Games Like M.A.S.S. Builder

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!

Why similar: Mechs 47.4% ★, Robots 16.3%, Character Customization 11%, Anime 5.3%, Sci-fi 5%

Why You'll Like It: Shares the exact anime-inspired aesthetic and fast-paced, customizable mech combat that defines M.A.S.S. Builder.

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.

Why similar: Mechs 37.6% ★, Robots 16%, Character Customization 10.5%, Post-apocalyptic 7.1%, Futuristic 6.6%

Why You'll Like It: The gold standard for modern mech action, offering unparalleled depth in assembly and high-stakes, fast-paced combat.

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.

Why similar: Mechs 33.1% ★, Robots 21.4%, Hack and Slash 14.7%, Action RPG 10.9%, Character Customization 6.3%

Why You'll Like It: Provides the most comprehensive 'build your own robot' experience with extensive part-swapping and hack-and-slash gameplay.

Launch a counteroffensive to take back the Earth from alien invaders in this mecha action RPG.

Why similar: Mechs 33% ★, Robots 15.3%, Hack and Slash 15.1%, Character Customization 10.9%, Anime 5.8%

Why You'll Like It: An excellent spectacle-fighter that blends deep mech customization with intense, mission-based PVE combat.

Mecha action shooter, plunging the player into an apocalyptic war. Engage in epic battles with endless hordes of monsters in your powerful customizable mechs.

Why similar: Mechs 39.4% ★, Robots 20.1%, Post-apocalyptic 7.9%, Character Customization 7.3%, Shooter 6.1%

Why You'll Like It: Focuses heavily on modular customization and intense, tactical mech combat against overwhelming odds.

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!

Why similar: Mechs 29.9% ★, Robots 15.8%, Hack and Slash 11.3%, Action RPG 11.1%, Anime 6.2%

Why You'll Like It: Features fast-paced action-RPG combat with a wide variety of unlockable units and deep upgrade systems.

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!

Why similar: Mechs 36.3% ★, Hack and Slash 14.7%, Robots 14.5%, Action RPG 12.3%, Character Customization 11.5%

Why You'll Like It: A fast-paced, customizable action-roguelike that emphasizes mech building and arcade-style combat.

Set on an Earth where mankind is being steadily annihilated by the alien invaders known as the BETA, Project MIKHAIL lets you pilot a Tactical Surface Fighter in the war to save humanity!

Why similar: Mechs 28.1% ★, Robots 16.6%, Hack and Slash 12.2%, Action RPG 11.3%, Post-apocalyptic 9.2%

Why You'll Like It: Captures the desperate, high-stakes feel of fighting massive alien swarms in customizable mechs.

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.

Why similar: Mechs 40% ★, Robots 17.4%, Character Customization 11.3%, Action RPG 8.9%, Post-apocalyptic 4.4%

Why You'll Like It: Offers a souls-like approach to mech combat with a strong emphasis on deep customization and challenging encounters.

Experience piloting and customizing massive armored units called Wanzers while engaging in high-intensity battles driven by a compelling story. The battle begins now!

Why similar: Mechs 66.7% ★, Third-Person Shooter 9.5%, Robots 7.6%, Shooter 6.5%, Action 3.8%

Why You'll Like It: A grounded, action-oriented take on the classic mech series that emphasizes third-person shooter mechanics.

Take customization to the extreme with the Omega Customization System and battle with one-of-a-kind combat units in this all-new third-person shooter mecha game.

Why similar: Mechs 35.5% ★, Third-Person Shooter 13.3%, Character Customization 12.7%, Robots 10.6%, Hack and Slash 9.7%

Why You'll Like It: Offers unparalleled, chaotic freedom in mech assembly, allowing for truly unique and bizarre robot designs.

ZONE OF THE ENDERS THE 2nd RUNNER - M∀RS Remastered in 4K and full VR. Enter Orbital Frame JEHUTY's cockpit and fly through Martian skies!

Why similar: Mechs 62.2% ★, Robots 11.2%, Action 7%, Anime 6.6%, Sci-fi 6.1%

Why You'll Like It: Delivers high-speed, anime-inspired mech combat that perfectly captures the intensity of the genre.

Fast-paced mecha themed third person shooter.

