Top similar games like The Outbreak Protocol:

Ghosts prey on the living inside the haunted mansion of a long dead electricity tycoon. Dead Realm is a creepy, multiplayer action game with beautiful, immersive environments. You can play as either a Ghost or a Human character and work with your friends to run, hide, survive… or die.

Space Entity is a 1-4 player online co-op survival horror game. A entity is within the space ship. Get the power back on and use the escape pods to live on.

This game is a port of the Games for Windows - Live version that was released in 2009. If you buy the Untold Stories Bundle here on Steam, it will be the same as upgrading to Resident Evil 5 Gold Edition.

Developed by Shinji Mikami -- creator of the seminal Resident Evil series -- and the talented team at Tango Gameworks, The Evil Within embodies the meaning of pure survival horror. Highly-crafted environments, horrifying anxiety, and an intricate story are combined to create an immersive world that will bring you to the height of tension.

Attempt to survive as a mysterious event strips away the bounds of reality itself in Cult of Dawn, an "RE4-Like" inspired by classic survival horror titles of the 90s and early 2000s. Features tank controls, sanity FX, free, fixed, & over the shoulder camera angles, inventory management & more.

Detective Sebastian Castellanos has lost everything, including his daughter, Lily. To save her, he must descend into the nightmarish world of STEM. Horrifying threats emerge from every corner, and he must rely on his wits to survive. For his one chance at redemption, the only way out is in.

DESOLATE is a first person horror survival experience. Form a research team with up to 4 players and explore an open world filled with mysteries and unsolved questions, or do it all on your own.

A first-person survival horror game set in a sealed underground facility. Scavenge resources, avoid deadly machines, and uncover buried truths as you fight to escape.

Forest Escape: Last Train is a co-op surreal horror game for 1–4 players. Explore bizarre nightmare locations, gather resources, solve the insane Warden's twisted puzzles, and keep your locomotive running as you fight to escape his unhinged world.

A world where the living envy the dead. Cities are plunged into darkness, the world into silence. You are part of the extraction team, but this time you are trying to save not just people, but humanity itself. Gear up, trust your comrades, and dive into the darkness to save humanity!

Half dead is a multiplayer sci-fi game about a violent TV show. The players' goal is to survive in a network of rooms full of traps.

This is a TPS, horror-type action shooting game. The game will draw players into a terrifying dark world with detailed atmosphere rendering and weird story. Here, you are not defenseless, but even with a gun, you can't suppress the trembling from the heart. Game revenue is used for 2.0 development.

In Silence is a multiplayer horror game. One player takes on the role of the monster who has hypersensitive hearing abilities and is almost completely blind. The other players(2-6) play as survivors, trying to escape or hunting the monster.

OverNight is a multiplayer co-op Ghost Hunting horror with multiple Ghosts per session. Explore some of the most haunted locations with your friends, using a variety of paranormal equipment, engage in rituals, and attempt haunted communications to connect with the other side.

Blending action and survival horror, Resident Evil 6 promises to be the dramatic horror experience of 2013.

A visually lifelike co-op horror game for 1-6 people. Journey through 11 procedurally generated levels, using what's available to survive and progress deeper into the Backrooms.

A 1-4 player co-op horror experience. Navigate hyper-realistic Backrooms levels and liminal spaces, survive unique entities, and uncover the dark mystery behind those levels. Extreme visual fidelity meets psychological dread.

Every corner could hide the dead. Hold your rifle tight, watch your back, and pray your next shot finds the head. Feel the tension rise as you explore a cursed world where every encounter could be your last.

This is a game that combines construction, shooting, and tower defense with a third person apocalyptic theme. In the apocalyptic environment, let players build apocalyptic strongholds that are suitable for their survival.

RE Revelations 2 continues the series acclaimed essential survival horror experience, while uncovering startling truths.

The Johnny Papa is a strategic multiplayer horror game with 3 main characters, 5 side characters and 1 murderer. Welcome to the village of Agris.

World War Z is a heart-pounding coop third-person shooter for up to 4 players featuring massive swarms of hundreds of zombies, focused on fast-paced, gruesomely spectacular action.

Occult is a dynamic cooperative game with elements of horror and quest. You are waiting for a variety of opponents, puzzles and endings!

Explore your way through a crooked Mansion in the aftermath of an apocalypse. Biological mutants ravaged the Earth! You are responsible for finding crucial information! Fight horrific creatures that lurk around every corner! Find and upgrade your weapons!

In Silent Hill Homecoming, Alex Shepherd has returned to his hometown of Shepherd's Glen to investigate the sudden disappearance of his brother. From Shepherd's Glen to the foggy streets of Silent Hill, Alex will face the darkest of horrors while struggling with his own grip on reality.

Inside the Backrooms is a horror multiplayer game mixed with different mechanics that will make you spend an intense night with friends. Explore, think, interact, but be careful, it is rumored that there are several entities wishing to find you...

Exit Zone is a multiplayer horror game with anomalies for 1–5 players, memorize every corridor, uncover anomalies, and make the right decisions—before Exit Zone traps you forever.

Hellspawn is a third-person, fixed-camera classic survival horror adventure. Explore a rural town taken over by a demon worshiping cult. Find items and solve puzzles to navigate your way through the chaos. Fight hordes of creatures not meant to roam the Earth. Most importantly, try to stay alive.

Beloved Resident Evil characters clash in a fight to the death! Test your skills against other players in six-person deathmatch battles.

Fight off waves of zombies in this a single-player or multiplayer cross platform first- and third-person shooter game. Battle of Rebels Winner of the Unreal Florida Game Competition

A tech-noir survival horror short story, set in the urban decay of a long abandoned British city. Solve environmental puzzles, manage limited resources and fight for a way to escape beyond the wall.

CornField is a cooperative first-person horror game for 1-5 players. Collect all the necessary items and escape the cornfield! Run, scream, hide, but most importantly don't get caught! You will be chased by a scary monster that hears your voice from your mic and is definitely trying to kill you!

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

You are a M.E.G. researcher sent into the Backrooms to complete the tasks you’re given. Follow instructions. Don’t ask questions. Explore unsettling, realistic Backrooms levels alone or with a team of up to 4 players. Complete your objectives and do whatever it takes to make it out alive.

Ember Point is a red-hot, combat-focused, third-person action game. Play as a disgraced defector, Gravitus, from a militaristic mega-corporation. He is stuck cleaning up the mess his former employers left behind — all while wielding a top secret “cure” for a gruesome disease.

A new, immersive Backrooms game featuring many entities and many levels.