, Spell, Trap, etc..Build your creative and crazy deck!

Similarity 60%
Price 14.79€
Rating 7.7
Release 22 Aug 2019
Burger Shop 2 Make tasty food items to serve hungry customers in this fast-paced food making game!

Similarity 60%
Price 5.99€
Rating 9.0
Release 01 Dec 2017
Ancient Planet Tower Defense Ancient Planet is classic tower defense game. The stronghold of an ancient civilization has been invaded by hordes of alien raiders. Use powerful technologies of the Ancient and repel the attack of the enemy's armies!

Similarity 60%
Price 4.99€
Rating 7.9
Release 03 Feb 2015
Burger Shop Make burgers, shakes and more in this exciting food-making game that has been enjoyed by millions of fans everywhere.

Similarity 60%
Price 5.99€
Rating 9.1
Release 01 Dec 2017
Castle Build and protect castles simultaneously in this original and addictive game!

Similarity 60%
Price 3.99€
Rating 6.7
Release 07 Jan 2015
Defense Zone 3 Ultra HD The sequel to the hit strategy game, with new weapons, landscapes, and options.

Similarity 60%
Price 8.19€
Rating 7.6
Release 14 Dec 2016

Most played games like Iron Sea Defenders on Steam

Take a look at the top games like Iron Sea Defenders that are currently attracting the largest player bases on the Steam platform, as of June 16th 2025.

1. Cube Racer

Similarity 57% Cube Racer is a round based multiplayer racing game with cubes. Every round, all players race against each other to the finish line. Before every round, the players get to build one or more obstacles on the map. In the next round, all players have to pass all the obstacles, which have been built yet. Cube Racer is a indie, action and casual game developed and published by Simon Blasen. Released on October 30th 2017 has received 1,980 reviews of which 1,791 were positive and 189 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 Iron Sea Defenders, thanks to its 552 peak concurrent players over the last day.
8.6
1,791
189

552
players

2. Atlantica Global

Similarity 55% Atlantica Global is a free-to-play (F2P) massive multiplayer online role-playing game (MMORPG), with a tactical combat system. Venture out in to the world of Atlantis where you'll find otherworldly monsters, amazing gear, and even more battle-hardened adventurers like yourself. Atlantica Global is a free to play, massively multiplayer and rpg game developed by VALOFE and NEXON and published by VALOFE. Released on May 14th 2020 has received 960 reviews of which 616 were positive and 344 were negative resulting in a rating of 6.2 out of 10. While seeing 198 players online at once in the last 24 hours, this game is currently ranked #2 among games like Iron Sea Defenders based on player count.
6.2
616
344

198
players

3. UFO 50

Similarity 57% UFO 50 is a collection of 50 single and multiplayer games that span a variety of genres, from platformers and shoot 'em ups to puzzle games, roguelites, and RPGs. Our goal is to combine a familiar 8-bit aesthetic with new ideas and modern game design. UFO 50 is a indie, pixel graphics and action game developed and published by Mossmouth. Released on September 18th 2024 has received 6,249 reviews of which 5,982 were positive and 267 were negative resulting in an impressive rating of 9.2 out of 10. While seeing 163 players online at once in the last 24 hours, this game is currently ranked #3 among games like Iron Sea Defenders based on player count.
9.2
5,982
267

163
players

4. Hero Zero - Multiplayer RPG

Similarity 55% Become a hero, build your own Hide-Out and start by saving your neighbourhood. Level up your skills, collect incredibly weird superhero gadgets, and join a superhero team to save the world! Hero Zero - Multiplayer RPG is a free to play, rpg and casual game developed by Playata GmbH and published by . Released on July 05th 2016 has received 3,700 reviews of which 3,034 were positive and 666 were negative resulting in a rating of 7.9 out of 10. With 143 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like Iron Sea Defenders.
7.9
3,034
666

143
players

5. XBPlay

Similarity 57% Stream One and Series S/X consoles in 1080p XBPlay is a adventure, indie and casual game developed and published by Studio08 Development. Released on November 30th 2023 has received 436 reviews of which 352 were positive and 84 were negative resulting in a rating of 7.6 out of 10. With 135 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like Iron Sea Defenders.
7.6
352
84

135
players

6. SHOOPER NOVA

Similarity 56% Craft Your Ultimate Circular Fortress! Dive into SHOOPER NOVA, where you choose props and components to build a unique fortress. Unlock combos to shape your strategy and battle style. Become an unstoppable barrage machine and obliterate waves of enemies from all directions! SHOOPER NOVA is a strategy, rogue-lite and casual game developed and published by Jamesika. Released on April 02nd 2025 has received 379 reviews of which 307 were positive and 72 were negative resulting in a rating of 7.6 out of 10. The game currently holds the #6 spot among the most played games like Iron Sea Defenders.
7.6
307
72