Why similar: Mechs 35.4% ★, Robots 17.7%, Third-Person Shooter 14.8%, Character Customization 10.8%, Futuristic 5.3%

Why You'll Like It: Features a similar focus on third-person mech action and modular upgrades in a sci-fi setting.

Nimbus INFINITY is a high-speed mech action game, set in the future of a war-torn Earth that has just begun to heal. Equip mechanical Battle Frames with weapons to customize your battle style, and soar through variant battlefields while discovering the story of a new generation.

Why similar: Mechs 32.4% ★, Gun Customization 11% ★, Robots 10.5%, Anime 7.5%, Sci-fi 7.2%

Why You'll Like It: Focuses on fast-paced, anime-inspired aerial mech combat with a strong emphasis on mobility.

Stand and fight for humanity. This arcade shooter takes place in the year 2022, as the Earth Defense Force fends off an all-out attack by unknown life forms. Become an EDF soldier, battle against endless hordes of immense enemies, and restore peace to the earth.

Why similar: Mechs 41% ★, Third-Person Shooter 17.9%, Shooter 8.5%, Sci-fi 8.4%, Action 7%

Why You'll Like It: While not a mech game, it perfectly captures the feeling of fighting massive alien swarms that defines the mission structure of M.A.S.S. Builder.

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!

Why similar: Mechs 36.1% ★, Robots 16.6%, Third-Person Shooter 13.5%, Sci-fi 7.8%, Shooter 7.8%

Why You'll Like It: Combines space combat with modular mech customization and satisfying third-person shooter mechanics.

Climb into the cockpit of an otherworldly war machine and fly into battle against a horrifying alien race bent on eradicating humanity to preserve their own civilization.

Why similar: Mechs 42.1% ★, Robots 17.9%, Shooter 9.7%, Futuristic 8.8%, Anime 8.7%

Why You'll Like It: A high-octane, anime-styled mech shooter that emphasizes speed, spectacle, and overwhelming firepower.

Granvir is a 3rd person action roguelite mech-builder with co-op multiplayer. Scavenge the battlefield for parts to replace and upgrade your Granvir and weaponry. PIlot your Granvir and manage your campaign between battles to find the best equipment and stay supplied while fighting a guerilla war.

Why similar: Mechs 29.9% ★, Robots 16.2%, Third-Person Shooter 11.1%, Action RPG 9.3%, Futuristic 6.9%

Why You'll Like It: Focuses on mech combat and customization in a modern, multiplayer-friendly package with a focus on tactical movement.

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.

Why similar: Mechs 62.9% ★, Robots 19.4%, Anime 5.9%, Sci-fi 5%, Action 3.8%

Why You'll Like It: Offers high-speed, anime-style aerial combat that feels very similar to the movement in M.A.S.S. Builder.

Garrison: Archangel is a fast-paced, customizable, mecha fighting game designed for epic anime style one-on-one and multiplayer team battles. Design, build and pilot your Archangels today!

Why similar: Mechs 49.2% ★, Robots 18.1%, Character Customization 16.9%, Multiplayer 5.6%, Anime 3.6%

Why You'll Like It: Arena-based combat with a strong emphasis on character and mech customization for competitive play.

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!

Why similar: Mechs 40.7% ★, Robots 17.4%, Action RPG 13.2%, Character Customization 8.6%, Anime 8%

Why You'll Like It: Offers a classic anime mech action experience with a focus on mission-based progression.

"PUNIHI LOADER 2" is customizable mecha third-person shooter in which the one-headed mysterious cute creature "Punihi" rides and fights in unique mecha. Customize your mecha by combining over 150 parts. You can also change the clothes of "Punihi". Create your own ultimate mecha.

Why similar: Mechs 44.2% ★, Robots 14.9%, Third-Person Shooter 11.9%, Character Customization 7.5%, Shooter 6.9%

Why You'll Like It: An indie mech action title that emphasizes customization and arcade-style, mission-based combat.

You are in control of DAT, a Battle Mech Peace Keeping Force. You must save Earth’s Migrants and the Mars Colonies from the threat of the ANTS uprising. Who or what could be leading this threat against Mars, and the new planned perfect utopia for humanity?

Why similar: Mechs 66.2% ★, Robots 22.9%, Action 11%

Why You'll Like It: Straightforward, fast-paced mech action with plenty of customization options for different playstyles.

