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Megaquarium

Wishlist Follow Ignore Install Unwatch Watch
App ID 600480
App Type Game
Developer
Publisher Twice Circled
Supported Systems Windows macOS Linux
Technologies Unity Engine
Last Changenumber 31628357
Last Record Update 12 October 2025 – 23:15:08 UTC ()
Release Date 13 September 2018 – 07:01:00 UTC ()
😍 91.31%
3k reviews
39
In-Game
🖥️ Simulation 😌 Casual 🏠 Building 🧱 Sandbox 💼 Management

The public aquarium simulator. Design your displays, look after your fish, manage your staff and keep your guests happy! It's all in a day's work as the curator of your very own Megaquarium.

Additional Information

Developer Twice Circled
metacritic_name Megaquarium
metacritic_score 69
metacritic_fullurl https://www.metacritic.com/game/pc/megaquarium?ftag=MCD-06-10aaa1f
community_visible_stats Yes
workshop_visible Yes
DLCAvailableOnStore Yes
ReleaseState released
Publisher Twice Circled
Store Release Date 13 September 2018 – 07:01:17 UTC ()
osarch 64
community_hub_visible Yes
Primary Genre Simulation (28)
Store Genres Casual (4), Indie (23), Simulation (28), Strategy (2)
Steam Release Date 13 September 2018 – 07:01:00 UTC ()
Store Asset Modification Time 17 June 2025 – 08:19:04 UTC () (1750148344)
library_assets
library_capsuleen
library_heroen
library_logoen
library_headeren
logo_position ↴
pinned_positionBottomLeft
width_pct46.538883111773146
height_pct100
osextended macos64
review_score 9
review_percentage 95
Detected Technologies (?) Unity Engine
Steam Deck Compatibility
  • Steam Deck:
  • This game sometimes shows mouse, keyboard, or non-Steam-Deck controller icons
  • Entering some text requires manually invoking the on-screen keyboard
  • All functionality is accessible when using the default controller configuration
  • 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: Entering some text requires manually invoking the on-screen keyboard
  • 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: Playable
  • steamos_compatibility: Compatible
  • test_timestamp: 2 March 2022 – 00:00:00 UTC
  • tested_build_id: 7894800
  • configuration:
    supported_inputgamepad
    requires_manual_keyboard_invoke1
    requires_non_controller_launcher_nav0
    primary_player_is_controller_slot_01
    non_deck_display_glyphs1
    small_text0
    requires_internet_for_setup0
    requires_internet_for_singleplayer0
    recommended_runtimeproton-7.0-1
    requires_h2640
    requires_voice_files0
    gamescope_frame_limiter_not_supported0
    hdr_support0
First seen on SteamDB 22 February 2017 – 10:58:22 UTC (), in changelist #2728872

Supported Languages

10 Languages Interface Full Audio Subtitles
English Yes
French Yes
German Yes
Spanish - Spain Yes
Polish Yes
Russian Yes
Simplified Chinese Yes
Portuguese - Brazil Yes
Italian Yes
Japanese Yes

Tags

🖥️ Simulation 😌 Casual 🏠 Building 🧱 Sandbox 💼 Management 🌊 Underwater 🦎 Creature Collector 🧸 Cute 🧘 Relaxing 📊 Resource Management 🌱 Indie 🛠️ Moddable 🏦 Economy 👪 Family Friendly 🎣 Fishing 💡 Strategy 👤 Singleplayer 🤑 Capitalism 🌆 Isometric 🧊 3D

Categories

Single-player Steam Achievements Steam Workshop Steam Cloud Family Sharing Cloud Gaming Cloud Gaming (NVIDIA)

