Hollow Cocoon

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App ID	2414630
App Type	Game
Developer	NAYUTA STUDIO
Publisher	NAYUTA STUDIO
Supported Systems	Windows
Technologies	Unity Engine
Last Changenumber	29944520
Last Record Update	8 July 2025 – 07:44:21 UTC ()
Release Date	7 December 2023 – 01:00:23 UTC ()

😎 86.78%

807 reviews

In-Game

"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.

Additional Information

Developer

NAYUTA STUDIO

controller_support

full

community_visible_stats

Yes

ReleaseState

released

Publisher

NAYUTA STUDIO

Store Release Date

7 December 2023 – 01:00:28 UTC ()

osarch

community_hub_visible

Yes

Social Media

https://x.com/SbbUtutuya
https://www.youtube.com/@nayutastudio9274/

Primary Genre

Indie (23)

Store Genres

Adventure (25), Indie (23)

Steam Release Date

7 December 2023 – 01:00:23 UTC ()

Store Asset Modification Time

6 December 2023 – 11:50:10 UTC () (1701863410)

library_assets

library_capsule	en,ja
library_hero	en
library_logo	en,ja
library_header	en,ja
logo_position ↴
pinned_position	BottomLeft
width_pct	50
height_pct	50

osextended

empty string

name_localized

japanese

ウツロマユ - Hollow Cocoon -

review_score

review_percentage

Detected Technologies (?)

Unity Engine, SteamworksNET SDK, UnityBurst SDK, UnityHDRP SDK, cURL SDK

Steam Deck Compatibility

Steam Deck:
All functionality is accessible when using the default controller configuration
This game shows Steam Deck controller icons
In-game interface text is legible on Steam Deck
This game's default graphics configuration performs well on Steam Deck
Note: This game does not default to external Bluetooth/USB controllers on Deck, and may require manually switching the active controller via the Quick Access Menu
SteamOS:
This game runs successfully on SteamOS
Note: This game does not default to external Bluetooth/USB controllers on SteamOS, and may require manually switching the active controller via the Quick Access Menu
category: Verified
steamos_compatibility: Compatible
test_timestamp: 5 January 2024 – 00:00:00 UTC
tested_build_id: 13046308

configuration:

supported_input	gamepad
requires_manual_keyboard_invoke	0
requires_non_controller_launcher_nav	0
primary_player_is_controller_slot_0	1
non_deck_display_glyphs	0
small_text	0
requires_internet_for_setup	0
requires_internet_for_singleplayer	0
recommended_runtime	proton-stable
requires_h264	0
requires_voice_files	0
gamescope_frame_limiter_not_supported	0
hdr_support	0

Content Descriptors

Frequent Violence or Gore (2), General Mature Content (5)

controllertagwizard

Yes

First seen on SteamDB

29 April 2023 – 02:40:48 UTC (), in changelist #18618603

Content Descriptors (Including DLC)

Frequent Violence or Gore (2), General Mature Content (5)

Supported Languages

11 Languages	Interface	Full Audio	Subtitles	Achievements
English	Yes		Yes	Yes
Simplified Chinese	Yes		Yes	Yes
Japanese	Yes	Yes	Yes	Yes
Korean	Yes		Yes
German	Yes		Yes
Italian	Yes		Yes
Russian	Yes		Yes
Indonesian	Yes		Yes
Portuguese - Brazil	Yes		Yes
Vietnamese	Yes		Yes
Spanish - Spain	Yes		Yes

Hardware Categories

Full Controller Support

DualShock Controllers (USB Only)

DualShock Controllers

DualSense Controllers (USB Only)

