Home / Games / Whisper Mountain Outbreak
Whisper Mountain Outbreak
Escape room meets co-op survival horror. The year is 1998, and an ancient curse has been unleashed, trapping everyone on Mount Bisik. Alone or with up to 4 players, you must explore, find clues, figure out a way to escape...and survive the horror.
What players say
Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-25.
“Great game, modern day Resident Evil Outbreak. We need more of these kinds of games.”
— a player, Steam review · 2 hrs played“This game is awesome! Overall I have had a great experience with it! There is a few things I would love to have updated: - Disconnected Players not loosing all of their progress if they are not the host. This burned us bad as we had a stuck character right before the final boss…”
— a player, Steam review · 12 hrs played“I am mixed about this game, but can't recommend it right now as there are some balancing issues and the game loop doens't seem fun at later parts of a run. The good: - I love the RE style item management, and picking perks to level up for your characters. - I love the pixel art…”
— a player, Steam review · 5 hrs playedPlayer activity
Monthly average concurrent players. Live data self-collected from the Steam API · history through 2026-08 via SteamCharts.
Price tracking
US-region pricing (USD), sampled twice daily by our own tracker since 2026-09-26. Steam prices vary by region — always confirm your local price on Steam.
Regional prices at last sample, in local currency — Steam sets each region's price independently.
Cheapest → most expensive, converted to USD at ECB reference rates (2026-09-25). Relative comparison only.
Latest official news
Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.
Early Access Update #4.5: Public Beta for the Meritocracy Update
Reporting in, Agents. The Public Beta Branch: Version 501 is now available for testing, available for both players and Friends' Pass owners. Here's how you can change the game build to the Beta Branch
New Intel for the Upcoming Update!
Reporting in, Agents. Incoming intel from the B.R.I.M Support Division! The addition of the Geared-Up Update last month was successful to help with our Agents through their investigations. This time,
Early Access Update #4: The Geared-Up Update
Reporting in, Agents. Version 475 is now available in the main branch! The Geared-Up Update introduces utility items to aid the agents while encountering difficult situations during investigations. Wi
Beta Build Update - Version Update 475
Reporting in, Agents. The Public Beta Branch: Version 475 is now available for both players and Friends' Pass owners. Thank you for your feedback in the past few weeks, it has been incredibly helpful.
Early Access Update #3.5: Public Beta for Geared-Up Update
Reporting in, Agents. The Public Beta Branch: Version 464 is now available for testing, available for both players and Friends' Pass owners. Here's how you can change the game build to the Beta Branch
Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-09-25.
| Genres | Action, Indie, Early Access |
| Player tags | Early Access · Online Co-Op · Survival Horror · Isometric · 2.5D · Zombies · Action Roguelike · Tactical · Horror · Pixel Graphics · Investigation · PvE (Steam store community voting) |
| Features | Single-player · Multi-player · Co-op · Online Co-op · Gamepad Recommended · DualShock Controller Support · DualShock Controller Support · DualSense Controller Support |
| Languages | English, Indonesian, Simplified Chinese, Traditional Chinese, Japanese, French, German, Spanish - Spain, Korean, Polish, Portuguese - Brazil, Russian, Thai, Turkish |
Minimum system requirements (PC)
Minimum: Requires a 64-bit processor and operating system OS: Windows 10 or later Processor: 2.4 GHz or faster processor Memory: 4 GB RAM Graphics: 1 GB VRAM, support Pixel Shader version 2.x or above DirectX: Version 10 Network: Broadband Internet connection Storage: 1 GB available space