Squad up in Mecha BREAK, a multiplayer third-person shooter offering three intense game modes filled with ground and aerial combat. Pilot your Striker into the breach and neutralize enemies. Are you ready for the ultimate showdown?

Why similar: Mechs 37% ★, Robots 16.6%, Third-Person Shooter 10.2%, Character Customization 9.6%, Sci-fi 6.2%

Why You'll Like It: A modern, fast-paced multiplayer mech combat game with high-fidelity visuals and fluid movement.

Immerse yourself in massive fleet battles where your dog-fighting skills will directly affect the fate of the cosmos.

Why similar: Mechs 52.7% ★, Sci-fi 12.5%, Robots 11.6%, Shooter 7.6%, Action 4.8%

Why You'll Like It: Offers a unique transformation mechanic and fast-paced space combat that complements the mech genre.

With your uniquely crafted mech, dominate both the track and the battlefield. Fight your way through countless battles and aim for ever greater heights! This installment of BREAK ARTS is the ultimate Comprehensive Mech-Customizing Competitive Sport.

Why similar: Mechs 34.6% ★, Robots 19.8%, Character Customization 9.5%, Futuristic 8.9%, Shooter 8%

Why You'll Like It: While focused on racing, it features some of the most detailed and intricate mech customization tools available on Steam.

Return to the world of high-octane mech combat in Hawken Reborn. Construct your ultimate war machine and shoot your way through hordes of enemies to uncover the mysteries of Ilall in this brand-new Free-to-Play PVE mech game.

Why similar: Mechs 56.8% ★, Shooter 12.1%, Post-apocalyptic 11.8%, Sci-fi 9.3%, Action 4.1%

Why You'll Like It: Focuses on the visceral, heavy feel of piloting a mech in a gritty, industrial sci-fi setting.

Feel the exhilaration of fast-paced combat in your fully customized armored suit as you freely explore a deadly and dangerous world on land or in the air. Take on titanic boss battles with alone or with up to two other friends in online co-op!

Why similar: Mechs 40.1% ★, Hack and Slash 13.9%, Character Customization 11.6%, Sci-fi 8.9%, Futuristic 8.3%

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.

Why similar: Mechs 53.4% ★, Robots 19%, Third-Person Shooter 10.8%, Action 6.8%, Shooter 5.4%

Why You'll Like It: A classic arcade-style mech shooter that emphasizes transformation and heavy firepower against large groups of enemies.

Collect Gunpla parts with friends, and make the ultimate Gundam! Defeat your enemies with your Gunpla model, collect their parts, and use them to make and battle with your own custom Gundam in this all-new Gunpla action game!

Why similar: Mechs 65.3% ★, Anime 10.2%, Robots 8.4%, Character Customization 7.9%, Action 4.7%

Why You'll Like It: Provides a similar 'build and battle' experience with a distinct anime aesthetic and focus on part collection.

Take command of your own mercenary outfit of 'Mechs and the MechWarriors that pilot them, struggling to stay afloat as you find yourself drawn into a brutal interstellar civil war.

Why similar: Mechs 63.8% ★, Robots 10.5%, Sci-fi 8.2%, Character Customization 6.6%, Futuristic 4.2%

Strap yourself into the cockpit of a robot seven times taller than a Tyrannosaurus Rex and prepare to do battle in Vox Machinae: the ultimate giant robot combat action-simulator for both VR and standard screens.

Why similar: Mechs 32.5% ★, Gun Customization 21.4% ★, Robots 17.8%, Sci-fi 7%, Shooter 6.7%

Granvir: Zero Front is a 3rd person action roguelite mech-builder with co-op multiplayer. Experience the prelude to Granvir as the resistance response to the Millennium Company invasion. Pilot your Granvir, manage your campaign between battles to find the best equipment, and stay in the fight.

Why similar: Mechs 34.4% ★, Robots 19.1%, Third-Person Shooter 13.1%, Third Person 6.5%, Sci-fi 6.5%

“Grab, hurl, and eliminate” Rogue-lite Core-Action!! A large-scale rebellion erupts within the spacecraft “Life Stream.” With the help of you, Rona, an android known as “Metallic Child,” stands up against a fleet of massive robots to stop the plot devised by her own creator, Doctor Irene.

