My Joyful Aquarium

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App ID	3338820
App Type	Game
Developer	Error 300
Publisher	Error 300, Gamersky Games
Supported Systems	Windows macOS Linux
Last Changenumber	31223559
Last Record Update	21 September 2025 – 02:42:36 UTC ()
Release Date	30 September 2025 – 07:00:00 UTC ()

❓ 77.00%

20 reviews

In-Game

My Joyful Aquarium is a relaxing game where you build your dream fish tank. Take good care of your fish’s comfort, upgrade their environment, and explore thousands of breeding possibilities. With offline progression, your aquatic world thrives even when you’re away! Ready to dive in?

Additional Information

Developer

Error 300

ReleaseState

released

Publisher

Error 300

Store Release Date

16 September 2025 – 08:06:03 UTC ()

osarch

empty string

community_hub_visible

Yes

Social Media

https://discord.gg/KRr93wMqnB
https://www.facebook.com/error300com
https://x.com/error300com
https://www.youtube.com/@error300games3

Primary Genre

Casual (4)

Store Genres

Casual (4), Simulation (28), Early Access (70)

Steam Release Date

30 September 2025 – 07:00:00 UTC ()

Store Asset Modification Time

15 August 2025 – 16:33:39 UTC () (1755275619)

library_assets

library_capsule	en,ja,ko,zh-cn,zh-tw
library_hero	en,ja,ko,zh-cn,zh-tw
library_hero_blur	en,ja,ko,zh-cn,zh-tw
library_logo	en,ja,ko,zh-cn,zh-tw
library_header	en
logo_position ↴
pinned_position	CenterCenter
width_pct	100
height_pct	100

osextended

macos64,macosnotarized

name_localized

schinese	无限融合养鱼中心
tchinese	無限融合養魚中心
japanese	無限錬成水族館
koreana	무한 융합 아쿠아리움

review_score

review_percentage

controllertagwizard

Yes

Early Access Release Date

16 September 2025 – 00:00:00 UTC ()

First seen on SteamDB

7 November 2024 – 08:38:44 UTC (), in changelist #26085685

Supported Languages

6 Languages	Interface	Subtitles
English	Yes	Yes
Japanese	Yes	Yes
Korean	Yes	Yes
Polish	Yes	Yes
Simplified Chinese	Yes	Yes
Traditional Chinese	Yes	Yes

Assets

Load all asset images

clienticon

21659cd6410e37b2f7b309b86cec9af33a7ed251

clienttga

4a6d2ddecf6420c72702e9020947005a8057ea1a

icon

b867550d5a6abfababea74b65e4696675643dd68

small_capsule

english	5ab97e2e069151836d655d32191a406bfb2c2f14/capsule_231x87.jpg
japanese	614b9edfedca15ec6fcb6a7716675f37b1b7452e/capsule_231x87_japanese.jpg
koreana	844f2961dd4e2e9b873ad1ec66d60ae38b764dd1/capsule_231x87_koreana.jpg
schinese	1116e26bd879a2f99cd25c53ca32b4ecbbcd9bc8/capsule_231x87_schinese.jpg
tchinese	b2ae1b648c3c4eb2486aff3c0cf2de2d836b7d9a/capsule_231x87_tchinese.jpg

header_image

english	header.jpg
japanese	6b0cb7f606ed52846269a3fe1ff62094757fa333/header_japanese.jpg
koreana	19d258e37e8858d5cc803e1a80bf3ec9cd80122f/header_koreana.jpg
schinese	41e8645935cb624f5b1a2da02df948caddd7e8cf/header_schinese.jpg
tchinese	9fd2138a406e6b6a513462f58b1d2c8359978bb1/header_tchinese.jpg

