Games like M.A.S.S. Builder

RIG Riot is a roguelike third-person mech-action shooter. Fight increasingly difficult enemies while completing objectives, level up, and choose the Weapons and Volatile Mods that will let you return from your raids victorious. Discover thousands of permanent parts, and build a RIG unlike any other.

Gather your allies. Eliminate Angels. Transform into a Magical Girl. Slay god. Kernel Hearts is a Multiplayer Co-Op Roguelike Action RPG about four magical girls and their attempt to save a world that's drowning in ashes

Remember the RPG that defined a generation? ZENONIA is back—faithfully restored and now on Steam. Relive the adventure that kept you playing for hours, or experience it for the first time.

Biovoid is a creature-building roguelike game where you slay hordes of hostile aliens. Combine a variety of cells and mutations to create game-breaking builds and evolve from a fragile hatchling to a deadly predator.

You click - You dash - You slash. Bot slash Bot is a fast-paced, top-down Hack n‘ Slash in which you control a rogue robot slashing & dashing through your former co-machines holding you captive! It's all about speed. Time is running out.

This is a fight for survival. Xenomorphs swarm in overwhelming numbers. Every room could be your last.

Arena combat meets mercenary club management. Recruit from a dynamic market, build your squad, and compete season after season in leagues and cups.

Embark on an epic saga in Asgard's Fall, a norse Survivors-like Roguelite. Fight your way through hordes of creatures and let the gods feel your relentless wrath. How will your saga unfold?

Adoros is dying. A catastrophic Void Anomaly has torn open the planet’s surface, warping reality and unleashing forces no one fully understands. You are a Cube Crusader sent to crush the Anomaly, at any cost.

Slay. Loot. Sell. Survive! Dive into a first-person blend of hack'n'slash roguelike and shop management. Plunder deadly dungeons for loot, escape with your life, craft, and stock your shelves. Then risk it all once more for profit!

A collaborative exploration and survival game for 1-10 players, set in a procedurally generated afterlife inspired by Viking culture. Battle, build, and conquer your way to a saga worthy of Odin’s patronage!

『UNBOUND PROVIDENCE』はレトロな3Dダンジョン探索アクションRPG。鉱山から繋がった未知の迷宮を探索しよう！

Open world zombie survival Coop game with base building, looting, crafting, vehicles, and exploration.

An incremental auto battler dungeon crawler where you build a synergized hero party to slay enemies and loot items. Unlock weapons with unique attack styles. Gear up your hero team and explore new dungeon rooms filled with enemies and legendary drops.

Gladio Mori is a physics-driven gladiator fighting game with no health bars. Stab on arteries, pierce vital organs and cut off limbs. Build your own movesets, paint your fighter and battle friends online with cross-play.

Sublight is a space bullet heaven roguelike, where you captain a powerful warship and carve through escalating waves of enemies. Upgrade your arsenal, unlock new ships, and experiment with countless builds to dominate the battlefield.

On RuneScape's forgotten continent of Ashenfall, dragons have awoken. Gather, build, skill and craft in this co-operative survival adventure. Only by mastering survival and uncovering ancient secrets can you hope to face the ferocious Dragon Queen.

Embark on your creative journey of vehicle design, as you create and operate vehicles to survive this dangerous open world. Anymaker is a detailed and technical vehicle builder and survival game. Design your chassis, build your engine, connect components, and travel into the unknown.

CONVRGENCE is an atmospheric VR extraction shooter set in the procedurally generated, ever-changing Chernokamensk Anomaly Zone. Scavenge loot, fight bandits and hunt for mystical artifacts — all with your loyal dog companion by your side. But extract before nightfall, or face what lurks in the dark.

Special Force Returns! A classic team-based FPS bringing elite special forces from around the world together. Fast movement, impactful gunplay, and round-based tactical equipment create unpredictable battles where teamwork leads to victory.

A first-person, turn-based dark fantasy dungeon crawler inspired by six ancient mythologies. Create your character, master spells, craft and enchant equipment, recruit followers, and battle gods, monsters, and the undead across 60 handcrafted dungeons.

Think fast, kill faster. Blast through shifting alien hellscapes in this roguelite platform-twin stick shooter, switching between Soldier precision and demonic destruction. Survive relentless hordes, brutal bosses, and endless roguelite chaos.

Race through the streets in this third-person action runner, dodging obstacles or shooting them out of your way. Collect points, purchase powerful upgrades, and optimize your run to beat your high score. Can you make it to the top of the leaderboard?

Join dangerous raids for loot or intense PvP battles in this new realistic military shooter set in a fractured multiverse. Fight in the quantum unstable zones over control of the active matter – the substance that bends time and space.

Zone Sweeper is a fast RPG of short runs, hand-picked stats, and levels that explode in a single fight. Sweep a risk-colored zone grid, auto-battle with crits and combos, gear up across 11 slots, and research in the Lab between runs.

