Top similar games like Active Matter:

Backrooms: Liminal Conflict is a PvP game featuring different factions, a complex multi-layered map, and multiple paths to escape.

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?

P.E.P Is an online game set in a zombie filled coastal United States City with Single Player, Co-Op, and up to 8 Player PvEvP, featuring classic and unique game modes filled with zombie, creature, and human mayhem.

UFOBIA is a cooperative horror game for 1 to 4 players who need to solve puzzles and face beings from another planet.

A three-player cooperative first-person shooter set within a mysterious federal agency under assault by otherworldly forces.

A free to play multiplayer survival horror game with a unique damage system. One bullet can be game over if not treated properly, and you must be willing to lose an arm and a leg to finish your objective.

Multiplayer first-person shooter skibidi toilet game. Get your friends and have fun! Or play by yourself and kick ass of the opposite faction, who am I to tell you what to do?

Survive the chaos of SCP Foundation! Step into a thrilling SCP horror experience with story-driven co-op, intense PvP Breach mode, and randomized maps. Play as Class-D, scientist, SCPs, and more, each role bringing unique challenges in an unpredictable, immersive facility.

「Synapse」is a game based on cooperative play with horror and thrills. Players must cooperate in a dark space to avoid robots, hack into facilities, and escape. The only thing players are given is a sense of helplessness and fear of death.

Join a clandestine team of paranormal investigators working to seal Breaches caused by a mysterious Entity. Use your devices to analyze, understand, and suppress the event while evading detection. It delivers a tense multiplayer experience where teamwork is your lifeline in an ever-shifting reality.

A multiplayer adventure set in the depths of space. Unravel mysteries, strategize for survival, and explore the unknown in this captivating cosmic escapade.

Bloody Forest is an online co-op survival horror game for 1-5 players. You got lost in the forest and you are looking for potential inhabitants or something to repair your car. But what you don't know is that a monster lives here.

Sin Survivor is a wave-based, first-person co-operative or single-player shooter based in a post-apocalyptic world overrun with blood-hungry, satanic demons.

The chaotic multiplayer hide-and-seek game. Possess seemingly harmless objects as Ghosts or chase them down as Hunters before the clock strikes midnight!

Armed militaries are requested to clean an area infested by zombies. On each round you don't now if you will be a zombie or a soldier, so use the skills and items that was given to you and keep alert.

Dive into horror in Entities. Solo or up to 4-player matches offer dynamic puzzles, relentless entities, and extraction shooter mechanics. Investigate, unlock paths, and survive in dangerous zones as a private operator. Master skill and terror. Are you ready to confront the unknown?

NEMESIS DISTRESS is a unique multiplayer Sci-Fi horror experience that aims at creating unforgettable, cinematic moments. Remember – this is NOT a shooter, in Nemesis you are not the hunter. You are the PREY.

Planetary Conflict: 2301 is sci-fi multiplayer third person shooter set in the future, in a war between the Lunar Federation and Planetary Union.

In this genre-bending space shooter, you will be faced with infinite waves of alien attack ships, giant capital ships, many intense races to complete, classic first person shooter modes to play & much more. Do this alone or with friends in multiplayer.

Voidseekers is a 1-4 player co-op horror FPS. Shoot, salvage, and survive as you explore corrupted ships in deep space. Get in, take what you can, and destroy the ship to contain the breach, but beware the horrors that seek in the void.

F.E.A.R. 3 delivers all the hallmarks that define the F.E.A.R. brand: terrifying paranormal experience, frenetic combat and a dramatic storyline.

Become the ultimate shapeshifting predator in Amorphous, a thrilling, tense 4v1 multiplayer game where you'll stop at nothing to consume everything in your path. But beware, the relentless Cleaners are hot on your trail, armed with powerful gear and a determination to eliminate you at all costs.

UPDATE 28 AVAILABLE - Interstellar Marines is an immersive tactical sci-fi First Person Simulator in the making, offering a unique blend of tactical gameplay, dynamic environments and non-scripted AI. Play Singleplayer or Co-op/PvP on servers around the world.

Trapped. Hunted. Running low on ammo. Necrosis: Dawn of Dread is a brutal first-person survival horror game where cooperation is your only hope. Explore a decaying city overrun by the dead. Scavenge supplies, solve deadly puzzles, and fight your way to freedom—with or without your friends.

You are a Bigfoot hunter with an important mission: to put an end to rumours once and for all and prove to yourself that Bigfoot is not just a myth or an invention of the mind...

FROM FEAR is a 1-4 player online co-op survival horror where you choose your fear. Collect resources, unlock new maps and tools, all while trying to stay alive.

Grasp Of Dread is an asymmetrical multiplayer horror game where one player takes on the role of a monster from another world and tries to escape, while the other four players are monster hunters who seek to deal with the undead as soon as possible.