Lobbies · prototype · v0.1 · made for gamers

Released December 7, 2023 · NAYUTA STUDIO
"Trapped in a cocoon, the silkworm weaves her final dream." Hollow Cocoon is a first-person horror adventure game set in 1980s Japan. Immerse yourself in meticulously recreated environments as you venture into the depths of unspeakable horrors that await you.
Steam · 903 reviews · 92% positive
IGDB · out of 100
The Hollow Cocoon Lobby
[Important] Response to Unity Engine Vulnerability (Ver.1.25)
On October 3, 2025 (Fri), Unity Technologies announced a security vulnerability affecting games developed with Unity versions 2017 and later. We have urgently applied a patch to address this issue. We kindly ask all players to update to the latest Ver.1.25 before playing Hollow Cocoon. Thank you fo…
Spanish is now supported. (Ver1.24)
Spanish is now supported in Ver 1.24. We would like to take this opportunity to thank the translators for their careful and accurate translations. Thank you very much. Vietnamese translator: JoseKenshin Traducciones Other Fixes - Some Italian text has been fixed. https://store.steampowered.com/app/…
Patch notes 1.23
- Some corrections to Vietnamese text.
via Steam