Games like M.A.S.S. Builder on Steam
For those who prefer not to search, lists of the most played, top deals and best free games like M.A.S.S. Builder are available at the bottom of the page.
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DAEMON X MACHINA
Pilot your fully customizable Arsenal mech and join your fellow mercenaries in defending humanity from the corrupted machines and gigantic robots in this post-apocalyptic action game!
SD GUNDAM BATTLE ALLIANCE
SD Gundam Battle Alliance is a multiplayer Gundam action RPG where you can smash foes solo or with friends in thrilling mechanized combat. Acquire new mobile suits, power them up, and take them into battle in various missions!
Dolls Nest
Dolls Nest is a 3D action game where you can customize mecha girls and explore a ruined world. As a Frame Unit, your adventure will pit you against the gigantic autonomous factory world of Hod. Overcome obstacles using the parts at your disposal and uncover the mysteries that lie at its center.
EVERSLAUGHT
Traverse an ancient city with randomly generated dungeons, discover rare loot, upgrade your gear, level up your skills and engage in visceral combat with completely unrestricted VR movement!
BREAK ARTS II
Faster than anyone. Stronger than anyone. And more stunning. Customize your robot for “cyber battle racing” in a game that offers all the thrills of racing, battle, and customization. Online, Offline, Time-Attack... which mode will you dominate?!
Project Nimbus: Complete Edition
Project Nimbus is a high speed mech action game set in a post apocalyptic world. Players control 'Battle Frames' - humanoid battle suits armed with an arsenal of weapons.
GUNDAM BREAKER 4
Create your own ultimate Gundam in the newest Gundam Breaker! With more customizable parts than ever before, you finally have the freedom to build your perfect Gunpla. Test it in battle using the brand new dual-weapon system and break parts off of your enemies and add them to your collection.
ARMORED CORE™ VI FIRES OF RUBICON™
A new action game based on the concept of the ARMORED CORE series that uses the knowledge gained from FromSoftware's recent action game development.
Ghostlore
Ghostlore is an 'Eastpunk' Action-RPG where you fight supernatural monsters from Southeast-Asian folklore. Inspired by classic ARPGs such as Diablo 2 and Titan Quest, Ghostlore features detailed item and character customization systems, procedurally generated maps, and awesome 90's retro graphics.
War Tech Fighters
War Tech Fighters - the space action game that combines the spectacular action of Japanese Anime with Hollywood Blockbusters. Configure, upgrade and customize your War Tech and dive into battle to fight back the Zatronian forces and save your galaxy!
Apex Aim Trainer
Improve Your Aim in Apex Legends
Front Mission Evolved
Experience piloting and customizing massive armored units called Wanzers while engaging in high-intensity battles driven by a compelling story. The battle begins now!
HARDCORE MECHA
HARDCORE MECHA is a 2D platformer action focusing on a better handling. The Campaign mode offers rich gameplay and seamless in-game cut-scenes for an immersive experience. Choose your favorite mecha, experience the fast-paced hardcore competitive battle of steel in Multiplayer!
Monomyth
MONOMYTH is an immersive, first-person dungeon-crawling RPG inspired by the genre's late classics. Embark on a journey through a vast and highly interactive game world as you unravel the mysteries hidden beneath the ancient fortress of Lysandria.
Relic Hunters Legend
A Top-Down Shooter/Looter RPG with a touching story inspired by JRPG classics. Shoot enemies, get loot, and customize your characters. Multiple endgame systems and over 100 hours of play await you solo or up to 4-player co-op!
Mecha Knights: Nightmare
Mecha action shooter, plunging the player into an apocalyptic war. Engage in epic battles with endless hordes of monsters in your powerful customizable mechs.
Mahou Arms
Mahou Arms is an anime-inspired character-action hack and slash that tells the story of a magical girl paramilitary group fighting back against an alien invasion.
Gun Metal
Gun Metal is a futuristic action-packed experience where you take control of the fully transformable prototype combat vehicle known as the Havoc Suit.The Havoc Suit, a prototype combat vehicle, remains the only hope to save civilization from a tireless enemy.
Metal Bringer
In this roguelike action-adventure, control humanoid "Labor" and giant "Arms" to uncover the mysteries of the world. Create fully-customizable robots, strengthen them, and take down hordes of enemies!
No Rest for the Wicked
From Moon Studios, the award-winning developers of Ori and the Blind Forest and Ori and the Will of the Wisps comes No Rest for the Wicked, a visceral, precision Action RPG set to reinvent the genre.
Gunjitsu
Gunjitsu is a fast-paced platform shooter with grappling hooks, rocket launchers, guns and grenades! Kill your opponents or race them for the fastest time. Inspirations from old platform shooters gives Gunjitsu a classic feel while modern tech takes it to a new level of frantic action!
