About the Game
Journey through the pages of a living fable.
Moss: The Forgotten Relic is an emotional and atmospheric adventure set in the pages of a living storybook, brimming with myth and ancient magic. Guide a tiny but determined hero on a heartfelt journey of challenge, courage, and connection.
Traverse a fallen kingdom, solve environmental puzzles woven into the landscape, and embark on a timeless adventure…
Moss: The Forgotten Relic unites the beloved and critically-acclaimed Moss and Moss: Book II into a definitive singular adventure, beautifully enhanced and reimagined for its debut on PC.
Explore a Fallen Kingdom
Venture through a mythic land marked by the ruins of a ancient realm slowly being reclaimed by an enduring and untamed nature.
Guide an Unlikely Hero
Form a powerful bond with Quill, a small and courageous mouse who looks to you for guidance, protection, and trust at every step of her journey.
Embark on a Timeless Tale
Uncover hidden secrets, navigate puzzling places, and confront arcane forces in an intimate and epic fable inspired by classic fantasy adventures.
Optional Local Co-Op
Play together as Quill and the Reader, each using a separate controller
Additional Features
Explore a fallen kingdom slowly reclaimed by nature
Guide a tiny hero through mysterious places and towering dangers
Solve handcrafted, diorama-like environmental puzzles
Discover hidden secrets and surprises off the beaten path
Face arcane threats with optional “skip combat” accessibility
Uncover the epic and heartfelt tale of a hero who needs you
Thoughtfully designed and lovingly crafted by a small team
Critically acclaimed with over 160 awards and nominations
Orchestral soundtrack by acclaimed composer Jason Graves
Reimagined as the Definitive Adventure
Moss: The Forgotten Relic brings Moss and Moss: Book II together as one complete, enhanced experience debuting on PC first time. New features include:
Play 2 beloved and critically acclaimed experiences as one
Enhanced Visuals and Performance
New Handcrafted Cutscenes and Smart Follow Camera
All Twilight Garden DLC included
New Accessibility Option “Skip Combat”
Screenshots
9 images
Version Information
Steam Patch Notes
Official update history
Hotfix 1.0.2 Patch Notes
Using Skip Combat in Moss Book I will now correctly void the "Protector of the Realm" achievement/trophy.
Fixed a rare crash in Moss Book I that could occur when returning to the game selection menu shortly after entering a level.
Fixed an issue where players could get locked out of input after collecting the Armor or Weapon in the Twilight Garden.
Fixed an issue where players could get stuck and unable to proceed in the Twilight Garden when entering through the second or third portal.
Fixed an issue in the Mire Temple where the camera didn't zoom out properly during the final puzzle.
Fixed an issue where the gates to the Twilight Garden trials could lower prematurely before exiting the area.
Fixed a rare crash that could occur when transitioning between levels after using Skip Combat.
Fixed an issue where certain debug commands could be triggered via keyboard input.
Fixed a rare crash related to Steam Input during game exit.
Fixed an issue where Windows Resolution Scaling wasn't applying correctly in-game.
Added the ability to Exit Game, toggle VSync, and adjust Resolution Scaling directly. (Steam Deck)
Thanks to everyone for your feedback and bug reporting! We're working on getting builds with fixes out as quickly as possible, and have a small patch to push today.
Hotfix 1.0.1 Patch Notes
Properly support multiple plugged in controllers. All plugged in controllers can now be used to control Quill. Rumble goes to the most recently used controller. This should dramatically improve the experience of players using a controller on Steam Deck, and players playing with virtual controllers.
Fix for occasional crash when skipping combat.
Please keep it coming! If you run into any issues, or have feedback, you can always find us at our support page.
https://player.support.polyarcgames.com/
What's Next
We've got more fixes and updates based on feedback which should be ready next week. These should include:
Better Steam Deck options.
Fixes to gameplay blockers.
More crash fixes.
And more to come, so stay tuned!
Current Release
Build 25765855
Uploaded Oct 13, 2026
System Requirements
How to Install
MossCollection.exe to play
Troubleshooting tips
• Run Redist/_CommonRedist installers if game won't start
• Add folder to Windows Defender exclusions
• Run as administrator
Download
Direct link available
Needed when extracting (WinRAR / 7-Zip) — not a site login.
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Download Moss: The Forgotten Relic for PC with a direct link or via torrent. Get the full version of Moss: The Forgotten Relic for free. Moss: The Forgotten Relic is a Action released by Polyarc.