Top similar games like Whisper Mountain Outbreak:

Undying West is a 1-4 player co-op psychological horror set in the Old West, where you and your team infiltrate abandoned locations overrun by deranged robot zombies. Find the terror lurking in the dark—discover its vulnerability, kill it, and escape with your trophy before the town claims you too.

The devil wears a human face. Unmask and exorcise it—with friends. A 4-player co-op horror game where you hunt demons lurking in a village. Observe behavior, detect environmental shifts, and use items to expose the truth. But beware: should you misjudge, the consequences will be severe.

State Breakers is a chaotic top-down PvPvE extraction shooter. INTERSTATE A.I. has turned against humanity! They must be infiltrated and destroyed! Resist solo or in a team - kill zombies, hack the map, outwit rival humans, loot, level up - and overthrow the clanker scum!

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...

Husk: Occult Tides is a dark roguelike shooter for 1 to 3 players. Drop into ever-shifting mutation zones, bargain with the Old Gods for forbidden power, and bend storms of arcane bullets to your will. Carve through the swarm, claim the relics, and extract before the Black Rain devours your mind.

"Bureau of Contacts" - ghost-hunting game for 1-4 players, in which you'll encounter 2 enemies at once - location itself and the ghosts with most human-like intelligence ever. So...look around and watch what you say!

Don't Turn Off the Light is a 5-player asymmetrical multiplayer horror game where one player becomes a demon lurking in the darkness. Survivors must rely on light, teamwork, and scavenged weapon parts to avoid possession, escape captivity, and fight back before it's too late.

1923. You owe a gangster money. The answer is buried beneath Devil Reef — if the horrors lurking in the dark don’t claim your mind first. A Lovecraftian co-op roguelite for 1–4 players where your sanity is the real final boss.

Vicera is an online co-op game. Play as relic hunters, solving enigmatic mysteries and escaping a terrifying monster. Will you dare to face the darkness to find the cursed relics?

An online co-op horror zombie shooter for up to 4 players. Push a shopping cart through supermarkets in a zombie apocalypse, search for high-value items, cover your teammates, and extract safely — but be careful not to hurt each other.

Fear Therapy, is a multiplayer(1-4) and single player psychological horror game.Try to complete the quests and leave the horror house before it is too late! Satan getting angrier every second and nothing holding it back.

Fantasma is a Co-op (1-4) Psychological Horror that pits players against the supernatural. Alone or as a team- coordinate a loadout, travel to haunted locations and survive being hunted by vengeful apparitions using a variety of specially designed and upgradeable equipment.

Project Zarya is an open-world adventure set in post-apocalyptic Russia, where every day is a fight for survival. Explore, gather resources, build shelters, craft equipment, and battle the infected alone or with friends.

This game is a roguelike where you continuously fend off zombies by upgrading your gun. Survive the waves of zombies storming the house with your allies! As the days pass, more zombies will appear, including powerful ones, but you will grow stronger too.

A co-op survival horror game where you and your closest friends must work together to survive in an upside down world crawling with the infected.

In a post-apocalyptic world overrun by monsters due to an unknown virus, some people have managed to survive. During these times, an organization formed by elite members of society emerged, fighting against the monsters and aiming to restore the world to its original state.

The world has fallen by zombies. As a part of the association, you are dispatched to the places where zombies are concentrated and stabilize these areas. Fill your backpack with the full of items, and eliminate zombies with the bullet hell.

Unheenged is a cooperative horror extraction game for you and up to 3 friends. featuring proximity voice chat, scary monsters, multiple items and doors... Lots of doors.

A dark co-op top-down shooter in a post-soviet zombie apocalypse setting. You appear at a random location in the city. The goal is to get to the transport, and you will make the path yourself. In the day - look for resources and build fortifications. At night - destroy the dead and their bosses!

Make It Count is a 1-3 players Co-op, post-apocalyptic, top-down shooter with roguelite elements. Venture into your mission with randomized routes, find trinkets and bring carnage to the filth that is infesting this world!

"Devil Must Die: The Last Supper" is a horror game. It is a Cthulhu horror game where players, as the followers of the goddess, enter a castle full of demons. To win, they can either search for clues inside the castle to obtain sufficient information about the demons or eliminate the demons there.

Liturge is a cooperative investigative horror game for 1-4 players. A team of LRI Operators investigates haunted locations, gathers paranormal evidence, and identifies the entity responsible for the activity.

Bound to Rot is a dark fantasy hardcore ARPG. Descend into the Anima, follow the Pulse, and push as deep as you dare for rare loot and brutal combat. Stray from the Pulse and the darkness will collect what you owe.

"Gun Brothers" is a frantic top down shooter for 1-4 players.

Black Pine is a 4-player online co-op horror survival game where you and your crew are hired contractors, sent deep into the Appalachian Mountains to restore critical infrastructure after unknown events devastate the area. Take on dangerous repairs and avoid the horrors lurking in the shadows!

An online co-op horror game where you pacify, weaken and capture supernatural creatures for PAH Inc. Each level has a different story, unique monsters, and multiple endings. Play single player or together with up to 6 friends. Includes proximity voice chat with fun effects.

The Backrooms - Nightmare Dimension is a Co-op online horror game with up to 4 players, where you and your friends take on the roles of soldiers who are part of the SCP Foundation with the mission to eliminate the mysterious entities found in the infamous place called "the Backrooms".

Survive overwhelming hordes of zombie-like mutants in this chaotic co-op twin-stick shooter. Play solo or team up with up to 16 players as hundreds of enemies flood the screen in a relentless fight to hold the line.

An infinitely generating third person shooter Rougelite. Experience the end of the world through various survivors with unique abilities. Explore and loot the underground as you go deeper to escape the hell on the surface. Try to go as deep underground as possible.

Internal Incident – a top-down survival horror extraction shooter. Explore the hidden corners of a vast facility in search of resources while fighting off terrifying creatures lurking in the dark. Unveil the secrets of the abandoned complex and do everything you can to make it out alive.

Zombiefielders! Your mission is to open portals to attract stronger zombies and evacuate from the field. Work with your manager to reduce operational risks and get paid for completing your contract

A 1–6 player immersive psychological horror experience. Venture through multiple handcrafted liminal Backrooms levels, solve puzzles, explore and survive.

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?

Blue Ridge Hunting is a co-op horror game set in the Appalachian Mountains. Solo or with friends, investigate, document, and hunt cryptids based on real sightings, legends, and eerie phenomena from the region. Are you brave enough to uncover the truth?

UNFROST is a co-op Antarctic horror FPS about hunting ancient entities known as the Riftborne. Gather evidence, survive extreme conditions, prepare a nuclear strike, and extract before impact.