MOBILE SUIT GUNDAM SEED BATTLE DESTINY REMASTERED
Become a pilot in the world of Mobile Suit Gundam SEED, for the first time available with English localization! Engage in thrilling, action-packed Gundam battles, complete missions, and tune up your newly acquired Mobile Suits!
Most played games like M.A.S.S. Builder on Steam
Take a look at the top games like M.A.S.S. Builder that are currently attracting the largest player bases on the Steam platform, as of June 16th 2025.
1. Tower of Babel: Survivors of Chaos
Similarity 40% Battle hordes of monsters, acquire new skills, and upgrade your abilities. Customize your build with hundreds of item combinations and reach the top to fulfill your deepest desires. Conquer the tower in this thrilling roguelite hack and slash survivors game! Tower of Babel: Survivors of Chaos is a early access, action roguelike and bullet hell game developed and published by NANOO. Released on May 19th 2025 has received 2,852 reviews of which 1,817 were positive and 1,035 were negative resulting in a rating of 6.3 out of 10. The game has hit the top spot as the #1 most played game like M.A.S.S. Builder, thanks to its 3,392 peak concurrent players over the last day.
6.3
1,817
1,035
3,392
players
2. ARMORED CORE™ VI FIRES OF RUBICON™
Similarity 53% A new action game based on the concept of the ARMORED CORE series that uses the knowledge gained from FromSoftware's recent action game development. ARMORED CORE™ VI FIRES OF RUBICON™ is a mechs, character customization and action game developed by FromSoftware and Inc. and published by BANDAI NAMCO Entertainment Inc., FromSoftware and Inc.. Released on August 24th 2023 has received 77,042 reviews of which 70,425 were positive and 6,617 were negative resulting in an impressive rating of 9 out of 10. While seeing 1,011 players online at once in the last 24 hours, this game is currently ranked #2 among games like M.A.S.S. Builder based on player count.
9
70,425
6,617
1,011
players
3. No Rest for the Wicked
Similarity 44% From Moon Studios, the award-winning developers of Ori and the Blind Forest and Ori and the Will of the Wisps comes No Rest for the Wicked, a visceral, precision Action RPG set to reinvent the genre. No Rest for the Wicked is a early access, open world and souls-like game developed and published by Moon Studios GmbH. Released on April 18th 2024 has received 50,533 reviews of which 39,563 were positive and 10,970 were negative resulting in a rating of 7.7 out of 10. While seeing 947 players online at once in the last 24 hours, this game is currently ranked #3 among games like M.A.S.S. Builder based on player count.
7.7
39,563
10,970
947
players
4. CODE VEIN
Similarity 41% In the face of certain death, we rise. Team up and embark on a journey to the ends of hell to unlock your past and escape your living nightmare in CODE VEIN. CODE VEIN is a souls-like, anime and character customization game developed by Bandai Namco Studios and published by Bandai Namco Entertainment. Released on September 26th 2019 has received 57,318 reviews of which 48,327 were positive and 8,991 were negative resulting in a rating of 8.3 out of 10. With 443 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like M.A.S.S. Builder.
8.3
48,327
8,991
443
players
5. GOD EATER 3
Similarity 42% Set in a post-apocalyptic setting, it’s up to your special team of God Eaters to take down god-like monsters devastating the world. With an epic story, unique characters, and all new God Arcs and Aragami, the latest evolution in ACTION is here! GOD EATER 3 is a anime, action and character customization game developed by Bandai Namco Studios Inc. and published by Bandai Namco Entertainment. Released on February 07th 2019 has received 9,371 reviews of which 7,450 were positive and 1,921 were negative resulting in a rating of 7.8 out of 10. With 249 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like M.A.S.S. Builder.
7.8
7,450
1,921
249
players
6. MOBILE SUIT GUNDAM SEED BATTLE DESTINY REMASTERED
Similarity 43% Become a pilot in the world of Mobile Suit Gundam SEED, for the first time available with English localization! Engage in thrilling, action-packed Gundam battles, complete missions, and tune up your newly acquired Mobile Suits! MOBILE SUIT GUNDAM SEED BATTLE DESTINY REMASTERED is a action, rpg and casual game developed by Bandai Namco Forge Digitals Inc. and published by BANDAI NAMCO Entertainment Inc.. Released on May 21st 2025 has received 497 reviews of which 386 were positive and 111 were negative resulting in a rating of 7.3 out of 10. With 130 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like M.A.S.S. Builder.
