Games like M.A.S.S. Builder

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.

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.

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!

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

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

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!

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!

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.

Command massive armies in this epic mech auto-battler. Draft your troops, customize your units, master your formations, and crush enemies in spectacular 3D battles. All strategy, no clickfest. Outsmart opponents in 1v1, 2v2, free-for-all, or Survival Mode.

An action roguelite game with alien swarms and mechs. Battle enemies to make your way through a mass of spreading and evolving cells hosting dormant enemies. Collect a variety of game-changing skills and upgrades to create unique builds.

Adventure through epic dungeons facing fearsome creatures either solo or with a group of friends. Master your class, loot everything, and destroy the foul creatures of the deep! Will you become a hero of legend?

仙途有尽道无尽，探索风格迥异又危险重重的世界，追寻传说中的不传之秘，打造专属至宝，从数百种灵法与神通中，构建属于自己的战斗流派。于此方世界吐纳天地灵气，探索多方世界，结识仙友道侣，请尽情体验修仙RPG游戏《道衍诀》。

Drova is an Action-RPG that marries the dark grim tones of its genre with the mysticism of Celtic mythology. Encounter a society where ancient restless spirits and divided factions battle for dominance. Uncover forgotten abilities and unravel the secrets of a past shrouded in mystery.

In this PvPvE extraction shooter, players, aided by an AI partner known as a Magus, must survive against xenomorphic creatures and other players in the hunt for resources.

Face the Lords of the Void and their endless minions, collect their Soulstones and become a god! In this Action Roguelite, unveil secret spells, craft mighty weapons, unlock multiple characters, discover game-breaking synergies and conquer the power of the void.

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.

Born into a one-million-year prison sentence, you must survive deadly missions to earn any hope of freedom. Die in prison or live on the battlefield. The choice is yours.

Face relentless alien hordes, collect their resources and assemble an unstoppable squadron of mechs! In this Action Roguelite, discover game-breaking synergies, mix and match weapons and units, unlock upgrades, harvest and conquer alien planets.