Why similar: Robots 26%, Hack and Slash 26%, Mechs 20.2% ★, Sci-fi 10.2%, Anime 5.5%

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?!

Why similar: Mechs 28.7% ★, Robots 16.2%, Gun Customization 13.8% ★, Character Customization 9.6%, Futuristic 6.6%

Climb inside a colossal war machine, where every switch is at your command. Iron Rebellion is a VR multiplayer sci-fi mech shooter SIM that puts you in the pilot’s seat. Customize your mech, control every system from inside the cockpit, and face other players in fast-paced, tactical PvP battles.

Why similar: Mechs 32.3% ★, Robots 20.2%, Character Customization 11.6%, Futuristic 9%, Sci-fi 7.6%

AirMech Wastelands is an Action-RPG set in an alternate future America following a global collapse of modern civilization. You are an AirMech Pilot, with the skills to fly and upgrade these ultimate pre-war machines. Unravel the mystery of why these machines are trying to wipe us out!

Why similar: Mechs 61.8% ★, RPG 18%, Action 11.8%, Indie 8.4%

Mech FPS game in all directions of space; follow the story and contribute to the fight for your homeland! Survive the space wars as an up-and-coming soldier with the toughest warriors around!

Why similar: Mechs 53.5% ★, Sci-fi 12.1%, Shooter 9.6%, Futuristic 9.5%, Anime 4.6%

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!

Why similar: Mechs 52.1% ★, Anime 10.9%, Sci-fi 10.4%, Shooter 9%, Multiplayer 6.6%

This is a free-to-play team battle action game based on the "Mobile Suit Gundam" series of the Universal Century. Whether by land or by space, lay waste to your foes using either your favorite Mobile Suit or roam the battlefield as infantry and capture important objectives.

Why similar: Mechs 36.7% ★, Robots 22.9%, Third-Person Shooter 14.2%, Character Customization 7.7%, Shooter 6.5%

Command Mobile Outpost and take XEN Firearm to venture deep into the Signet surveillance off-limit area. Collect unique Weapon Units. Amp up the firepower of the Outpost that fights with you. This is an FTD game - FPS, Tower Defense, Base Building and much more all at the same time.

Why similar: Robots 49.9%, Post-apocalyptic 19.2%, Sci-fi 13.4%, Shooter 11.6%, Action 3.4%

Create and command custom Mechs to outmaneuver The Swarm in this post-apocalyptic tactical turn-based rogue-lite. Leverage the terrain, learn each Mech's unique skills and use strategy and resources to survive an ever-changing series of battles to give humanity hope.

Why similar: Mechs 48.1% ★, Character Customization 17.6%, Post-apocalyptic 15.4%, Sci-fi 10.5%, RPG 7%

Unique mix of Action, RTS and RPG gameplay elements that forms an innovative game genre. You can build base, manage troops, and then come down to keep your enemy at gunpoint in the dynamic battle and customize your main characters.

Why similar: Mechs 35.8% ★, Third-Person Shooter 19.2%, Sci-fi 15.6%, RPG 10.7%, Action 7.4%

Fast paced Bullet hell Roguelite FPS 🔴 Fight relentless machines driven by a hostile AI. Escape an endless cycle. Craft infinite weapon variants with deep gun modding. Forge deadly synergies. Carve your way out through enviro destruction /BREAK THE SYSTEM /BREAK FREE

Why similar: Gun Customization 36.2% ★, Robots 21.3%, Futuristic 11%, Shooter 10%, Sci-fi 9.6%

MOTHERGUNSHIP is a bullet-hell FPS where you craft your own guns, fight gigantic bosses, and defeat a robotic alien armada that conquered Earth. Face off against overwhelming odds in brutal, non-stop combats where thinking on your feet is the only way to survive.

Why similar: Gun Customization 71.8% ★, Sci-fi 11.9%, Action 8.1%, Indie 5.5%, Singleplayer 2.7%

In the year 2299, an interstellar war rages on. In a bid to save Earth from destruction, you must take control of the Strike Suit – a revolutionary fighter craft with the ability to transform into a lethal suit of space armor.

Why similar: Mechs 66.8% ★, Sci-fi 15.7%, Action 7.8%, Shooter 5.5%, Indie 3.5%

Join the rebels in a third-person shooter with RPG elements and base-building mode. Fight against various combat drone models under the control of the supreme AI.

