Screenshots
Watch trailer on Steam ↗Mountain's Secret
Waterfall Studio · Published by Waterfall Studio
Mostly Positive — 77% positive (22 reviews)
Last updated 10 Oct 2026
This is the sequel to Mountain's Memory. Mountain's Secret is an adventure game where you must escape from mysterious ruins while evading enigmatic dolls. Uncover the secrets left unresolved in the previous story, and reveal the true nature of the mountain.
Adventure, Indie, Free To Play · 2025 · More free games
Explore the enigmatic mysteries of Mountain's Secret, unraveling secrets left from its predecessor while navigating perilous ruins. Evade mysterious dolls as you delve deeper into the mountain’s dark past.
About this game
It is recommended to play the previous game, "Mountain's Memory," before playing this one.
─Synopsis─ While camping, you witnessed a bizarre scene. Feeling threatened, you decided to return home immediately but ended up in an accident.
When you regained consciousness, you found yourself confined in a desolate ruin deep in the forest.
You must now start exploring in hopes of escaping the ruin…
Game Overview
This game is a horror adventure where players aim to escape from ruins while being pursued by eerie dolls.
Is the doll annoying? Then kick it away!
Note: The title screen is always displayed in English to enhance the atmosphere, regardless of the language setting.
Note: While this game is an escape game, it does not contain puzzles.
Note:When you left-click on "STORY" on the title screen, you can view the summary of the previous game.
Guidelines for streaming Users are allowed to create videos or live streams of this game as long as the following conditions are met. Monetization is also permitted.
─Conditions─
Include the store page URL in the video description.
Include the phrase "Mountain's Secret" in the title.
Disclaimer The developer is not responsible for any troubles arising from streaming or gameplay.
Game Information
Estimated completion time: 30 minutes
Number of endings: 2
System Requirements
Will my PC run this? →Minimum
- Requires a 64-bit processor and operating system
- OS: Windows 11 64-bit
- Processor: Quad-core Intel or AMD processor (2.5 GHz or higher)
- Memory: 8 GB RAM
- Graphics: NVIDIA GeForce GTX 770 or AMD Radeon RX 470 or higher
- DirectX: Version 11
- Storage: 2 GB available space
Recommended
- Requires a 64-bit processor and operating system
- OS: Windows 11 64-bit
- Processor: 13th Gen Intel(R) Core(TM) i7-13620H
- Memory: 32 GB RAM
- Graphics: NVIDIA GeForce RTX 4070 or higher
- DirectX: Version 12
- Storage: 2 GB available space
Supported Languages
Latest news
AnnouncementsOfficial
Our new title, "街灯 -machinohi-" is coming soon.
Hi everyone!Waterfall Studio here.We’re excited to announce that our new free horror game \街灯 -machinohi-] is scheduled for release at the end of this month!It’s a walking simulator horror game set on the streets of Japan at night. Please take a look and check out our store page!Link to 街灯 -machinohi- Store PageThe specific release date will be announced soon. Stay tuned!Read full article on Community Announcements (Waterfall Studio)AnnouncementsOfficial
The world of "Mountain's Secret" returns in a new game!
Hi everyone! The creator's latest project, a thief game titled "BYE BYE! POLICE!", features the same eerie ruins you remember from "Mountain's Secret"!Experience the ultimate thrill of thieving in that terrifying land. Good luck!"BYE BYE! POLICE!" Store PageRead full article on Community Announcements (Waterfall Studio)Patch NotesOfficial
Update on September 25, 2025
The voice in the opening movie has been changed.Read full article on Community Announcements (Waterfall Studio)Patch NotesOfficial
June 7 Update
The opening scene can now be skipped using the F key.Read full article on Community Announcements (Waterfall Studio)Patch NotesOfficial
The second update on May 31st.
We adjusted the texture resolution and slightly reduced the file size.Read full article on Community Announcements (Waterfall Studio)
