Whisper Mountain Outbreak
Steam News 11 March 20262mo ago

Early Access Update #2.5: Public Beta for Cursed Update

Reporting in, Agents. The Public Beta Branch: Version 424 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: Access the game's…

Update log

Full Whisper Mountain Outbreak update

The complete published notes, normalized for clean reading and source attribution.

Extracted changes

2 fixes7 additions7 changes1 removal
  • Compatibility
  • Gameplay
addedReporting in, Agents.The Public Beta Branch: Version 424 is now available for testing, available for both players and Friends' Pass owners.
changedBeta Branch Build Ver. 424 Patch NotesHere are the changes implemented in this beta build:
addedBeta Branch Build Ver. 424 Patch NotesIMPROVEMENTS & NEW FEATURES
addedBeta Branch Build Ver. 424 Patch NotesCursed Items along with additional map modifiers have been added.
changedBeta Branch Build Ver. 424 Patch NotesAll playable classes have been reworked to define their roles better and improve overall team composition.
addedBeta Branch Build Ver. 424 Patch NotesSeveral new puzzles have been introduced across different locations, requiring players to observe their surroundings and work together to progress.

Reporting in, Agents.

The Public Beta Branch: Version 424 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:

Access the game's properties.

Choose the Game Versions and Betas tab and choose beta game version.

Beta Branch Build Ver. 424 Patch Notes

Here are the changes implemented in this beta build:

IMPROVEMENTS & NEW FEATURES

  • Cursed Items along with additional map modifiers have been added.

  • All playable classes have been reworked to define their roles better and improve overall team composition.

  • Several new puzzles have been introduced across different locations, requiring players to observe their surroundings and work together to progress.

  • Stray cats can now be found wandering in certain areas of the map. Of course, you can interact with them.

  • A new elite boss variant has been added in the Abandoned Factory map.

  • The Safehouse Map will now appear after players successfully complete the mission in City Hospital and will no longer be an endless mission.

  • A new cutscene has been added to serve as a conclusion for the currently available missions during Early Access.

  • Beta Branch Work in Progress: some languages are still in progress being implemented, therefore, the default language shown is still in English.

BUG FIXES

  • Fixed a bug where, after solving a puzzle, the rolling door would open for the host but remain blocked for clients.

  • Fixed an issue where items could become unsynchronized after a player reconnected to a session.

The Cursed Update Preview

Here are some sneak peeks of the upcoming Cursed Update, which will be live next month in April. We are currently testing the bits for the upcoming update, and it would be really appreciated if you could also help us before we put it on the public build.

Below, you’ll find some “found footage” from the B.R.I.M. Support Division. Find out what's coming soon next month on The Cursed Update. Stay tuned!

Cursed Items: Irradiated

New Map: Commercial Area

Interact with the Stray Cats

The Cursed Update showcased in the beta branch showcases new affliction item modifiers. Also, several improvements were made to improve our Agents' overall investigation experience. Your encounters will be even more dynamic and will change your approach to tackling them.

We want to hear your feedback!

We look forward for you to try the beta branchand give your feedback. If you encounter any issues or bugs, you can reach out to us on Steam discussions, social media, or the Toge Productions Discord community.

We also have an email and a feedback form where you can directly send your feedback to us. Email: wmo@togeproductions.com Feedback form: Whisper Mountain Outbreak Feedback Form

We look forward to your participation! We are grateful for your kind support following last year's update, following the Early Access release. Well see you soon in the public release for the Cursed Update!

On another news...

Whisper Mountain Outbreak passed the 100,000 copies milestone! Thank you for your field investigations and for supporting the game along the way. Your feedback and enthusiasm help us keep improving the experience. More updates are coming this year, look forward to it!

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Source

Steam News / 11 March 2026

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