7.3
386
111
130
players
7. Dolls Nest
Similarity 57% Dolls Nest is a 3D action game where you can customize mecha girls and explore a ruined world. As a Frame Unit, your adventure will pit you against the gigantic autonomous factory world of Hod. Overcome obstacles using the parts at your disposal and uncover the mysteries that lie at its center. Dolls Nest is a action, mechs and robots game developed and published by NITRO PLUS. Released on April 23rd 2025 has received 1,274 reviews of which 1,100 were positive and 174 were negative resulting in a rating of 8.2 out of 10. With 118 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like M.A.S.S. Builder.
8.2
1,100
174
118
players
8. REKA
Similarity 42% Channel your inner witch! Build your cozy chicken-legged hut, practice witchcraft, and forage for ingredients in autumnal woodlands. Solve quests & uncover the great mysteries of the legendary witch Baba Jaga… REKA is a early access, building and indie game developed by Emberstorm Entertainment and published by Fireshine Games. Released on September 12th 2024 has received 2,626 reviews of which 2,209 were positive and 417 were negative resulting in a rating of 8.1 out of 10. The game currently holds the #8 spot among the most played games like M.A.S.S. Builder.
8.1
2,209
417
80
players
9. GUNDAM BREAKER 4
Similarity 53% Create your own ultimate Gundam in the newest Gundam Breaker! With more customizable parts than ever before, you finally have the freedom to build your perfect Gunpla. Test it in battle using the brand new dual-weapon system and break parts off of your enemies and add them to your collection. GUNDAM BREAKER 4 is a action, robots and hack and slash game developed by CRAFTS ＆ MEISTER Co. and Ltd and published by BANDAI NAMCO Entertainment Inc.. Released on August 28th 2024 has received 3,735 reviews of which 2,798 were positive and 937 were negative resulting in a rating of 7.3 out of 10. The game currently holds the #9 spot among the most played games like M.A.S.S. Builder.
7.3
2,798
937
68
players
10. Metal Bringer
Similarity 44% In this roguelike action-adventure, control humanoid "Labor" and giant "Arms" to uncover the mysteries of the world. Create fully-customizable robots, strengthen them, and take down hordes of enemies! Metal Bringer is a action roguelike, mechs and hack and slash game developed by ALPHAWING Inc. and published by PLAYISM. Released on March 11th 2025 has received 838 reviews of which 746 were positive and 92 were negative resulting in a rating of 8.4 out of 10. The game currently holds the #10 spot among the most played games like M.A.S.S. Builder.
8.4
746
92
35
players
Best deals on games like M.A.S.S. Builder on Steam
Discover fantastic savings with the best discounts on a variety of games like M.A.S.S. Builder 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 M.A.S.S. Builder.
1. War Tech Fighters
Similarity 48% War Tech Fighters - the space action game that combines the spectacular action of Japanese Anime with Hollywood Blockbusters. Configure, upgrade and customize your War Tech and dive into battle to fight back the Zatronian forces and save your galaxy! War Tech Fighters is a action, mechs and shooter game developed by Drakkar Dev and published by Green Man Gaming Publishing. Released on July 25th 2018 has received 335 reviews of which 258 were positive and 77 were negative resulting in a rating of 7.2 out of 10. Featuring a massive 98% discount, this game currently holds the #1 spot in the best deals for games like M.A.S.S. Builder.
7.2
258
77
-98%
19.99€
0.58€
2. GOD EATER 3
Similarity 42% Set in a post-apocalyptic setting, it’s up to your special team of God Eaters to take down god-like monsters devastating the world. With an epic story, unique characters, and all new God Arcs and Aragami, the latest evolution in ACTION is here! GOD EATER 3 is a anime, action and character customization game developed by Bandai Namco Studios Inc. and published by Bandai Namco Entertainment. Released on February 07th 2019 has received 9,371 reviews of which 7,450 were positive and 1,921 were negative resulting in a rating of 7.8 out of 10. Thanks to its incredible 95% discount, this game is now the #2 best deal in games like M.A.S.S. Builder.
7.8
7,450
1,921
-95%
49.99€
2.50€
3. CODE VEIN
Similarity 41% In the face of certain death, we rise. Team up and embark on a journey to the ends of hell to unlock your past and escape your living nightmare in CODE VEIN. CODE VEIN is a souls-like, anime and character customization game developed by Bandai Namco Studios and published by Bandai Namco Entertainment. Released on September 26th 2019 has received 57,318 reviews of which 48,327 were positive and 8,991 were negative resulting in a rating of 8.3 out of 10. Thanks to its incredible 92% discount, this game is now the #3 best deal in games like M.A.S.S. Builder.
8.3
48,327
8,991
-92%
49.99€
4.09€
4. GOD EATER 3
Similarity 42% Set in a post-apocalyptic setting, it’s up to your special team of God Eaters to take down god-like monsters devastating the world. With an epic story, unique characters, and all new God Arcs and Aragami, the latest evolution in ACTION is here! GOD EATER 3 is a game developed and published by . Released on February 07th 2019 has received 9,371 reviews of which 7,450 were positive and 1,921 were negative resulting in a rating of 7.8 out of 10. Currently offered at a significant 95% discount, this title has earned the #4 position in the best deals for games like M.A.S.S. Builder.