High intensity co-op roguelite space adventure party game for 2–4 players (or bots). Take on crew jobs, keep a failing ship alive, and survive procedural missions with endless exploration, light RPG progression, and real-time crisis gameplay.

Start with one bullet. End with hundreds. Crystalyn is a fast-paced top-down bullet-hell looter shooter about pushing your build to its absolute limits. Fight monsters, defeat bosses, and turn their loot into unstoppable firepower.

Manage your own anime shop 🎌. Play solo or team up with friends 🤝 in 4-player co-op mode to grow your business 📈 Stock shelves with manga, figures, and collectible cards in this immersive first-person game 🕹️.

Program a crew of tiny robots to turn a frozen planet into a living world. Connect visual code blocks, automate crafting, and build a workforce that fuels itself. Keep the heat flowing, refine your machines, and watch your ideas come to life.

Fight endless machine hordes, salvage scrap, build powerful weapon combinations, and survive in this fast-paced mech survivor roguelite.

Play a major role in an evolving simulation of simulations. Explore endless 2D and 3D dimensions spanning nearly every game genre, with 50+ experimental prototypes and stories whose worlds, systems, discoveries, and ideas can become part of the greater experience.

A sci-fi 80s retro shooter and bullet hell. Use your plasma cannon and bombs to repell an alien invasion. Either defeat the alien robots building and upgrading the blocks and turrets - or blow all of their blocks up! 20 straightforward levels.

By day, you run a DVD store in 2012 New York. By night, you’re a ruthless assassin. BLACKWOOD is a cinematic third-person shooter with grounded melee combat, brutal takedowns, responsive gunplay, and a double life to manage.

In this epic Norse myth-inspired roguelike dungeon crawler, wield divine power to challenge Loki and uncover the secrets of the Nine Realms through the branches of Yggdrasil. Grow stronger and reshape Ragnarok’s fate with legendary weapons of the gods.

Command automated military defenses, upgrade your fortress, and survive massive zombie waves in this action-packed idle defense game. Build powerful defenses, unlock upgrades, and hold the line against endless undead hordes.

A Turn based RPG with a focus on team building and character development. Explore the Fractured Universe, and what life would be like if the multiverse was destroyed. Featured various art styles and aesthetics.

Defend humanity's first Mars colony in this fast-paced modern arcade space shooter. Battle asteroid storms, hostile UFOs, complete challenging missions, and master skill-based gameplay inspired by the golden age of arcade classics.

Behind every great victory is someone who got the roles right. Forge five adventurers, arm them, plot out their talents, build the party — then send them into twelve dungeons and find out whether you saw it coming.

Survival is optional, rent is mandatory. Team up in Dead Margin, a brutal 1-4 player co-op horror. Whisper to survive, avoid anomalies, and scavenge scraps. Sell it to pay the greedy customer. Out here, everything has a price. Especially you.

Build and automate a lunar colony that Earth depends on. Mine regolith, run conveyor-and-drone factories above and below the surface, manage colonists, trade with rival Earth factions — and play a story campaign with multiple endings.

Open-world MMORPG with strategic point-capture battles. Form your team, fight other players, and dominate the map. Join events, level up your character, and enjoy a competitive online experience.

Welcome to UMAN - Become a cog in the machine - Work, sleep and don't ask questions - Collect your trash, hit your quota, consume, upgrade and meet your coworkers. But whatever you do... don't look into the eyes.

A visual Idle RPG where you hunt creatures for rare loot, enchant your equipment, and build your hero. Master 11 skills, trade with merchants, and progress even offline. No Microtransactions, No P2W, just pure idle fun.

Cultivation blends sect management, character growth and top-down room combat. Recruit disciples, hatch spirit beasts, craft pills and artifacts, explore randomized trials, and plan every breakthrough within a finite lifespan as your sect rises from Qi Refining to Spirit Transformation.

Lead a cat in a tactical roguelike auto-battler! Fight your way through 4 dangerous biomes, combine 200+ items to create powerful synergies, and unlock passive abilities. Unravel the mystery of the portal, defeat unique bosses, and save the feline world from the encroaching evil!

After years in prison, you return to a dark megacity ruled by a ruthless corporation. The only way forward is up - through countless floors of a heavily guarded skyscraper - to reach the corporation's leader and take your revenge.

THE STANDALONE SEQUEL OF THE BRAZILIAN BOOMER SHOOTER GAME MADE USING THE ID TECH 2 ENGINE! SHOOT, JUMP, DOUBLE JUMP AND DASH! EMBARK ON A JOURNEY THROUGHOUT THE STATE OF RIO DE JANEIRO, SÃO PAULO, SALVADOR, HELL AND EVEN HEAVEN! SAVE BRAZIL!

