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Home / Warhammer III / Mods / The Crustacean Nation: Warhammer 3 Mod Guide
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The Crustacean Nation: Warhammer 3 Mod Guide

An overview of The Crustacean Nation, including its playable factions, units, requirements, known notes and installation.

Source date in supplied draft: 24 October 2026 · No in-game test performed.

Open primary Workshop listing ↗

AI concept art · not game footage

Original AI-generated crab-forge concept art; it is not gameplay or a Workshop screenshot.
Original AI concept art for this guide; not gameplay or a screenshot of the mod.
THE SHORT ANSWER

All evolutionary roads lead to crab, and Total War: Warhammer 3 is no exception. The Crustacean Nation by Pegaz adds a fully playable race of 🦀 Crustaceans — 9 major factions each with their own legendary lord and unique mechanics, 30 units, legendary heroes, and a handcrafted 8-page lore doc. It is a joke mod taken extremely seriously, and it has been featured by PC Gamer and Rock Paper Shotgun.

If you have ever wanted to dispatch a crack squadron of airborne prawns at your enemies, this is the mod. It feels like it could have been DLC in some universe where CA fully cracked.

In-game screenshot pending

Crab faction selection or a crab knight.

To be captured by the user from their own game installation. This space does not contain fabricated or AI-generated gameplay.

Placeholder — not an in-game image.

What Is Inside

  • 9 Major Playable factions — each with its own legendary lord and unique campaign mechanics.
  • 3 Minor factions, 3 Generic Lords, 3 Generic Hero types, 30 Units, 3 Legendary Heroes, plus 17 additional units/characters exclusive to specific factions.
  • Factions can be individually enabled or disabled via the Mod Configuration Tool (MCT).
  • Campaigns: Immortal Empires, Immortal Empires Expanded, and The Old World (Classic too).
  • Built-in support for Recruit Defeated Legendary Lords, Tabletop Caps: Reborn, Variant Selector, and an SFO submod by DoubleFishes.
  • An 8-page Google Doc of handcrafted lore for maximum 🦀 immersion.
In-game screenshot pending

Crustacean units or a faction mechanic.

To be captured by the user from their own game installation. This space does not contain fabricated or AI-generated gameplay.

Placeholder — not an in-game image.

Requirements & Installation

  1. Subscribe to Mixu's Unlocker (see our Mixu guide) — required.
  2. Subscribe to The Crustacean Nation.
  3. Enable in your Mod Manager, place MIXER first, and launch.
  4. Multiplayer note: it works in MP campaigns, but turn the Mod Configuration Tool OFF in MP to avoid issues.

Known Issues

  • The game sometimes stutters for a few frames when loading back from manual battles.
  • Audio glitches can occur in battles with many (30+) crustacean units.
  • Resource buildings share generic names/descriptions (cosmetic, author-acknowledged).

How to Get Help

  • The Under Empire Discord (#the-crustacean-nation) is the best place for support and compatibility — the author reads Steam comments but replies there.
  • The author also makes a Siege Remover mod (recommended if you hate sieges; works for all vanilla and modded factions).

Who Is This For

  • Yes if you want a humorous custom race with its own factions and mechanics.
  • Yes if you enjoy meme factions done with real production value.
  • No if you want a lore-strict, serious-only roster (this is unapologetically crab).

Verdict

A humorous custom race with a substantial list of factions, units and campaign systems. Free, funny, and weirdly deep. Subscribe Mixu's Unlocker, and the world's your oyster.

Mod & credit: The Crustacean Nation by Pegaz. Independent write-up; in-game imagery should be captured by you from your own installation.

Part of the WarhammerGuide WH3 Mod series. Related: Mixu collection · Lizardmen mods.

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