Megaquarium Update — Mod Compatibility Status & Broken Mods List

6/5/2026 — v5.1.5 patch

🧠 What This Means for Modders

v5.1.5 patch — a general update — most mods survive, but check the broken list below. Roll-back guide →

📋 Patch Notes

[p]Dear Curators,[/p][p]A few small bug fixes this time. Details below.[/p][p]Tim Twice Circled[/p][h3]v5.1.5 Changelog[/h3][list][*][p]Fixed bug: Schooling Bannerfish had a warning icon but nothing listed unless Invertebrilliant DLC was installed.[/p][/*][*][p]Modding: menuTag is now added to tags automatically on load giving better forward and back compatibility with custom objectives.[/p][/*][*][p]Modding: Blue and Red Slushie sales are now tracked separately for custom objectives.[/p][/*][/list]

📄 Read the full patch notes on Steam →

✅ Mods Updated for This Patch (0)

These mods were updated after the patch — safe to use on the current version.

None yet.

⚠️ Mods That May Be Broken (0)

These native mods may not work until the author updates them. Everything else is unaffected — .esp, texture, and Papyrus-script mods are version-independent and survive patches.

None yet.

📋 Browse Megaquarium Mods

↩️ How to Roll Back / Downgrade

Steam: open the Steam console (steam://nav/console) and run `download_depot <appid> <depotid> <manifestid>` to download the pre-update build, then copy those files over the updated ones. Set the game to "only update when I launch" (Properties → Updates). Always back up the game folder before a patch.

🕘 Previous Updates

Older Megaquarium updates — click to read each patch note.