Arkham Horror: Oliver Grayson (Ally)

Arkham Horror: Oliver Grayson (Ally) supports 1–8 players according to the catalogue. This range comes from the publisher’s listed player count, so the game can be set up for any group size within it. Some setups, rules and scoring details may still vary by player count, so check your edition’s rulebook for the exact configuration.

The listed playing time for Arkham Horror: Oliver Grayson (Ally) is 240 minutes. This is the publisher’s estimate for a full game. The actual duration depends on the group, the player count and familiarity with the rules: first sessions usually run longer, while experienced groups often finish faster. Setup and teaching time are not included in this estimate.

Arkham Horror: Oliver Grayson (Ally) has a complexity rating of 3.2 out of 5 from BoardGameGeek players, which makes it a medium-weight game. The rating reflects how much rules knowledge, planning and decision-making a typical game demands. Expect a longer first teach for heavier games, and use a preparation guide before game night.

Arkham Horror: Oliver Grayson (Ally) belongs to these categories: Fighting, Horror, and Adventure. Its main mechanics are Variable Player Powers, Hand Management, and Dice Rolling. 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 catalogue lists Arkham Horror: Oliver Grayson (Ally) as an expansion for Arkham Horror. Expansions add new content, rules or scenarios to the base game and usually cannot be played on their own, so you need Arkham Horror to use it. Check that your edition of Arkham Horror is compatible, as some expansions were revised between editions.