library_assets_full

library_capsule ↴
image/english	38eab8ddfa5e9079422164a467064c5a88f0c716/library_600x900.jpg
image/japanese	0e27c7ef35a9be0db5d34abb3c6c4175a077c6be/library_600x900_japanese.jpg
image/koreana	397f737f2bf34d5527f534e185f34ba28d06a316/library_600x900_koreana.jpg
image/schinese	315f80f1f48a620961e3a90a7ecf323db0c7c6a6/library_600x900_schinese.jpg
image/tchinese	3324621b71b264690d2eb285ad1b8f68cce74a16/library_600x900_tchinese.jpg
image2x/english	38eab8ddfa5e9079422164a467064c5a88f0c716/library_600x900_2x.jpg
image2x/japanese	0e27c7ef35a9be0db5d34abb3c6c4175a077c6be/library_600x900_japanese_2x.jpg
image2x/koreana	397f737f2bf34d5527f534e185f34ba28d06a316/library_600x900_koreana_2x.jpg
image2x/schinese	315f80f1f48a620961e3a90a7ecf323db0c7c6a6/library_600x900_schinese_2x.jpg
image2x/tchinese	3324621b71b264690d2eb285ad1b8f68cce74a16/library_600x900_tchinese_2x.jpg
library_hero ↴
image2x/english	bbe11ac25cb456e3877fe06803203fc16155bfc4/library_hero_2x.jpg
image2x/japanese	ba60e1dd9ef25ad9503573af420d2416d624cf2a/library_hero_japanese_2x.jpg
image2x/koreana	ba60e1dd9ef25ad9503573af420d2416d624cf2a/library_hero_koreana_2x.jpg
image2x/schinese	ba60e1dd9ef25ad9503573af420d2416d624cf2a/library_hero_schinese_2x.jpg
image2x/tchinese	ba60e1dd9ef25ad9503573af420d2416d624cf2a/library_hero_tchinese_2x.jpg
image/english	bbe11ac25cb456e3877fe06803203fc16155bfc4/library_hero.jpg
image/japanese	ba60e1dd9ef25ad9503573af420d2416d624cf2a/library_hero_japanese.jpg
image/koreana	ba60e1dd9ef25ad9503573af420d2416d624cf2a/library_hero_koreana.jpg
image/schinese	ba60e1dd9ef25ad9503573af420d2416d624cf2a/library_hero_schinese.jpg
image/tchinese	ba60e1dd9ef25ad9503573af420d2416d624cf2a/library_hero_tchinese.jpg
library_hero_blur ↴
image/english	bbe11ac25cb456e3877fe06803203fc16155bfc4/library_hero_blur.jpg
image/japanese	ba60e1dd9ef25ad9503573af420d2416d624cf2a/library_hero_blur_japanese.jpg
image/koreana	ba60e1dd9ef25ad9503573af420d2416d624cf2a/library_hero_blur_koreana.jpg
image/schinese	ba60e1dd9ef25ad9503573af420d2416d624cf2a/library_hero_blur_schinese.jpg
image/tchinese	ba60e1dd9ef25ad9503573af420d2416d624cf2a/library_hero_blur_tchinese.jpg
library_logo ↴
image/english	7ca79d141c07dd762dfde71297b5bc959072ebf7/logo.png
image/japanese	bd1460d45d993bff713ccf1638446c0d92dc842e/logo_japanese.png
image/koreana	3bc1cdd08039a3f02a079b2dddfbb22420fc995a/logo_koreana.png
image/schinese	51171f66f9402fda4af3e6cff6aa6aad53c33a6b/logo_schinese.png
image/tchinese	47e1c77c18b625e48cdc029611404ffa6f678c9b/logo_tchinese.png
image2x/english	7ca79d141c07dd762dfde71297b5bc959072ebf7/logo_2x.png
image2x/japanese	bd1460d45d993bff713ccf1638446c0d92dc842e/logo_japanese_2x.png
image2x/koreana	3bc1cdd08039a3f02a079b2dddfbb22420fc995a/logo_koreana_2x.png
image2x/schinese	51171f66f9402fda4af3e6cff6aa6aad53c33a6b/logo_schinese_2x.png
image2x/tchinese	47e1c77c18b625e48cdc029611404ffa6f678c9b/logo_tchinese_2x.png
logo_position/pinned_position	CenterCenter
logo_position/width_pct	100
logo_position/height_pct	100
library_header ↴
image/english	4f3c4d4bbb24d506e48c4c9b1fbe1a24d1d0d468/library_header.jpg
image2x/english	4f3c4d4bbb24d506e48c4c9b1fbe1a24d1d0d468/library_header_2x.jpg

Assets

main_capsule	36dda207b32d21061882def9f2c24cd5bc651721/capsule_616x353.jpg
small_capsule	5ab97e2e069151836d655d32191a406bfb2c2f14/capsule_231x87.jpg
header	header.jpg
hero_capsule	d887bed137dc51887d341b5a13bfd522744831ef/hero_capsule.jpg
hero_capsule_2x	d887bed137dc51887d341b5a13bfd522744831ef/hero_capsule_2x.jpg
library_capsule	38eab8ddfa5e9079422164a467064c5a88f0c716/library_600x900.jpg
library_capsule_2x	38eab8ddfa5e9079422164a467064c5a88f0c716/library_600x900_2x.jpg
library_hero	bbe11ac25cb456e3877fe06803203fc16155bfc4/library_hero.jpg
library_hero_2x	bbe11ac25cb456e3877fe06803203fc16155bfc4/library_hero_2x.jpg
community_icon	b867550d5a6abfababea74b65e4696675643dd68.jpg
page_background_path	app/3338820
timestamp	16 September 2025 – 08:06:01 UTC

Trailers

257089904 ↴
trailer_name	Main Trailer
trailer_category	1
trailer_480p/video/webm	257089904/movie480_vp9.webm
trailer_480p/video/mp4	257089904/movie480.mp4
trailer_max/video/webm	257089904/movie_max_vp9.webm
trailer_max/video/mp4	257089904/movie_max.mp4
microtrailer/video/webm	3338820/814396/e183d680aacf596eb885874a499392ce00e5be2b/1750841746/microtrailer.webm
microtrailer/video/mp4	3338820/814396/e183d680aacf596eb885874a499392ce00e5be2b/1750841746/microtrailer.mp4
screenshot_medium	257089904/fc137b31895f579462c552cf4ba05106af218eb1/movie_600x337.jpg
screenshot_full	257089904/fc137b31895f579462c552cf4ba05106af218eb1/movie_full.jpg
trailer_base_id	814396
all_ages	true
is_highlight	true
timestamp	1737121095

Depots

ID	Configuration	Size	DL.
3338821	Windows	576.19 MiB	307.42 MiB
3338822	macOS	531.59 MiB	297.06 MiB
3338823	Linux	536.21 MiB	299.61 MiB

Total size on disk is 1.61 GiB and total download size is 904.09 MiB.

Total size on disk is 576.19 MiB and total download size is 307.42 MiB, when filtered to Windows, English, no DLC depots.

Branches

Name	Description	Build ID	Time Updated
public		19998665	16 September 2025 – 11:10:06 UTC

Other

Name	Value
privatebranches	1

My Joyful Aquarium

Additional Information

Supported Languages

Tags

Categories

Assets

Depots

Branches

Other