《Rivet of Y》是一款回合制角色扮演游戏，玩家通过稳固防线、积蓄力量并在关键时刻集中突破，在强调固定节奏与穿透压力的单人流程中体验以结构掌控为核心的回合制玩法。

A game within a game. In this entirely new kind of simulation RPG, become a guild master, develop your town, recruit guild members, and conquer dungeons. Every decision you make becomes your own chronicle.

Build twisting mazes with tetromino blocks and deploy unique towers in this strategic roguelite tower defense adventure!

Run, jump, climb, glide, fly - or just fall in a way that somehow works. Doesn't matter how, just keep moving through this maze. How high do you have to climb to get out?

Return to the legendary world of Zu Online - a martial arts MMORPG reborn. Explore ancient skies, master cultivation, and battle for immortality in a world inspired by Chinese mythology.

RPG System is an indie system created to enhance your tabletop RPG sessions with friends. Create characters, roll dice, manage tactical turn-based combat, and bring your own stories to life on a cooperative online virtual tabletop for up to five players.

POWDR is a high performance interactive particle sandbox featuring realistic fluids, sands, solids, interactions, and more! Every pixel is simulated. Every material interacts. Every experiment can become a catastrophe.

Lead your people to victory on an ever-evolving world in this strategy game featuring asymmetric factions led by powerful heroes. Build your empire, wield political influence, and raise grand armies to wage war in a race to uncover dark secrets buried within the planet.

Dive into Fatal Claw, a Metroidvania game in vibrant 2D artwork. Explore the arcane underworld your way with Kisha. Your ultimate goal is to find the key to the surface world alongside other survivors, while vanquishing infected enemies and absorbing their power. Start your clawsome adventure now!

In real-time action games controlled by mouse and keyboard, players defeat enemies to level up and learn skills, collect equipment to enhance their strength, and complete objectives within levels. After defeating all bosses, they can successfully save the world and complete the game.

A cute and chaotic action roguelike bullet hell packed with RNG loot, powerful builds, animated 3D enemies, and epic boss fights! Collect, upgrade, and combine hundreds of items and abilities to become ridiculously OP.

Mine by day, defend by night. Master 25+ spells, sell rare ores for gear upgrades, and grow stronger each run in this procedurally generated roguelite tower defense. Enjoy full controller and Steam Deck support.

Find yourself at arms with the strongest forces the Order of Elysium can muster. Lopem is a fast-paced 2D card‑merging roguelite where imagination and technical know‑how are your keys to survival in a magical realm shaped by corruption and enigma.

A massively multiplayer real-time strategy game pitting hundreds of players against one another. Over one million nuke each other every month.

Waterjacked! is a turn-based roguelike where you are a gunslinging succulent chosen to wield the GRID. Uncover destructive combos and develop clever strategies from an assortment of Modules, Augments, and Herbals to push back the invading robots from The Valley.

ASCEND and claim your rightful place as the Hand of the Empress. Become AB3, an immortal super soldier, in this action packed first-person shooter that combines old school style with new era gunplay.

Set sail on a voyage full of pirates, dark magic, and the thrill of discovery! Draco and the Seven Scales is a retro-inspired adventure that harkens back to an age of top down dungeon crawlers and lovable, crunchy pixel art.

Sunken Realms is a focused, ARPG dungeon crawler with rogue-lite elements, about a son searching for answers. Descend into an abandoned underground city, battle monsters, craft new gear, and master forgotten spells. Get stronger. Go deeper. Find the truth.

CELLS is a calm sci-fi trading game about goods, routes and decisions. Explore new worlds, build trade chains, mine resources and uncover the story of a broken network between the worlds.

A cozy idle game about vibe-coding with AI. Hire a crew of agents, climb a five-branch upgrade tree, and dress the whole lab from 80 cosmetics across five tiers. Progress lands in minutes, not days — no subscriptions, no daily check-in. Numbers go up, vibes stay immaculate.

SAS is an Open World Multiplayer PVP and CO-OP Survival Game. Set in a vast environment that features Building, Crafting, Taming, Riding, Flying and Exploring Wildlife, Dinos and Dragons as well as Horrific Creatures and Instances with the ability to Morph into Spirit Animals.

Starwalker is a space-exploration survival rpg focused on surviving a massive alien invasion on planet Earth. You'll be able to explore the solar system and beyond. You are the last human standing - ready to start a new life.

A dark, text-and-pixel monster-breeding sim. Hatch abominations, train them with a TRPG card hand, and send them off to the surface for good. Stats and Traits inherit down two separate bloodlines, so every generation is a deliberate choice, not a reroll.

The protagonist, the demon hunter, awakens the special power of a hunter to stand against the human and elf allied forces attacking his demons, inheriting the bow of the previous demon hunter and confronting the enemy.

Open your own local game store. Stock shelves with the latest booster packs, or crack them and collect the cards for yourself. Set your own prices, hire staff, host events, and expand your card shop.