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.

In this refreshing and exciting shooting game, lead the brave and fearless girl soldiers to fight with the enemy. Refit different types of machine armour, reasonably deploy machine soldiers with different skills, repel all kinds of enemies, and protect the Empire behind you in the gunfire.

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.

Step into Aincrad, a world of beauty and danger where every battle could be your last. Create your hero, choose your gear, and master combat by building synergy with your partner, leveling up, and unlocking special abilities to expand your horizons.

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.

At the end of the Eastern Han Dynasty, the heroes were fighting for hegemony, and the flames were everywhere. In the game, players played the role of Zhao Yun, a well-known general of the Three Kingdoms, and interpreted the story of his youth.

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.

Skybreakers is an action roguelike thriller. Choose from various characters, arm yourself with a vast array of weapons, and create your own unique build by combining artifacts, random talents, abilities, and bonds. Plunge into exhilarating combat and use unique abilities to defeat the evil.

Bioweaver is an RPG game with the main content of treasure hunting and character building. You can use basic programming logic to deeply customize your skill sets, and you can also create organs with different attributes and functions with the special crafting system.

SULFUR is a modern old-school action-adventure: Outsmart enemies, find treasure, improve weapons, harness powers. Delve deeper, find answers, make it end.

Take control of a giant mech and dive into an exciting underground adventure in a dieselpunk world! Dig deep, collect valuable minerals, upgrade wisely, explore diverse locations, uncover ancient secrets, and try not to explode! Will you save the world or vanish in the depths below?

Assemble a limitless arsenal in this survive-em-up roguelite shooter. As a Gun Manufacturer's testing force, your mission is simple: test the latest gun tech and scavenge alien planets. Collect insane weapon parts to invent crazy guns that slay thousands. You may not survive, but your guns will!

Pilot a dwarven mech and fly a dragon as you build and defend outposts across a shattered magical realm. Craft, explore, and survive the dangers of floating islands corrupted by the Taint in this action-packed survival RPG with base-building and co-op.

Deadzone: Rogue is a roguelite FPS set in space. Blast through swarms of hostile machines, combine powerful augments and elements to forge your build, and grow stronger with each run — solo or in co-op.

RAIDING PARTY is a roguelite action rpg with horror gameplay elements. You play as the Wastelander, a retired agent who is ordered to retrieve an ancient AI device. Recruit, train, and lead a raiding party of elite warriors against an evil empire as you discover the AI can help save humanity.

300 years of tyranny. A mysterious mask. Lost pain and memories. Wield the Blazing Sword and join a mysterious, untouchable girl to fight your oppressors. Experience a tale of liberation, featuring characters with next-gen graphical expressiveness!

Made in a close partnership with Games Workshop, Warhammer 40,000: Rogue Trader is a story-rich classical RPG from Owlcat Games, developers of the critically acclaimed game, Pathfinder: Wrath of the Righteous.

A Sci-Fi role-playing game featuring turn-based ground combat, space exploration, deep character customization and a massive living universe with thousands of star systems. Equip your ships with the best equipment you can find, gather a powerful crew of mercenaries and set out into the void!

Build a bright new world alongside a band of rescued robot buddies! In this colorful action RPG, battle waves of enemies in solo or co-op, then return home and use their parts to craft a thriving town. Assemble your crew and grow stronger with each new adventure!

In Lightyear Frontier you use your powerful trusty mech to farm on a large beautiful alien planet. Settle your homestead, farm and deliver produce to remote colonies, gather and manage resources, build, craft, explore, expand, improve your mech, meet neighbors, and make a place to call your own.

All heroes got corrupted! Unlock a diverse cast of crafty professionals, use their unique skills, create your own builds and defend your home by eliminating hordes of monsters. Gather materials, rebuild your village and craft your way to the origin of this malignous curse!

Embark on an epic journey across war-torn 19th-century Japan in this open-world action RPG from Team NINJA, the veteran studio behind "Nioh" and "NINJA GAIDEN."