Muspell

(19/04/2020)

• Action
• Casual
• Arcade
• Early-Access
• Co-op
• Indie
• Remote-Play

Muspell is a fantasy sandbox where you build your fortress and fight monsters in an infinite procedural world made of blocks. Collect loot and improve your base to unlock better equipment from random daily merchants.

Mussoumano: Ataque dos Haters

(08/04/2018)

• Adventure
• Action-Adventure
• Early-Access
• Platformer
• PvP

Mussoumano Attack of the Haters is a 2.5D action platform game inspired by the classics of the 90s with different worlds, levels, boss battles, game mechanics and 3D graphics powered by the incredible Unreal Engine.

Must Dash Amigos

(22/07/2019)

• Action
• Arcade
• PvP
• Remote-Play

A Loco-Multiplayer Battle Racer packed with piñatas and family-friendly mayhem for up to 4 Players! Blaze past your rivals in Race Mode or dish out the damage in Battle Mode! You can't just run, you Must Dash Amigos!

MUST FLEE

(06/12/2022)

• Action
• Adventure
• Action-Adventure
• Indie

An unknown place, an unknown secret base and an unknown robot from another planet! What does he want? What are you looking for inside the base? Will it be destroyed or will it be able to flee? Play in third person with an alien robot who has infiltrated a secret military installation.

M.U.S.T. Repeat

(04/08/2020)

• Puzzle
• Indie

M.U.S.T. Repeat is a logical puzzle game in which tiny robot Q.T. uses the Repeat mechanic to navigate the rooms and defeat enemies. The higher the Repeat is, the more difficult it is to navigate through the room, but you have to increase your Repeat in order to defeat the higher level Guard Bots.

Mustache in Hell

(27/07/2016)

• Adventure

A trip to hell. Hordes of demons. Big guns. Insane combat encounters. Pixel art mustaches. It's going to be a long day for Officer John Mustache.

Mustache or Revenge

(06/11/2019)

• Platformer

Do not let fiend steal your mustaches! It is challenging platformer taking you to the adventure through dangerous dungeons filled with ingenious traps.

MUSYNX

(03/12/2018)

• Action
• Casual
• Singleplayer
• Arcade
• FPS
• Indie
• Racing

Indie rhythm game MUSYNX now on STEAM! Real "KEY" Sound System, Classic Gameplay, Unique Visual Themes and Constant Music Updates! MUSYNX is waiting for you!

Mutable 50

(24/08/2024)

• Action
• Indie

Explore a 50-floor dungeon crawling with countless monsters. Collect items and use your special stealth abilities to reach the deepest part of the labyrinth.

Mutagen Extinction

(20/02/2019)

• Adventure
• RPG
• Simulation
• Indie

Live unlimited adventures with your friends in an incredibly beautiful and extensive world, build your future and unravel the ancient arcane arts of the elderly, defend your home from mutated creatures and other survivors.

Mutagenic

(08/08/2022)

• Action
• Casual
• Singleplayer
• Arcade
• RPG
• Simulation
• Early-Access
• Survival
• Action-Rpg
• Sandbox

Mutagenic: A mashup of ARPG and Survivor gameplay, bridging the best of both genres. With unrivaled depth to character customization, Mutagenic has the depth of high-budget ARPG games with the simplified controls of a Survivor-style game. Can you craft a build to outdo everyone else?

Mutant

(23/01/2022)

• Action
• Adventure
• Action-Adventure
• Shooter
• Beat-em-up

-15 Huge Levels. -Nine Mutant Special Abilities. -Hold Up To Four Guns At Once. -Beat Your Enemy With Crates, Barrels, Or Cars.

Mutant Alley: Do The Dinosaur

(10/03/2021)

Mutant Alley is a gay first-person sex simulation. You are going to interact with one of their most talented soldier's: The anthropomorphic T-Rex.

Mutant Boxing League VR

(04/04/2024)

• Singleplayer
• Arcade
• Sports
• VR
• Fighting
• Indie

Welcome to Mutant Boxing League, a single-player VR game built to make your daily workout something fun and challenging. Every opponent has a different style and a trick up their sleeve, so you need to punch, jab, block, dodge and slip to become an unstoppable boxing champion. 

Mutant College

(19/01/2025)

In a world where 0.003% of the global population possesses mutant powers, attending a college for superheroes could be the opportunity of a lifetime—will you seize it? Mutant College is an adult visual novel that will immerse you in unique, thrilling, and engaging erotic experiences!

Mutant Crisis

(04/09/2024)

• Multi-player
• Shooter
• Co-op

If you like to fight zombies purely, and hope to have talents and attribute growth, be able to unlock epic weapons for free that previously required a recharge of $3888 in krypton gold games, and be able to cooperate with friends online to challenge BOSS, then don't miss this game.

Mutant Fighting Cup 2

(14/02/2017)

• Action
• RPG
• Simulation
• Fighting
• Indie

Evolve, mutate and train your monsters to win the monster championship in hard brutal turn-based strategy battles!

