Isometric cooperative player-versus-environment multiplayer survival horror game Whisper Mountain Outbreak will launch for PC via Steam in Q3 2025, developer Toge Productions announced.
Here is an overview of the game, via its Steam page:
About
Whisper Mountain Outbreak is an isometric cooperative player-versus-environment multiplayer survival horror game where you and your friends must work together to escape the cursed fog-covered Mt. Bisik.
Explore abandoned buildings, fight monsters, scavenge resources, craft items, solve puzzles, and figure out a way to escape the whispering madness.
Story
It’s 1998; a mining operation on Mt. Bisik inadvertently unleashed an ancient horror when they disturbed a ruin buried deep inside the mountain.
People started hearing whispers and seeing monsters when a mysterious fog suddenly appeared and covered the area surrounding the mountain. Now, you and your friends are trapped in the cursed Mt. Bisik.
Key Features
- Survive and Fight the Horde – Monsters will come in waves. Fight them off using a variety of melee and ranged weapons, use herbs to recover your health, and protect each other’s back!
- Cooperative Multiplayer Madness – Teamwork is key in this race to safety. Communicate using a chat wheel, save downed teammates, and share the scarce resources you find.
- Explore, Solve Puzzles, and Find a Way to Escape… Together! – Work together to solve puzzles, find keys, unlock doors, and figure out a way to escape the cursed mountain.
- Uncover the Town’s Dark Secrets and Find the Truth – Read notes, talk with NPCs, and learn the hidden secrets behind the cursed fog-covered town and the people that inhabit it.
- Claustrophobic, Suspenseful, Dark, and Creepy Atmosphere – A lingering fog, tight rooms, limited visibility, and limited resources.
Watch a new trailer below.