The Arkham Horror roleplaying game supports 1 game master and up to 5 players, recommended for ages 14 and up. It uses the Dynamic Pool System (DPS) for streamlined gameplay, making it accessible for both new and experienced players. The box contains a full campaign, 5 character portfolios, 24 dice, tokens, and 3 double-sided maps. Gameplay is structured in scenes and acts, allowing for flexible session lengths and varied team strategies. Players work against time to confront an ancient threat, with strategic decision-making and illustrated components enhancing the experience.