Mutant Fish

(07/10/2024)

• Arcade
• Early-Access
• Survival

Bite, shoot, dash, survive

Mutant Football League

(30/10/2017)

• Arcade
• Multi-player
• Co-op
• Sports
• Indie
• Remote-Play

Mutants and monsters unleash maniacal carnage on the gridiron in this crazy gore fest of arcade-style football. Packed full of humor, intense online multiplayer action, and strategy.

Mutant Football League 2

(30/05/2024)

• Action
• Casual
• Arcade
• PvP
• Sports
• Remote-Play

Mutant Football League 2 is a hard-hitting, arcade-style football game that combines intense gameplay, wisecracking mutants, weapons, deep strategy, and outrageous humor. Prepare yourself for the most insanely brutal football you’ll ever experience.

Mutant Frog

(26/01/2024)

• Action
• Adventure
• Casual
• Indie

As a result of an unknown meteorite hitting an unknown planet, a poisonous gas began to spread on the planet. This gas began to mutate animals on the planet.

Mutant Gate

(13/12/2015)

• Action
• Singleplayer
• Arcade
• Shooter
• Indie

After years in cryoprison, Dr. Green awakens on a mutant-infested Earth colony. Seeking redemption and his estranged daughter Anna, he battles through a ravaged planet in a 4-hour campaign of intense combat, encounters, and adventure. Mutant Gate has hybrid tile/ASCII visuals & Steam Deck support.

Mutant Legion

(06/11/2024)

• Action
• Shooter
• Indie

Mutant Legion is a charming but brutal top down shooter: Play as a mercenary on a mission to defeat all enemies, get paid and ultimately get out alive. Pick up and discover various weaponry, secrets and the path to victory.

Mutant Meltdown

(08/09/2022)

• RPG
• Simulation
• Survival
• Building
• Sandbox
• 4X

Mutant Meltdown is a survival RPG that takes place in a post-apocalyptic world in which you get to manage a group of survivors to fight for their life, level up their skills, help fight off different breeds of mutants, build and upgrade your camp, face hordes of mutants and much more!

Mutant Monster Invasion

(09/02/2024)

• Casual
• Strategy
• Building

A classic tower defense game, ready to build dozens of turrets and use dozens of magic to destroy monsters?

Mutant Monty (C64/CPC/Spectrum)

(04/01/2023)

• Action
• Puzzle

In this surreal game, released in 1984 for home computers by Artic Computing, dodge dangerous enemies and collect gold across 40 fiendishly difficult levels. Levels include such bizarre environments as the Pit of Eternal Slime, the inside of a neutron accelerator, and the desolate wastes of Pithor.

Mutant Mudds Deluxe

(20/11/2013)

Love pixels? Fond of platformers? Is there a special place in your heart for the 8-bit and 16-bit era? Want to have fun? Yes!? Well, you’ve come to the right place, my friend. Mutant Mudds Deluxe is a “12-bit” action platformer full of pixels and platforming fun!

Mutant Mudds Super Challenge

(25/07/2016)

• Action
• Adventure
• Remote-Play

Here comes a challenge! Mutant Mudds Super Challenge!! Over 40 levels filled with malicious mutant mudds. This adventure is designed for super players; featuring a host of new platforming challenges and unique boss fights that will test your skills.

Mutant Storm: Reloaded

(20/03/2012)

• Indie
• Remote-Play

Mutant Storm progresses over 89 levels of twin-stick shooter mayhem! As you get deeper, you are ever more overcrowded with nasty beasties. This carnival of frenetic fun is showcased in a cutting edge graphics extravaganza.Viewed from well above, you and your enemies can always be seen. Always be killed, and always be laughed at!

Mutants (C64/Amstrad/Spectrum)

(28/06/2023)

• Action
• Shooter

In this unique top-down shooter, originally released in 1987, take on the role of a lone pilot of a scout ship fighting to eliminate the threat of the Macro-Genetic-Mutoids, bio-engineered organisms that threaten to destroy mankind.

Mutants: Genesis

(09/05/2023)

• Singleplayer
• Strategy
• Early-Access
• PvP
• Card-Game

Mutants: Genesis is an online card game that you can play solo or with up to 3 players in PvE and PvP modes! Join the next generation of Psycogs and climb the ranks to establish yourself as Champion! Collect hundreds of mutants, fashion your own deck, cooperate with or fight other players!

Mutated Muter's Invasion

(12/04/2021)

• Action
• Casual

A fun platformer adventure game about a music note fighting mobs and collecting power-ups and other items (with a couple side-scrolling shooter levels). Neutralize the evil Mutated Muter, a magical monster from the outer space who wants to steal all the music from the world!

Mutation

(28/01/2025)

• Survival
• Action-Rpg
• FPS

Trapped in a laboratory, something hunts you, constantly mutating. Will you be able to save yourself?

