Set in Massachusetts in 1924, this adventure draws on H.P. Lovecraft’s mythology. Its central mystery begins when Arthur Pendleton, owner of a detective agency, and his colleagues Detective Aloysius Monroe and Professor Webley come into possession of an eerie black stone. Their investigation into its cosmic origins brings them into conflict with madness, cultists and horrors, giving the game a supernatural detective premise rather than a conventional fantasy quest.
The game combines exploration with role-playing combat. Its description highlights fully realised towns and buildings, alongside challenging enemies and a classic active-time-battle system in which the team can cast spells. Custom spell learning and detailed level-up displays add character development choices to that structure. Period visuals reinforce the 1924 setting, while the mix of investigation, exploration and party-based encounters gives the adventure its particular Lovecraftian character.
The store lists The Dark Stone from Mebara as a single-player game. That format frames its player-count context: the documented experience centers on a detective team’s story and RPG systems, not multiplayer sessions.