96
players

7. Ninja Kiwi Archive

Similarity 56% Enjoy some of the best loved Flash games of the past in this awesome time capsule of over 60 Ninja Kiwi classics. Experience a piece of history and play the original Flash games that spawned the worldwide phenomenon of Bloons TD. Ninja Kiwi Archive is a casual, arcade and strategy game developed and published by Ninja Kiwi. Released on July 08th 2020 has received 5,439 reviews of which 5,107 were positive and 332 were negative resulting in an impressive rating of 9.1 out of 10. The game currently holds the #7 spot among the most played games like Iron Sea Defenders.
9.1
5,107
332

89
players

8. Cyberhunt

Similarity 59% 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 1,946 reviews of which 1,621 were positive and 325 were negative resulting in a rating of 8.0 out of 10. The game currently holds the #8 spot among the most played games like Iron Sea Defenders.
8.0
1,621
325

67
players

9. AtmaSphere

Similarity 63% AtmaSphere is roll-a-ball game set in a medieval world which is full of dangerous traps and uncertain paths! Roll all you want, but don't fall off! Collect all diamonds to impress Ballerina, and get Ballard safely to her house! AtmaSphere is a casual, indie and action game developed by Mazen Games and published by GrabTheGames. Released on February 02nd 2018 has received 1,181 reviews of which 914 were positive and 267 were negative resulting in a rating of 7.4 out of 10. The game currently holds the #9 spot among the most played games like Iron Sea Defenders.
7.4
914
267

67
players

10. Swords and Sandals Classic Collection

Similarity 54% "Gladiator, gladiator, gladiator, Swords and Sandals, Gladiatorrrrr!"You grew up playing the legendary Swords and Sandals turn based combat game series. These games have been played over half a billion times. Swords and Sandals is nostalgia, Swords and Sandals is life. Swords and Sandals Classic Collection is a strategy, rpg and turn-based combat game developed by Whiskeybarrel Studios and published by eGames.com. Released on April 18th 2019 has received 2,660 reviews of which 2,472 were positive and 188 were negative resulting in a rating of 8.9 out of 10. The game currently holds the #10 spot among the most played games like Iron Sea Defenders.
8.9
2,472
188

54
players

Best deals on games like Iron Sea Defenders on Steam

Discover fantastic savings with the best discounts on a variety of games like Iron Sea Defenders 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 Iron Sea Defenders.

1. Slash It 2

Similarity 58% Slash It 2 is a 2D colorful arcade game. The goal is to press letters, numbers and type words in the right time and direction. Slash It 2 is a casual, indie and action game developed by EGAMER and published by SA Industry. Released on January 24th 2017 has received 1,256 reviews of which 1,104 were positive and 152 were negative resulting in a rating of 8.4 out of 10. Featuring a massive 99% discount, this game currently holds the #1 spot in the best deals for games like Iron Sea Defenders.
8.4
1,104
152

-99% 39.99€ 0.45€

2. Cube Runner

Similarity 58% Cube Runner is a 3d action platformer that's simple to learn, exciting to play, and deep enough to challenge even the greatest gamers. Cube Runner is a casual, indie and action game developed by EGAMER and published by SA Industry. Released on December 13th 2016 has received 1,148 reviews of which 966 were positive and 182 were negative resulting in a rating of 8.0 out of 10. Thanks to its incredible 99% discount, this game is now the #2 best deal in games like Iron Sea Defenders.
8.0
966
182

-99% 39.99€ 0.44€

3. No Time To Explain Remastered

Similarity 62% "I Am You From The Future! No Time To Explain, Follow m-OH CHRIST!" Chase your future self through time and alternate realities while fighting giant monsters, collecting hats, and eating cake! No Time To Explain Remastered is the remake of tinyBuild's debut game. Now with multiplayer! No Time To Explain Remastered is a indie, action and adventure game developed and published by tinyBuild. Released on July 17th 2015 has received 2,500 reviews of which 1,972 were positive and 528 were negative resulting in a rating of 7.6 out of 10. Thanks to its incredible 99% discount, this game is now the #3 best deal in games like Iron Sea Defenders.
7.6
1,972
528

-99% 14.79€ 0.29€

4. Duke of Alpha Centauri

Similarity 55% Duke of Alpha Centuri is a space shooter with amazing graphics. The main goal of our game is to have a lot of fun while blowing up hordes of different types of enemies. Engage in boss fights, upgrade your ship and ship systems until you are able to show off in an endless mode. Duke of Alpha Centauri is a action, casual and indie game developed by EGAMER and published by SA Industry. Released on December 28th 2016 has received 526 reviews of which 407 were positive and 119 were negative resulting in a rating of 7.3 out of 10. Currently offered at a significant 99% discount, this title has earned the #4 position in the best deals for games like Iron Sea Defenders.
7.3
407
119

