RONNARIUM

Wishlist Follow Ignore Install Unwatch Watch

App ID	2270550
App Type	Game
Developer	ハルナノミウチ
Publisher	ハルナノミウチ
Supported Systems	Windows macOS
Technologies	Unity Engine
Last Changenumber	31482295
Last Record Update	4 October 2025 – 16:44:20 UTC ()
Release Date	2 December 2023 – 08:33:37 UTC ()

❓ 81.03%

24 reviews

In-Game

An aquarium where a huge tank called "RONNARIUM" is on display. There is a rumor that if one enters the aquarium at night, he or she will be "divinely bewitched". A girl named "Yocto" hears the rumor and visits the aquarium to confirm the truth.

Additional Information

Developer

ハルナノミウチ

community_visible_stats

Yes

ReleaseState

released

Publisher

ハルナノミウチ

Store Release Date

2 December 2023 – 08:33:40 UTC ()

osarch

empty string

community_hub_visible

Yes

Social Media

https://x.com/harunanomiuchi
https://www.youtube.com/@harunanomiuchi/

Primary Genre

Adventure (25)

Store Genres

Adventure (25)

Steam Release Date

2 December 2023 – 08:33:37 UTC ()

Store Asset Modification Time

29 October 2023 – 10:52:50 UTC () (1698576770)

library_assets

library_capsule	en
library_hero	en
library_logo	en
logo_position ↴
pinned_position	BottomCenter
width_pct	100
height_pct	100

osextended

macos64

review_score

review_percentage

100

Detected Technologies (?)

Unity Engine, SteamworksNET SDK, UnityBurst SDK, cURL SDK

First seen on SteamDB

3 January 2023 – 00:57:51 UTC (), in changelist #17250910

Supported Languages

1 Languages	Interface	Full Audio	Subtitles
Japanese	Yes

Assets

Load all asset images

clienticon

8e965ed5ade0c335191e242daafa85be0c31d351

clienttga

4161eb34314683d0149799767f84e21032da7656

icon

bff8334350cd7ef76da0cff2032ee84b9d6e61f7

LinuxClientIcon

943b019564f46583727a71648674b021a45c2165

small_capsule

english

capsule_231x87.jpg

header_image

english

header.jpg

library_assets_full

library_capsule ↴
image/english	library_600x900.jpg
library_hero ↴
image/english	library_hero.jpg
library_logo ↴
image/english	logo.png
logo_position/pinned_position	BottomCenter
logo_position/width_pct	100
logo_position/height_pct	100

Assets

main_capsule	capsule_616x353.jpg
small_capsule	capsule_231x87.jpg
header	header.jpg
page_background	page_bg_generated_v6b.jpg
hero_capsule	hero_capsule.jpg
library_capsule	library_600x900.jpg
library_hero	library_hero.jpg
community_icon	bff8334350cd7ef76da0cff2032ee84b9d6e61f7.jpg
page_background_path	app/2270550
raw_page_background	page_bg_raw.jpg
timestamp	2 December 2023 – 15:19:35 UTC

Trailers

587826 ↴
trailer_name	ティザームービー
trailer_category	2
trailer_480p/video/webm	256958355/movie480_vp9.webm
trailer_480p/video/mp4	256958355/movie480.mp4
trailer_max/video/webm	256958355/movie_max_vp9.webm
trailer_max/video/mp4	256958355/movie_max.mp4
microtrailer/video/webm	2270550/587826/4907e6a6061ce8607ef53eebc9a2db185ddd9680/1751097162/microtrailer.webm
microtrailer/video/mp4	2270550/587826/4907e6a6061ce8607ef53eebc9a2db185ddd9680/1751097162/microtrailer.mp4
adaptive_trailers/0/cdn_path	2270550/587826/4907e6a6061ce8607ef53eebc9a2db185ddd9680/1751097162/dash_av1.mpd
adaptive_trailers/0/encoding	dash_av1
adaptive_trailers/1/cdn_path	2270550/587826/4907e6a6061ce8607ef53eebc9a2db185ddd9680/1751097162/dash_h264.mpd
adaptive_trailers/1/encoding	dash_h264
adaptive_trailers/2/cdn_path	2270550/587826/4907e6a6061ce8607ef53eebc9a2db185ddd9680/1751097162/hls_264_master.m3u8
adaptive_trailers/2/encoding	hls_h264
screenshot_medium	256958355/movie.293x165.jpg
screenshot_full	256958355/movie_full.jpg
all_ages	true
is_highlight	true
timestamp	1698472108

Depots

ID	Configuration	Size	DL.
2270552	Windows Japanese	131.96 MiB	36.46 MiB
2270553	macOS Japanese	125.57 MiB	33.80 MiB

Total size on disk is 257.52 MiB and total download size is 70.26 MiB.

Branches

Name	Description	Build ID	Time Updated
public		20253796	4 October 2025 – 16:40:03 UTC

Other

Name	Value
baselanguages	Japanese

RONNARIUM

Additional Information

Supported Languages

Tags

Categories

Assets

Depots

Branches

Other