Games like State of Matter

The Moon's haunted - and when an astronaut loses contact with Earth, the adventure begins in full. Fill up your oxygen, load up the guns, and set out on an interstellar FPS adventure across the stars, filled with puzzles, fights, exploration, and strange secrets of the universe.

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.

Echo Point Nova is an open-world FPS that offers unparalleled freedom and thrilling speed. Designed for both singleplayer and coop. From the creators of Severed Steel.

Machinika: Atlas is an indie puzzle game and is the direct sequel to Machinika: Museum, you play as a museum researcher who just land on Atlas. Will you unravel the mysteries of the alien vessel? Solve cryptic puzzles to find out what happened!

Land with your friends on the surface of various planets, gather resources, create items and buildings, defeat enemies and move to other planets to discover their secrets and secrets

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.

Starship Troopers: Extermination is an up to 16-player co-op FPS that puts you on the far-off frontlines of an all-out battle against the Bugs! Squad up, grab your rifle, and do your part as an elite Deep Space Vanguard Trooper to take back planets from the Arachnid threat!

Dr. Herman, your sci-fi journey begins. Armed only with your mind and the Manipulator that operates with different types of energy, you'll have to pass through portals, visit parallel worlds, and solve physics-based puzzles.

SENTRY is an action-defense first person shooter where you defend your spaceship against invading aliens. Plot an escape route through hostile space and battle the enemy across your vessel with the support of traps, turrets and environmental destruction.

S.T.A.L.K.E.R.: Shadow of Chornobyl, the first chapter of the Legends of the Zone Trilogy, which started it all.

La Quimera is a story-driven FPS set in dystopian future Latin America. In a fractured world where microstates rely on mercenary forces, you are an operative caught in a web of lies and deception. Play alone or with up to two friends geared with futuristic weapons, exoskeletons and combat abilities.

The Talos Principle 2 is a thought-provoking first-person puzzle experience that greatly expands on the first game's philosophical themes and stunning environments with increasingly mind-bending challenges.

An attractive puzzle platformer where you use magnetism to escape a factory. Meet a cast of magnet characters and work together to solve logical conundrums.

Pilot devastating combat mechs, fly through massive sci-fi battlefields, unleash tactical nukes, and destroy enemy machines in this fast-paced arcade FPS built for chaos, speed, and domination

Casual & Hard FPS. Be careful with jam.

S.T.A.L.K.E.R.: Call of Prypiat follows the story of special service agent Major Degtyarev as he investigates the fate of a lost expedition.

Enter the Chornobyl Anomalous Zone — a vast open world where anomalies, mutants, and rivals stand in your way. Explore, scavenge, and try to survive in this brutal and dangerous land. Evolving with every update, now overhauled and crowned with UPDATE 2.0.

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.

Explore a decaying industrial world left behind in humanity's never-ending race to conquer the stars. Beneath its iron skies, desperate souls kill and steal for passage to the still-plentiful frontier worlds. Sink or swim in this high-octane first-person shooter with immersive sim elements.

3D platformer with a portal gun! Solve puzzles, exciting levels, become a master of portal travel.

S.T.A.L.K.E.R.: Clear Sky is the prequel chapter of the Legends of the Zone Trilogy. With the ability to directly influence the balance of power through Faction Wars, step into the boots of Scar — a seasoned mercenary, able to somehow survive deadly Emissions.

Contain is a Tactical Co-Op FPS game. Form your squad of four players to fight against the anomalies. Try to "Contain" them where the line between ordinary and extraordinary is blurred.

Battle for survival against endless alien hordes with your friends! The Anacrusis is a first-person shooter that dynamically adjusts difficulty to you. Experience intense 1-4 player co-op action or play as the aliens and stop your friends in 1-8 player Versus mode. Full Steam Workshop support!

迷离是一款氛围感与沉浸感极强的第一人称恐怖解密射击游戏，几年前，一家人误入了一个神秘村落，几年后，这家人相继自杀。你受人委托前去调查这桩诡异迷离的凶案，在凶案地点，这里的煞气压的你喘不过气，并在深入的探索中发现了一个恐怖的真相。

Download VAIL and experience the #1, highest-rated VR shooter, with precision-crafted gunplay, stunning visuals, unparalleled combat, and a constantly expanding world of modes, maps, and community

From Jeppe Carlsen, the lead gameplay designer of LIMBO and INSIDE — COCOON takes you on an adventure across worlds within worlds. Master world-leaping mechanics and solve intricate puzzles to unravel a cosmic mystery.

