Arkham Horror RPG - Arkham Mysteries

The scenarios here really capture the eerie atmosphere of Arkham—each one feels like a genuine threat lurking just around a foggy corner.

I grabbed this to run a one-shot for my group and we ended up playing well past midnight. The way each chapter dangles a different threat over the city makes it easy to chain a few together or just pull one out when someone cancels last minute.

The adventure book gives you several distinct threats to throw at your players without needing to prep a whole campaign first. I ran the supernatural mystery on a weeknight and we were done in one sitting. The variety of dangers threatening the city keeps it from feeling like one long chase scene.