DualSense Controllers

Assets

Load all asset images

clienticon

b460d641f0bef690f0338bb1eb0fa0b7ca1c4626

clienttga

bf096cbace0f816b2ef238a56e759244bc96ebfa

icon

1207e61fad4b2b7662e7e7728a4e747a18bc97b7

small_capsule

english	capsule_231x87.jpg
japanese	capsule_231x87_japanese.jpg

header_image

english	header.jpg
japanese	header_japanese.jpg

library_assets_full

library_capsule ↴
image/english	library_600x900.jpg
image/japanese	library_600x900_japanese.jpg
image2x/english	library_600x900_2x.jpg
image2x/japanese	library_600x900_japanese_2x.jpg
library_hero ↴
image/english	library_hero.jpg
image2x/english	library_hero_2x.jpg
library_logo ↴
logo_position/pinned_position	BottomLeft
logo_position/width_pct	50
logo_position/height_pct	50
image/english	logo.png
image/japanese	logo_japanese.png
library_header ↴
image/english	library_header.jpg
image/japanese	library_header_japanese.jpg

Assets

main_capsule	capsule_616x353.jpg
small_capsule	capsule_231x87.jpg
header	header.jpg
hero_capsule	hero_capsule.jpg
library_capsule	library_600x900.jpg
library_capsule_2x	library_600x900_2x.jpg
library_hero	library_hero.jpg
library_hero_2x	library_hero_2x.jpg
community_icon	1207e61fad4b2b7662e7e7728a4e747a18bc97b7.jpg
page_background_path	app/2414630
timestamp	6 November 2024 – 06:50:30 UTC

Trailers

256971782 ↴
trailer_name	Teaser Trailer
trailer_category	0
trailer_480p/video/webm	256971782/movie480_vp9.webm
trailer_480p/video/mp4	256971782/movie480.mp4
trailer_max/video/webm	256971782/movie_max_vp9.webm
trailer_max/video/mp4	256971782/movie_max.mp4
microtrailer/video/webm	2414630/611511/423507ebcb10a0e6bd074bb11f95ad8ca332deb3/1750814357/microtrailer.webm
microtrailer/video/mp4	2414630/611511/423507ebcb10a0e6bd074bb11f95ad8ca332deb3/1750814357/microtrailer.mp4
screenshot_medium	256971782/movie.293x165.jpg
screenshot_full	256971782/movie_full.jpg
trailer_base_id	611511
all_ages	true
is_highlight	true
timestamp	1695804353
256954492 ↴
trailer_name	alpha build gameplay
trailer_category	1
trailer_480p/video/webm	256954492/movie480_vp9.webm
trailer_480p/video/mp4	256954492/movie480.mp4
trailer_max/video/webm	256954492/movie_max_vp9.webm
trailer_max/video/mp4	256954492/movie_max.mp4
microtrailer/video/webm	2414630/580796/45831add4b0d4c841b51cec48d9976f0ec45e481/1750814356/microtrailer.webm
microtrailer/video/mp4	2414630/580796/45831add4b0d4c841b51cec48d9976f0ec45e481/1750814356/microtrailer.mp4
screenshot_medium	256954492/movie.293x165.jpg
screenshot_full	256954492/movie_full.jpg
trailer_base_id	580796
all_ages	true
timestamp	1687945385

Steam charts

Compare

9 players right now
19 24-hour peak
863 all-time peak 9 December 2023

SteamDB.info

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Store data

Twitch stats

0 viewers right now
36 24-hour peak
56,949 all-time peak

Owner estimations

~29.7 k by PlayTracker
~34.6 k by Gamalytic

Monthly players breakdown

Initializing Steam charts…

Steam hub followers history

Initializing followers chart…

User reviews history

😎 Very Positive
86.78% SteamDB Rating
746 92.4% positive reviews
61 7.6% negative reviews

How many players are playing Hollow Cocoon right now on Steam?

Steam player counter indicates there are currently 9 players live playing Hollow Cocoon on Steam.

Hollow Cocoon had an all-time peak of 863 concurrent players on 9 December 2023.

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Hollow Cocoon

Additional Information

Supported Languages

Tags

Categories

Hardware Categories

Assets

Steam charts

Store data

Twitch stats

Owner estimations

Monthly players breakdown

Steam hub followers history

User reviews history