Also known as Hollow Cocoon, hc, hollow cocoon
"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.
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 pla…
Read security notesBrowse past updates and patch notes for this game.
20 updates
Top picks from 11 Steam achievements, sorted by player unlock rates.