-99% 29.99€ 0.39€

5. Spin Rush

Similarity 58% Spin Rush is 2D arcade game, where you have to collect dots and match colors. Spin Rush is a indie, casual and action game developed by EGAMER and published by SA Industry. Released on September 16th 2016 has received 583 reviews of which 442 were positive and 141 were negative resulting in a rating of 7.2 out of 10. Currently offered at a significant 99% discount, this title has earned the #5 position in the best deals for games like Iron Sea Defenders.
7.2
442
141

-99% 29.99€ 0.44€

6. Neon Space 2

Similarity 70% Neon Space 2 is a highly anticipated sequel to Neon Space. The game kept all the elements from his predecessor, but at the same time the visuals received a major improvement. Neon Space 2 is a action, indie and casual game developed by EGAMER and published by SA Industry. Released on July 26th 2016 has received 422 reviews of which 298 were positive and 124 were negative resulting in a rating of 6.7 out of 10. Currently offered at a significant 99% discount, this title has earned the #6 position in the best deals for games like Iron Sea Defenders.
6.7
298
124

-99% 29.99€ 0.32€

7. Survive in Space

Similarity 73% The game is spread over 50 different levels, and Sasaki must fight through them all to redeem his people. The game features five powerful bosses that you will encounter at the end of each sector – every nine levels. Each boss is a skill puzzle of his own, with shifting mechanics and environments that will keep you on your toes. Survive in Space is a action, casual and indie game developed by EGAMER and published by SA Industry. Released on May 20th 2016 has received 349 reviews of which 239 were positive and 110 were negative resulting in a rating of 6.5 out of 10. Currently offered at a significant 99% discount, this title has earned the #7 position in the best deals for games like Iron Sea Defenders.
6.5
239
110

-99% 29.99€ 0.32€

8. Asteroid Bounty Hunter

Similarity 71% Asteroid Bounty Hunter is a space shooter mixed with interesting boss fights and breathtaking visuals, with a reward system to take your skill to another level. Asteroid Bounty Hunter is a indie, action and casual game developed by EGAMER and published by SA Industry. Released on February 24th 2016 has received 785 reviews of which 513 were positive and 272 were negative resulting in a rating of 6.3 out of 10. Currently offered at a significant 99% discount, this title has earned the #8 position in the best deals for games like Iron Sea Defenders.
6.3
513
272

-99% 13.79€ 0.24€

9. Neon Prism

Similarity 60% Neon prism is a fun and simple but at the same time highly addictive game. Neon Prism is a casual, action and indie game developed by EGAMER and published by SA Industry. Released on November 18th 2016 has received 386 reviews of which 251 were positive and 135 were negative resulting in a rating of 6.3 out of 10. Currently offered at a significant 99% discount, this title has earned the #9 position in the best deals for games like Iron Sea Defenders.
6.3
251
135

-99% 29.99€ 0.33€

10. HERO DEFENSE

Similarity 62% CREEPS CRUMBLE. HEROES RISE. Command a team of renegade heroes and impale, slash, tear and burn through legions of undead hell-bent on world domination. Your mission: to defeat the world’s most powerful vampire, Count Necrosis. HERO DEFENSE is a tower defense, strategy and indie game developed by Happy Tuesday and published by Headup. Released on May 31st 2016 has received 747 reviews of which 471 were positive and 276 were negative resulting in a rating of 6.1 out of 10. Currently offered at a significant 99% discount, this title has earned the #10 position in the best deals for games like Iron Sea Defenders.
6.1
471
276

-99% 29.99€ 0.56€

Free games like Iron Sea Defenders on Steam

Check out this fantastic list of free-to-play games like Iron Sea Defenders 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 Iron Sea Defenders.

1. Cube Racer

Similarity 57% Cube Racer is a round based multiplayer racing game with cubes. Every round, all players race against each other to the finish line. Before every round, the players get to build one or more obstacles on the map. In the next round, all players have to pass all the obstacles, which have been built yet. Cube Racer is a indie, action and casual game developed and published by Simon Blasen. Released on October 30th 2017 has received 1,980 reviews of which 1,791 were positive and 189 were negative resulting in a rating of 8.6 out of 10. With 552 active players enjoying it for free, this strategy game has reached the #1 spot among the top free games like Iron Sea Defenders.
8.6
1,791
189

552
players

2. Atlantica Global

Similarity 55% Atlantica Global is a free-to-play (F2P) massive multiplayer online role-playing game (MMORPG), with a tactical combat system. Venture out in to the world of Atlantis where you'll find otherworldly monsters, amazing gear, and even more battle-hardened adventurers like yourself. Atlantica Global is a free to play, massively multiplayer and rpg game developed by VALOFE and NEXON and published by VALOFE. Released on May 14th 2020 has received 960 reviews of which 616 were positive and 344 were negative resulting in a rating of 6.2 out of 10. Thanks to its free to play tag and a daily player base of 198, this game has secured the #2 spot in the ranking of free games like Iron Sea Defenders.
6.2
616
344