Mutation Madness

(30/11/2023)

• Action
• Casual
• Arcade
• Shooter
• Survival
• Indie

Welcome to the World of Mutation Madness, where chaos reigns, viruses evolve, and survival is the ultimate challenge!💥Defeat waves of mutating viruses and save Cell City from the Madvirus outbreak!🦠🔫 Upgrade your gun and use powerful items, while discovering virus intel!🧪

Mutation Mayhem

(11/06/2018)

• Casual
• Indie
• Remote-Play

Mutation Mayhem is an evolution-based battle royale that pits you and your friends against each other in an arena full of dangerous enemies and environments. Defeat them and gain their body parts for new abilities!

MUTATION PHASE

(04/10/2018)

• Action
• Early-Access
• FPS
• Indie

MUTATION PHASE is a horror-shooter with a first-person view, which narrates the consequences of experiments with sound waves. You have to survive among hordes of mutants and get out of the danger zone.

Mutational Loading

(02/03/2025)

In this experimental singleplayer 3D horror game, a man struggles with adopting a familiar child off the street while outrunning the consequences of an agreement he made with his nightmarish stalker.

Mutazione

(18/09/2019)

• Adventure
• Singleplayer
• Remote-Play

A mutant soap opera where small-town gossip meets the supernatural. Explore the Mutazione community as Kai as she cares for her ailing grandfather. Discover magical gardens, new friends & old secrets. They can survive an apocalyptic meteor strike, but can they survive their small-town drama?

Mute Crimson+

(12/08/2015)

• Action
• Adventure
• Singleplayer
• Action-Adventure
• Arcade
• Platformer
• Indie
• Remote-Play

Be a ninja and go on an action platforming adventure to save the world. Climb walls, slice up bad guys, master tricky platforming sequences and face ruthless bosses.

Mutland

(19/12/2018)

• Action
• Indie

This is a new pixel style survival game. Players need to elude zombies, grow crops, harvest trees/rocks, hunt animals, gather food/drink, craft knife/axe/torch/food/medicine… Above all things, only one purpose, live!

Mutrix

(19/06/2023)

• Action
• Casual
• Singleplayer
• PvP
• Co-op
• Sports

Mutrix is a music movement VR game, in which players need to use a lightsaber to slash flying notes, the greater the movement, the higher the score. The game library is rich, covering a variety of styles of music. Let's rhythm together!

Mutropolis

(17/02/2021)

• Adventure
• Singleplayer
• Puzzle

MUTROPOLIS is a lovely sci-fi adventure set on the abandoned Planet Earth. Play as Henry Dijon (hero, nerd, detective) in search of a legendary lost city. Uncover weird ancient artifacts. And PLEASE don’t get obliterated by an ageless evil. You’ve been warned.

Mutual Assured Destruction Simulator

(24/10/2024)

A short and surreal dark comedy-horror narrative game.

Mutus Meteora

(17/07/2023)

• Adventure
• Casual

Mutus Meteora is a Ground-breaking fusion of art and gaming, offering an innovative experience where you explore an art gallery as though immersed in Top Down perspective. Experiencing a digital exhibition slightly different from the usual approach.

Muv-Luv (マブラヴ)

(27/02/2018)

• Adventure
• Casual
• Singleplayer

One of the most highly-acclaimed visual novel series arrives on Steam, newly revamped and officially in English! An interdimensional love story that takes high school romance on a roller-coaster ride through the depths of despair, culminating in a sci-fi grand finale of epic proportions.

Muv-Luv Alternative (マブラヴ オルタネイティヴ)

(27/02/2018)

• Adventure
• Casual
• Singleplayer

Playtime's over. Time for despair. Experience the definitive version of a masterpiece in the Muv-Luv trilogy's thrilling conclusion. Note: therapy not included.

Muv-Luv Alternative Total Eclipse Remastered

(19/07/2022)

• Adventure
• Casual
• Singleplayer

As mankind races to create new weapons to turn the tide in its war against alien invaders, Yuuya, a hot-headed American pilot, is assigned to work with a beautiful but cold Japanese officer on a top-secret project. Can they learn to work together in time to make the weapon that saves us all?

Muv-Luv photonflowers*

(01/08/2019)

• Adventure
• Casual
• Singleplayer

It's the best of both worlds! Jam-packed with twelve tales that expand upon the Muv-Luv multiverse, this compilation is sure to satisfy that series sweet tooth!

Muv-Luv photonmelodies♮

(28/07/2020)

• Adventure
• Casual
• Singleplayer

Fall in Luv all over again! Familiar faces and worlds collide in three massive new adventures, including the long-awaited follow-up to Muv-Luv Alternative!

MUZY

(12/02/2024)

• Action
• Adventure
• Singleplayer
• Action-Adventure
• Puzzle

Explore the mystery behind a once-loved and hugely popular children's toy, also known as MUZY, in this terrifying horror adventure game. Several reports detail frightening incidents connected to accidents. Your job is to solve the puzzles and find the cause of these unsettling occurrences.