
- BGG rank
- BGG #778
- BGG rating
- 7.7
Bloodborne: The Board Game
- 1–4 players
- 45–75 min
- Complexity 3.1/5
- 2021

Expansion for Masters of the Universe: The Board Game – Clash for Eternia
2022
Rules assistance for Masters of the Universe: The Board Game – Assault on Castle Grayskull
Plain-language explanations of turns, card effects and disputed situations, with official source references and saved question history.

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Answers come from the official rulebook, with the page to check.
Masters of the Universe: The Board Game – Assault on Castle Grayskull is an expansion for Masters of the Universe: The Board Game – Clash for Eternia released in 2022. It was designed by Michael Shinall and Leo Almeida and its main mechanics are Cooperative Game and Scenario / Mission / Campaign Game.
Assault on Castle Grayskull’s new game mode puts players into one of two teams: the aggressors, who are attempting to take down the castle walls to gain control of Castle Grayskull, and the defenders, who must attempt to withstand the siege and protect its magical secrets. This expansion brings powerful tools for both defenders and aggressors alike. As the game progresses, you will choose powerful Upgrades that aid you in your attack or defense of Grayskull: Should you play as the defender, you will have the castle’s full array of tools at your disposal. Build a mighty Laser Turret to rain down firepower on your foes! Raise your Banners high to grant boosts to your troops! As the aggressor, cunning strategies and tools are available to you as you plan your assault: Force Shields, Battle Ladders, and more are at your disposal. —description from the publisher Expansion comes with 2d castle overlay. Plastic Castle Greyskull must be purchased separately.
Masters of the Universe: The Board Game – Assault on Castle Grayskull belongs to these categories: Fantasy, Miniatures, and Expansion for Base-game. Its main mechanics are Cooperative Game and Scenario / Mission / Campaign Game. Categories describe the theme and setting of a game, while mechanics describe what players actually do on their turns. Each mechanic links to a catalogue hub with similar games, which helps when you want something comparable.
The credited designers of Masters of the Universe: The Board Game – Assault on Castle Grayskull are: Michael Shinall and Leo Almeida. These credits come from the published game data and name the people responsible for the game’s design, not its illustrators or publishers. Designer pages on MeepleRules collect other titles by the same designers, which helps when you enjoy a game and want to find similar ones.
The catalogue lists Masters of the Universe: The Board Game – Assault on Castle Grayskull as an expansion for Masters of the Universe: The Board Game – Clash for Eternia. Expansions add new content, rules or scenarios to the base game and usually cannot be played on their own, so you need Masters of the Universe: The Board Game – Clash for Eternia to use it. Check that your edition of Masters of the Universe: The Board Game – Clash for Eternia is compatible, as some expansions were revised between editions.