Mysterium is a cooperative board game where players work together to solve a ghost's mystery through clue-guessing gameplay. It's designed for children 10 and up, contains no violence or inappropriate language, and offers both single-player and online multiplayer options. The mild horror theme (ghost setting) is non-threatening and suitable for the intended age group.
Ratings based on ESRB classification, RAWG metadata, and editorial analysis. Updated March 2026.
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