198
players

3. Hero Zero - Multiplayer RPG

Similarity 55% Become a hero, build your own Hide-Out and start by saving your neighbourhood. Level up your skills, collect incredibly weird superhero gadgets, and join a superhero team to save the world! Hero Zero - Multiplayer RPG is a free to play, rpg and casual game developed by Playata GmbH and published by . Released on July 05th 2016 has received 3,700 reviews of which 3,034 were positive and 666 were negative resulting in a rating of 7.9 out of 10. Thanks to its free to play tag and a daily player base of 143, this game has secured the #3 spot in the ranking of free games like Iron Sea Defenders.
7.9
3,034
666

143
players

4. Ninja Kiwi Archive

Similarity 56% Enjoy some of the best loved Flash games of the past in this awesome time capsule of over 60 Ninja Kiwi classics. Experience a piece of history and play the original Flash games that spawned the worldwide phenomenon of Bloons TD. Ninja Kiwi Archive is a casual, arcade and strategy game developed and published by Ninja Kiwi. Released on July 08th 2020 has received 5,439 reviews of which 5,107 were positive and 332 were negative resulting in an impressive rating of 9.1 out of 10. The game currently holds the #4 spot among the most played free games like Iron Sea Defenders.
9.1
5,107
332

89
players

5. Midas Gold Plus

Similarity 57% Discover Midas Gold Plus, an engaging idle clicker set in a mythical world! Harness King Midas' golden touch, build a legendary city, and unlock powerful champions. Master unique gameplay styles, explore pet battles, and conquer rival cities. Delve into this ancient tycoon adventure today! Midas Gold Plus is a free to play, clicker and indie game developed and published by Holyday Studios. Released on February 01st 2017 has received 1,755 reviews of which 1,505 were positive and 250 were negative resulting in a rating of 8.2 out of 10. The game currently holds the #5 spot among the most played free games like Iron Sea Defenders.
8.2
1,505
250

30
players

6. Touhou Big Big Battle

Similarity 55% just a touhou rts game Touhou Big Big Battle is a early access, strategy and indie game developed and published by MyACG Studio. Released on September 10th 2018 has received 4,012 reviews of which 3,220 were positive and 792 were negative resulting in a rating of 7.8 out of 10. The game currently holds the #6 spot among the most played free games like Iron Sea Defenders.
7.8
3,220
792

9
players

7. Tales Beyond The Tomb - Pineville Night Stalker

Similarity 58% After her mother's unexpected death, Megan receives a call about a mysterious inheritance awaiting her in the town of Pineville. With her work friend, Lenny, she embarks on a journey that should be simple, but quickly turns into a web of danger and deception. Tales Beyond The Tomb - Pineville Night Stalker is a adventure, action and casual game developed and published by 616 GAMES. Released on November 20th 2024 has received 313 reviews of which 260 were positive and 53 were negative resulting in a rating of 7.7 out of 10. The game currently holds the #7 spot among the most played free games like Iron Sea Defenders.
7.7
260
53

9
players

8. Sang-Froid - Tales of Werewolves

Similarity 68% Combining action and strategy in a unique way, Sang-Froid: Tales of Werewolves transports you into an epic folktale co-written with best-selling Canadian author Bryan Perro (Amos Daragon, Wariwulf), in which two feuding brothers will have to put aside their differences to save their sister, who is pursued by the Devil himself! Sang-Froid - Tales of Werewolves is a strategy, werewolves and tower defense game developed and published by Artifice Studio. Released on April 05th 2013 has received 1,923 reviews of which 1,687 were positive and 236 were negative resulting in a rating of 8.4 out of 10. The game currently holds the #8 spot among the most played free games like Iron Sea Defenders.
8.4
1,687
236

3
players

9. Elon Simulator 2019

Similarity 61% The year is 2019.. There is a loong way to the Mars. Elon Simulator 2019 is a free to play, racing and action game developed and published by SRS Games. Released on October 18th 2019 has received 489 reviews of which 402 were positive and 87 were negative resulting in a rating of 7.7 out of 10. The game currently holds the #9 spot among the most played free games like Iron Sea Defenders.
7.7
402
87

3
players

10. Shark Simulator

Similarity 55% Shark Simulator is a WTF physics sandbox. Play as Ed the shark, and give those tourists a vacation they will remember! Shark Simulator is a simulation, action and indie game developed and published by Aerilon Studios. Released on November 22nd 2017 has received 579 reviews of which 512 were positive and 67 were negative resulting in a rating of 8.3 out of 10. The game currently holds the #10 spot among the most played free games like Iron Sea Defenders.
8.3
512
67

2
players