7.8
7,450
1,921
-95%
49.99€
2.50€
5. Strike Suit Zero
Similarity 40% Immerse yourself in massive fleet battles where your dog-fighting skills will directly affect the fate of the cosmos. Strike Suit Zero is a space, action and mechs game developed by Born Ready Games Ltd. and published by Born Ready Games. Released on January 23rd 2013 has received 1,656 reviews of which 1,276 were positive and 380 were negative resulting in a rating of 7.4 out of 10. Currently offered at a significant 89% discount, this title has earned the #5 position in the best deals for games like M.A.S.S. Builder.
7.4
1,276
380
-89%
19.50€
2.28€
6. CODE VEIN
Similarity 41% In the face of certain death, we rise. Team up and embark on a journey to the ends of hell to unlock your past and escape your living nightmare in CODE VEIN. CODE VEIN is a game developed and published by . Released on September 26th 2019 has received 57,318 reviews of which 48,327 were positive and 8,991 were negative resulting in a rating of 8.3 out of 10. Currently offered at a significant 92% discount, this title has earned the #6 position in the best deals for games like M.A.S.S. Builder.
8.3
48,327
8,991
-92%
49.99€
4.09€
7. War Tech Fighters
Similarity 48% War Tech Fighters - the space action game that combines the spectacular action of Japanese Anime with Hollywood Blockbusters. Configure, upgrade and customize your War Tech and dive into battle to fight back the Zatronian forces and save your galaxy! War Tech Fighters is a game developed and published by . Released on July 25th 2018 has received 335 reviews of which 258 were positive and 77 were negative resulting in a rating of 7.2 out of 10. Currently offered at a significant 98% discount, this title has earned the #7 position in the best deals for games like M.A.S.S. Builder.
7.2
258
77
-98%
19.99€
0.58€
8. Supercharged Robot VULKAISER
Similarity 41% 70s giant robot anime-inspired side-scrolling shooting from the creators of SATAZIUS and GIGANTIC ARMY! Supercharged Robot VULKAISER is a action, indie and shoot 'em up game developed by ASTRO PORT and published by Henteko Doujin. Released on June 04th 2015 has received 318 reviews of which 298 were positive and 20 were negative resulting in a rating of 8.6 out of 10. Currently offered at a significant 85% discount, this title has earned the #8 position in the best deals for games like M.A.S.S. Builder.
8.6
298
20
-85%
4.99€
0.79€
9. SD GUNDAM BATTLE ALLIANCE
Similarity 59% SD Gundam Battle Alliance is a multiplayer Gundam action RPG where you can smash foes solo or with friends in thrilling mechanized combat. Acquire new mobile suits, power them up, and take them into battle in various missions! SD GUNDAM BATTLE ALLIANCE is a mechs, action rpg and robots game developed by Artdink and published by Bandai Namco Entertainment. Released on August 24th 2022 has received 5,843 reviews of which 3,683 were positive and 2,160 were negative resulting in a rating of 6.2 out of 10. Currently offered at a significant 84% discount, this title has earned the #9 position in the best deals for games like M.A.S.S. Builder.
6.2
3,683
2,160
-84%
49.99€
8.11€
10. SD GUNDAM BATTLE ALLIANCE
Similarity 59% SD Gundam Battle Alliance is a multiplayer Gundam action RPG where you can smash foes solo or with friends in thrilling mechanized combat. Acquire new mobile suits, power them up, and take them into battle in various missions! SD GUNDAM BATTLE ALLIANCE is a game developed and published by . Released on August 24th 2022 has received 5,843 reviews of which 3,683 were positive and 2,160 were negative resulting in a rating of 6.2 out of 10. Currently offered at a significant 84% discount, this title has earned the #10 position in the best deals for games like M.A.S.S. Builder.
6.2
3,683
2,160
-84%
49.99€
8.11€
Free games like M.A.S.S. Builder on Steam
Check out this fantastic list of free-to-play games like M.A.S.S. Builder 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 M.A.S.S. Builder.
1. Epic Conquest 2
Similarity 40% An Action RPG inspired by the classics, with special touch in the game mechanics and anime-style story telling! Epic Conquest 2 is a rpg, action and indie game developed and published by Gaco Games. Released on April 19th 2020 has received 389 reviews of which 327 were positive and 62 were negative resulting in a rating of 7.8 out of 10. The game currently holds the #1 spot among the most played free games like M.A.S.S. Builder.
7.8
327
62
1
players