Why similar: Third-Person Shooter 22%, Character Customization 17.8%, Post-apocalyptic 13.3%, Shooter 11.3%, Futuristic 9.1%

In MECHWARRIOR 5: CLANS, players become new Smoke Jaguar pilots in the Clan Invasion of the Inner Sphere. Lead a five-mech "Star" squad across diverse planets, engaging in an expansive campaign with immersive gameplay and intricate combat. Customize BattleMechs and explore strategic options.

Why similar: Mechs 47% ★, Futuristic 12.6%, Character Customization 11.5%, Shooter 10.8%, Sci-fi 9%

Traverse 'The Arc' in this beautiful, Cyberpunk-styled action rogue-lite as you attempt to reset an evil rogue AI. Experiment with different weapons and augments as you fight hordes of machines programmed for your annihilation! Collect Nanites & power-up after every run either solo or with friends!

Why similar: Gun Customization 23.5% ★, Robots 16.3%, Third-Person Shooter 15.8%, Futuristic 9.5%, Shooter 8.6%

Save the world without hope. Year 2040. An action TPS where you will become one of the EDF soldiers and fight against the invaders from outer space which ruined the world. In the world settings which differs from the original "EARTH DEFENSE FORCE" series, more than 50 missions in five difficulties await for your challenge.

Why similar: Mechs 40.8% ★, Third-Person Shooter 20.1%, Action 12.3%, Character Customization 11.3%, Sci-fi 8.3%

An intense, hardcore action side-scroller. Maneuver as a ninja killerbot through dynamic wastelands with 26+ specialized weapons. Dodge, dash, and dominate. A homage to Metroidvania and Roguelike: customize atomic evolution, breach intricate alert levels to decrypt the Oblivion Code...

Why similar: Mechs 27.5% ★, Robots 25.1%, Hack and Slash 18.7%, Post-apocalyptic 9%, Sci-fi 6%

Choose your pilot and build your own custom mecha with 17+ weapons and 55+ attachments, then jump to the battlefield against hundreds of enemies to save spacetime itself in this thrilling sci-fi bullet heaven!

Why similar: Mechs 30.6% ★, Gun Customization 26.3% ★, Hack and Slash 14.3%, Action RPG 12.3%, Shooter 7.7%

Blackwind is a top-down sci-fi action game that puts you in the shoes of a teenager trapped inside a prototype battle armor suit during an alien invasion. Face off against enemies, cut through their ranks, and fight back to stop a planetary invasion.

Why similar: Mechs 55.8% ★, Hack and Slash 23.6%, Sci-fi 6.6%, Character Customization 6.3%, Action 4%

MechWarrior Online™ Legends is a tactical, 'Mech-based online shooter set in the vast BattleTech Universe. Assume the role of an elite MechWarrior, piloting powerful BattleMechs, fighting for supremacy over the Inner Sphere.

Why similar: Mechs 57.6% ★, Robots 18.8%, Shooter 7.6%, Multiplayer 6.9%, Sci-fi 6.6%

Gear up for tactical mech action in War Robots: Frontiers, a free-to-play multiplayer mech shooter. Construct and customize, squad up with Pilots online, and fire up your engines in massive intergalactic battles.

Why similar: Mechs 46.8% ★, Third-Person Shooter 21.7%, Robots 12.5%, Multiplayer 6.8%, Sci-fi 3.9%

A dark sci-fi mech assembling manager with semi-auto battles against mutating, alien bio-weapon.

Why similar: Mechs 71.3% ★, Character Customization 24.8%, Indie 2.8%, Singleplayer 1.1%

CosmicBreak Universal is an MMO action game that lets you play massive battles of up to 30 vs 30 players using customizable robots and humanoids! Create your own original character and aim for victory with your allies!

Why similar: Mechs 32.6% ★, Third-Person Shooter 16.5%, Robots 15.5%, Shooter 10%, Sci-fi 8.1%

Bounty Star is an over-the-shoulder 3D action game that marries mech combat and customization with farming and base building. The player takes on the role of a broken but powerful ex-soldier named Clem, a war veteran, talented fighter and expert mech pilot.

Why similar: Mechs 50.1% ★, Post-apocalyptic 13.6%, Hack and Slash 11.9%, Character Customization 9.4%, Third Person 7.6%