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.

A short horror game where you control a decaying spacecraft exploring distant star systems.

The RTS/FPS phenomenon has moved into space! Build your base on an asteroid, command fleets of starships for epic battles, pilot fighters, mine and trade resources, assemble robots to defend or assault other stations. Take sole command or share the glory as you fight for control of the quadrant.

Join the persistent open world of OZERSK! Choose your way to play on PvE or PvP servers, fight for precious loot and gear, and risk it all in a hostile environment. Die, lose all your gear and loot, then return to the same server in hopes of retrieving what you lost. This is your story!

You arrive at Mars Site-113, a decaying monument to the SCP Foundation's ambition—and its failures. Once the most secure facility, now a cradle of horrors calling you to uncover its secrets. Face relentless anomalies, humanity's darkest truths, and a mission that demands survival above all else.

A space shooter in which you must defeat alien robots.

SPIDER INFERNO is a single player horror third person shooter game. You have to save the world from the professor and the spiders. In 8 missions + 2 bonus levels you have to prove your skills and win. Don't disappoint us. That's why we make you the savior of humanity!

Get ready for the apocalypse! Shatterline is a high-octane single-player FPS adventure where Earth’s survival hangs in the balance. Pick a unique operator and combat the alien plague!

APP HAS BEEN RETIRED!

Submachine is a hand-drawn puzzle adventure game. You find yourself in a vast network of desolate locations containing puzzles, secrets, notes and items to collect to help you along the way. Follow the story of a banished lighthouse keeper to discover his descent into ruins.

Astrometica is a space exploration and base-building survival game. After a catastrophic event, explore vast space, gather resources, build bases, and uncover cosmic mysteries. Use advanced technology, craft tools, and discover new blueprints to survive and thrive in the unknown.

First-person Ability Shooter with fast-paced action, bosses, and multiple levels. A meteorite crashes, leaving a powerful resource that others are willing to do anything to obtain, alongside a dangerous creature that arrived with the meteorite. It's up to you to stop them and save the world.

In Hollow Space, you are transported to an abandoned space station drifting on the edge of the galaxy. A rescue crew responds to a mysterious SOS signal, only to find that something terrifying lurks in the shadows. Will you dare to face the danger, or will you become the monster yourself?

A first-person story-based puzzle game with an emphasis on subverting your current familiarity to gravity. The perfect game for those that enjoy interesting twists and unique puzzle elements.

Kill Invaders - Dive into a thrilling multiplayer FPS with an alien storyline. Defend Earth in a battle against extraterrestrial invaders! Single Player, Multiplayer, Deathmatch and Battle Royale Modes !

Mind controlled cows are headed straight for you. Scavenge, barricade, and defend as long as you can. How long will you survive the dairy onslaught?

A completely self-contained portable version of one of the highest user-rated games. Built on an entirely new engine with new UI, support for Steam Deck, & more. Features world-bending puzzles, intriguing denizens, surreal environments, and a captivating story about the truth of the game's reality.

Welcome to our online first-person shooter that combines fast-paced combat and roguelike upgrades. Choose from 4 base suits each with their unique flair. Improvise. Adapt. Overcome your opponents and teammates alike.

Explore over 40 interconnected levels, evade over 20 unique entities, solve puzzles, manage scarce resources, and survive a nonlinear backrooms horror experience with multiple routes, and extreme replayability.

Break the laws of entropy in Denbora and jump through time to solve complex temporal puzzles. Can you defeat Dirua and the challenges it will put you through?

Abiotic Factor is a survival crafting experience for 1-6 players set in the depths of an underground research facility. Caught between paranormal containment failure, a military crusade, and chaos from a dozen realms, the world’s greatest minds must survive against the universe’s biggest threats.

You awaken in a bunker, at the bottom of an unknown pit, where each floor brings waves of alien enemies and a single purpose: to test you. Who are you? Why are you here? Move forward, survive, and uncover the secrets buried deep within.

Welcome to the asteroid belt. The work is dangerous, the asteroids are temporary, and Earth is prohibitively expensive. Build automated mining operations, complete contracts, and earn your way back home.

Build physically simulated rovers to transport awkwardly shaped cargo across the rugged terrain of Mars. Earn funds, unlock new parts, and use your ingenuity to help the Martians establish a new home. Playable solo or in online co-op!

