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Megaquarium

Megaquarium

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🛠️ Megaquarium update history

Official announcements the developer posts on Steam—patches, new content, and events—sorted by date. Click a title to read the full post.

Latest update · Jun 5
🛠️ v5.1.5 patch Version 5.1.5
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June 2026

  • 6/5Fri
    🛠️ Patch / update v5.1.5
    v5.1.5 patch

    Dear Curators,A few small bug fixes this time. Details below.Tim Twice Circledv5.1.5 ChangelogFixed bug: Schooling Bannerfish had a warning icon but nothing listed unless Invertebrilliant DLC was inst…

April 2026

  • 4/20Mon
    🛠️ Patch / update v5.1.4
    v5.1.4 patch

    Dear Curators,Just a single bug fixed, introduced 2 patches ago with the optimisation updates.Tim Twice Circledv5.1.4 ChangelogFixed bug: simulation stalled if you added lights to a polar dome, saved …

  • 4/16Thu
    🛠️ Patch / update v5.1.3
    v5.1.3 patch

    Dear Curators,This patch contains bug fixes.Tim Twice Circledv5.1.3 ChangelogFixed bug: game was giving 'eat or damage' warnings incorrectly for Button Polyps (heavily armored).Fixed bug: minor issue …

  • 4/2Thu
    🛠️ Patch / update v5.1.2
    v5.1.2 patch

    Dear Curators,This patch contains bug fixes and some minor performance improvements that could help very large aquariums.Tim Twice Circledv5.1.2 ChangelogOptimisation: Reduced the frequency of multi-t…

March 2026

  • 3/25Wed
    🛠️ Patch / update v5.1.0
    v5.1.0 Replay the base campaign with collection DLCs plus other improvements

    Hello Curators,It's been a busy time since the launch of the Invertebrilliant Collection last month. Thank you to everyone who purchased the DLC, and welcome to all the new players who have joined us …

  • 3/16Mon
    🛠️ Patch / update v5.0.14
    v5.0.14 patch

    Dear Curators,This patch is mostly bug fixes, but there are a couple of niceties such as pumps reconnecting automatically after moving and some extra info regarding mounting points while placing coral…

February 2026

  • 2/25Wed
    📢 Announcement
    v5.0.X patches

    Dear Curators,All patches associated with the v5.0 release will be combined into this post to keep things tidy.Tim Twice Circledv5.0.13 ChangelogFixed bug: Calcium Reactor was not available in 3. Sula…

  • 2/25Wed
    📢 Announcement
    Megaquarium: Invertebrilliant Collection is out now!

    Megaquarium's latest expansion is out now! A huge gameplay update has also gone live. For more information on what was included, check out these blog posts:Convert to capsule:If anyone notices any bug…

  • 2/18Wed
    🛠️ Patch / update
    The Big Update - Gameplay Changes

    New DLC!If you've not heard, Megaquarium's getting a new DLC. Head over to the store page for a rundown of what's included. Remember to wishlist if you want a reminder on the day it comes out. Free up…

  • 2/12Thu
    📢 Announcement
    New Tanks, new design challenges - Megaquarium: Invertebrilliant Collection

    New DLC!If you've not heard, Megaquarium's getting a new DLC. Head over to the store page for a rundown of what's included. Remember to wishlist if you want a reminder on the day it comes out. Zooming…

  • 2/5Thu
    🛠️ Patch / update
    The Big Update - UI improvements

    New DLC!If you've not heard, Megaquarium's getting a new DLC. Head over to the store page for a rundown of what's included. Remember to wishlist if you want a reminder on the day it comes out. Free up…

  • 2/2Mon
    🛠️ Patch / update v4.2.8
    v4.2.8 patch

    Hello Curators,No major changes. Another small patch fixing minor sandbox issues. Details are available in the changelog.Tim Twice Circledv4.2.8 ChangelogFixed bug: In Sandbox, various side objectives…

January 2026

  • 1/30Fri
    🛠️ Patch / update v4.2.7
    v4.2.7 patch

    Hello Curators,There are no major changes in this update, a player made me aware of an issue that needed an immediate fix. Details are available in the changelog.That "big" update is coming alongside …

  • 1/29Thu
    📢 Announcement
    Backdrops and Centerpieces - Megaquarium: Invertebrilliant Collection

    New DLC!If you've not heard, Megaquarium's getting a new DLC. Head over to the store page for a rundown of what's included. Remember to wishlist if you want a reminder on the day it comes out. A new w…

  • 1/22Thu
    📢 Announcement
    Announcing Megaquarium: Invertebrilliant Collection!

    Announcing a brand new expansion for Megaquarium: Introducing the Invertebrilliant Collection! This expansion focuses on the world of invertebrates, featuring 15 brand new invertebrates for your colle…

Source: official Steam announcements (updated every 6–24 hours). Titles and summaries are copyright of the original developers.