Assets

Load all asset images
clienticon bb9f346dac5c9e3a9970d8f4ff6c7c2808533b86
clienttga 597d3350945ae1bdf445d401fc7629b70f5f92e4
icon 0ae9dbf6dd54e0de796f07b470a72d4a5c348b7b
logo 86a520e7705971d7f8743c8950abee78a22042c3
logo_small 86a520e7705971d7f8743c8950abee78a22042c3_thumb
small_capsule
englishcapsule_231x87.jpg
header_image
englishheader.jpg
library_assets_full
library_capsule ↴
image/englishlibrary_600x900.jpg
image2x/englishlibrary_600x900_2x.jpg
library_hero ↴
image/englishlibrary_hero.jpg
library_logo ↴
logo_position/pinned_positionBottomLeft
logo_position/width_pct46.538883111773146
logo_position/height_pct100
image/englishlogo.png
image2x/englishlogo_2x.png
library_header ↴
image/englishlibrary_header.jpg
Assets
main_capsulecapsule_616x353.jpg
small_capsulecapsule_231x87.jpg
headerheader.jpg
page_backgroundpage_bg_generated_v6b.jpg
hero_capsulehero_capsule.jpg
library_capsulelibrary_600x900.jpg
library_capsule_2xlibrary_600x900_2x.jpg
library_herolibrary_hero.jpg
community_icon0ae9dbf6dd54e0de796f07b470a72d4a5c348b7b.jpg
page_background_pathapp/600480
raw_page_backgroundpage_bg_raw.jpg
timestamp17 June 2025 – 08:20:39 UTC
Trailers
175149 ↴
trailer_namePre-release Trailer
trailer_category0
trailer_480p/video/webm256723700/movie480.webm
trailer_480p/video/mp4256723700/movie480.mp4
trailer_max/video/webm256723700/movie_max.webm
trailer_max/video/mp4256723700/movie_max.mp4
microtrailer/video/webm600480/175149/c21b3c2313ef7dc49742f8c1ef257bb0ee9b62ac/1750559980/microtrailer.webm
microtrailer/video/mp4600480/175149/c21b3c2313ef7dc49742f8c1ef257bb0ee9b62ac/1750559980/microtrailer.mp4
adaptive_trailers/0/cdn_path600480/175149/c21b3c2313ef7dc49742f8c1ef257bb0ee9b62ac/1750559980/dash_av1.mpd
adaptive_trailers/0/encodingdash_av1
adaptive_trailers/1/cdn_path600480/175149/c21b3c2313ef7dc49742f8c1ef257bb0ee9b62ac/1750559980/dash_h264.mpd
adaptive_trailers/1/encodingdash_h264
adaptive_trailers/2/cdn_path600480/175149/c21b3c2313ef7dc49742f8c1ef257bb0ee9b62ac/1750559980/hls_264_master.m3u8
adaptive_trailers/2/encodinghls_h264
screenshot_medium256723700/movie.293x165.jpg
screenshot_full256723700/movie_full.jpg
all_agestrue
is_highlighttrue
timestamp1591734968

Depots

ID Configuration Size DL.
600481 Windows Megaquarium Windows 495.84 MiB 243.39 MiB
600482 macOS Megaquarium OSX 497.72 MiB 243.19 MiB
600483 Linux Megaquarium Linux 507.01 MiB 245.46 MiB
1315300 Windows Linux DLC 1315300Megaquarium: Freshwater Frenzy - Deluxe Expansion - Windows and Linux 66.59 MiB 27.33 MiB
1315301 macOS DLC 1315300Megaquarium: Freshwater Frenzy - Deluxe Expansion - OSX 66.59 MiB 27.33 MiB
1339440 Windows Linux DLC 1339440Megaquarium: Architect's Collection - Windows and Linux 54.80 MiB 20.62 MiB
1339441 macOS DLC 1339440Megaquarium: Architect's Collection - OSX 54.80 MiB 20.62 MiB
2574770 Windows Linux DLC 2574770Megaquarium: Deep Freeze - Deluxe Expansion 110.97 MiB 41.25 MiB
2574771 macOS DLC 2574770Megaquarium: Deep Freeze - Deluxe Expansion 110.97 MiB 41.25 MiB

Total size on disk is 1.92 GiB and total download size is 910.45 MiB.

Total size on disk is 495.84 MiB and total download size is 243.39 MiB, when filtered to Windows, English, no DLC depots.

Branches

Name Description Build ID Time Updated
public 20237180 3 October 2025 – 11:38:10 UTC
beta Early access to new features. Unstable. 20237180 3 October 2025 – 11:37:46 UTC

Other

Name Value
workshopdepot Megaquarium (600480)
hasdepotsindlc 0
baselanguages English
privatebranches 1
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