Top similar games like Biohazard Protocol:

Explore the apocalypse of Dead End with friends in this dark and violent cooperative adventure.

“COLLAPSE COMPANY” is a round-based roguelike action FPS for 1–4 players exploring shifting underground dungeons. Your goal is to activate the deep Particle Acceleration Reactor and escape before time runs out. Gather resources, upgrade gear, and push into riskier zones.

Chambered is a 4-player online co-op adventure where you and your friends are trapped inside a chaotic maze of cube chambers. Work together, avoid deadly traps, use strange items, and try to make it out alive.

The post-apocalypse. When some are trying to survive in a new world, others join the detective agency "Peace Dice", which searches for evidence of mutants. Go on a raid and don't come back empty-handed!

PEAK is a co-op climbing game where the slightest mistake can spell your doom. Either solo or as a group of lost nature scouts, your only hope of rescue from a mysterious island is to scale the mountain at its center. Do you have what it takes to reach the PEAK?

A raccoon co-op horror extraction game. Infiltrate procedural ruins, loot everything and extract the relic. Mammon, the Greed Demon, is watching… Stay away from his curse!

Film your friends doing scary things to become SpöökTube famous! (strongly advised to not go alone)

An online co-op horror game where you and your crew hunt monsters inside a massive WALKER. Use your environment, items, or anything at your disposal to protect your WALKER.

A 1-4 player coop horror experience. Find your way through everchanging environments to gather precious treasures for your kidnappers. The more you gather the longer you will survive.

Subterranauts is a 1-6 player multiplayer horror game with proximity voice chat and terrifying creatures. Your job is to complete assignments by gathering scrap for the Association of Scrap Allocation. Work together with your team to complete assignments, earn company Bucks, and survive!

A co-op horror where you must retrieve specimens before sunrise, as solar radiation twists animals and humans into terrifying mutations.

A 1-6 player co-op survival horror game set in a supernatural nuclear apocalypse. Drop into abandoned cities to extract radioactive artifacts while being hunted by bug-like abominations. Rebuild your decaying body with prosthetic limbs, arm yourself, and radio your friends for help.

Haunt & Hide is an online multiplayer horror where hiders disguise themselves as props in a cursed mansion and seekers hunt them down. 4–8 players, one haunted house, and a very real fear of furniture. Bring friends. Trust nothing.

A co-op horror adventure set in a fantasy world where up to 4 players explore procedurally generated castles and dungeons, scavenging treasures for the King. Beware of traps, and what else might lurk in the shadows.

A late-90s retro 3D horror where you feed the Biomass Core to escape. No keys. No doors.

SYNDYX is a co-op horror for 1-4 players. Ride an armed train together, maintain its systems, and gather resources. Loot stations, avoid the monsters, and reach the surface!

A co-op extraction horror for 1-4 players where you survive nuclear wastelands on a train. Scavenge scrap for fuel and supplies, and use voice mechanics to stay alive.

Dive with up to four players into the Depths. DELVERS is a first-person PvE co-op adventure set in a dark fantasy world with a distinct retro pixelated visual style, featuring procedurally generated dungeons that reshape themselves every time you enter.

An arcade-style obstacle-dodger set in a satirical mega-warehouse. Sprint, juke, and react fast through randomized chunk layouts, semitrucks, falling boxes, and other mayhem. All in the name of Shareholder Value!

An online co-op horror game with up to 6 players. Collect potions and spells, use them wisely against enemies for protection or fun.

A co-op horror rescue game for 2-4 players. Locate injured hikers in dangerous forests and carry them with your friends to the rescue point before you get eaten.

Goodbye Dr. Sanchez is a first person two player coop horror game where you must escape from the evil Dr. Sanchez’s imprisonment. Explore Sanchez’s domains. Avoid traps and other perils. Communicate with your partner and provide them useful information in order to survive.

A 4v1 asymmetrical horror where survivors escape by solving shifting puzzles. Use always-on proximity voice to manage sanity, but speak too loudly and the monster will find you.

An online asymmetrical co-op game where you and your team must prevent your opponents from stealing your resources and extracting from the area.

PEAK: Escape from Hell challenges four friends to climb through seven deadly layers of hell. Prove your courage, skill, and teamwork in this co-op horror climbing adventure.

Investigate and localize abnormal activities in this 1-4 players survival horror game. Find your way to various locations where something odd is happening, while trying hard to keep your crew alive.

DETRUST is an online co-op game for up to 12 players, built on teamwork and betrayal. You’ve been sent to repair a damaged facility before the scheduled decontamination begins. Complete tasks, stay alert, and try to escape alive… before one of you tries to kill the entire crew.

Survival Horror with innovative mechanics.Advanced physical interactions, audio waves simulation, hacking electronic devices remotely.Plan you way out through procedural generated facilities, avoid deadly creatures and killer traps.

Alone or up to 6 players, deliver pizzas to the survivors of a city where an oppressive mist has turned almost everyone into monstrous creatures.

They came; they died. Now it's your job to clean up their mess.

YOUR BODY IS YOUR WEAKNESS. A four-player co-op horror game that puts you in the shoes of the chief scientists of a research facility. Your sole objective is to carry out the self-destruct plan and escape the facility.