Welcome to Arkham

Call of Cthulhu: Arkham is the definitive guide to the signature setting of Call of Cthulhu.
With 25+ maps and 290 locations detailed across 9 neighborhoods, Call of Cthulhu: Arkham is the perfect supplement for a sandbox-style campaign. The compendium contains Gossip & Rumors to use as scenario seeds, and over 80 fully-detailed NPCs with their own secrets to discover.
Play the Way Your Want

The Roll20 Mod Scripts (formerly known as API scripts) system is unique in that it runs your own code on our servers so you can customize your games to play exactly how you want.
We’re pleased to announce that we’ve got a major update for the Mod Scripts system on the way! Look forward to a modern overhaul, better logging and performance, and more support for new functionality.
Last Chance for the Loke Battle Maps Terrain Set!
Loke Battle Maps invites you to create your own custom RPG maps with two Books of Battle Mats featuring terrain maps and reusable scenery stickers. The Terrain Set includes fantasy outdoor terrain maps covering essential biomes, offering unrivalled adaptability with beautiful scenery features.
The ‘Roll20 Digital Terrain Master’ reward level includes Roll20 configured versions of the maps, tokens, and adventure.
Make every adventure legendary and budget-friendly with awesome Roll20 conversions:
Return of the Runelords
NEW! $24.99
Enter: Hydra Remastered
FREE! $0.00
Esper Genesis Core Bundle$119.97 $99.99
Your new favorite games are waiting on DriveThruRPG and DMsGuild:

Sigil’s Secret Menu
HOT! $4.95

Project SunFlower
NEW! $19.95