Sid Meier's Alpha Centauri™ Planetary Pack includes the original Alpha Centauri and the expansion, Alien Crossfire.

Explore a dense, interconnected labyrinth, and unravel its many secrets. Collect items to manipulate your environment in surprising and meaningful ways. Encounter beautiful and unsettling creatures, as you attempt to survive what lurks in the dark. There is more than what you see.

Explore the mysterious, beautiful, yet dark world of the Chornobyl Exclusion Zone in this post-apocalyptic action-RPG. Make your mark on this world, through your character development, choices and playstyle. But remember – everything has a price and consequences.

An asteroid is hurtling toward the planet! Sneak, scavenge and blast your way through an immersive prehistoric world filled with Humans, Dinosaurs, Droids and Mother Nature’s fury!

Experience the first-ever open world Star Wars™ game and explore distinct locations across the galaxy, both iconic and new. Risk it all as scoundrel Kay Vess, seeking freedom and the means to start a new life.

Step into a world over run with Mycha, a strange mineral with seemingly magical powers. Clear monster-infested environments and protect researchers on your own or with up to three other players online. Welcome to The Federation.

Tactical, beautiful, and wholly unique, the GOTY-winning sci-fi RTS returns with Homeworld 3. Assume control and battle through fleet combat in dazzling, fully 3D space while the award-winning story unfolds on a galactic scale.

‘Station to Station’ is a minimalist & relaxing game about building railway connections. Grab your conductor’s hat and bring the voxel-art world to life through the magic of trains!

KILLMAGE is a fast-paced arena shooter with the hordes of the Immortal closing in on you. The Sound rings into the night, don't stop, kill them all.

BlockStar VR is a VR shooter where you put your reflexes to the test by shooting blocks and completing challenges in an action-packed futuristic tournament. Play the 40-mission story mode and show that you have what it takes to flex on the leaderboard!

Stranded on a barren moon with nothing but your tools, fuelless ship, and celestial powers of creation, you are destined to recreate what was once lost and be the hero of your own Little Universe! Don't forget to call in up to three of your friends to join your journey in the Splitscreen Co-op Mode!

They glow in the dark and they are coming to get you. You’ll need to endure the relentless waves of upcoming glowies. Can you survive the night and get them before they get you?

An online co-op horror game with up to 6 players. Locate valuable, fully physics-based objects and handle them with care as you retrieve and extract to satisfy your creator's desires.

Rethink human’s dominion in The Invincible: a story-driven adventure set in a hard sci-fi world by Stanisław Lem. Discover planet Regis III as scientist Yasna, use atompunk tools looking for a missing crew and face unforeseen threats. Make choices in a philosophical story that’s driven by science.

On a future post-apocalyptic Earth, build, craft, and loot other players’ bases to survive long enough to board the rocket and escape the dangerous robots and mercenaries that inhabit Ararat Island. Manipulate the weather and use earthquakes to change when the server wipe occurs in DYSTERRA!

Tactical extraction shooter meets immersive survival horror. Play as rival mercenaries fighting for loot, or as alien monsters hunting humans from the shadows. Solo or with friends, experience this unique dark take on asymmetrical PvPvE multiplayer.

A space survival open world terraforming crafting game, designed for 1 to 10 players. Alter the ecosystem of an inhospitable planet to render it habitable for humanity. Survive, gather resources, and build your base. Then, generate oxygen, warmth, and pressure to create a brand new biosphere.

Venture together with your friends on an unknown planet. Use color switching, match-3 shooting, and artifact powers to overcome challenges and keep advancing. What lies ahead of you is an adventure filled with wonder, hope, and much more to discover!

You have lost most of your memories after parabiosis. You will have to learn how to use your new abilities to figure out everything happening around you. Will you be able to adapt? Be sure to read “About the Game” before purchasing 👽

The classic puzzle game with modern quality-of-life improvements and features! Enjoy High Scores, Intuitive and Convenient Controls, Alternate Game Rules, Infinite Game Boards, and Deeply Customizable Appearance!

SteamWorld Build is a casual city-building and dungeon-management cross-over set in the SteamWorld Universe, where you build and manage a town on a dying planet. You'll need to balance resources, construction, and exploration to its depths to ensure your town's survival and eventual escape.

A single-player 2D top-down pixel game with space physics. Mine asteroids in the middle of an asteroid field using manual controls or by directing mining drones. Protect the outpost, buy from trading ships, mine as much ore as you can and survive as long as possible! Do you have what it takes?