Articles about supplement
GURPS Steampunk is a steampunk supplement for Steve Jackson Games's GURPS role playing game.
Organic lawn fertilizers and weed control provide an organic alternative to chemical lawn care supplements.
In Strange Aeons: Lovecraftian Numenera by Monte Cook is a short role playing game supplement on incorporating the works of H. P. Lovecraft into the Numenera setting.
Arcana Journal #1 is the first in a series of generic role playing game supplements that cover the Arcana setting and supplement the Arcana Core Book.
Miskatonic University is a supplement for the Call of Cthulhu role playing game detailing H. P. Lovecraft's universoty in the town of Arkham.
SteamCraft - Wake the Dead is a series of three steampunk adventures for the SteamCraft game and setting.
Zobeck Gazetteer (Pathfinder RPG) by Wolfgang Baur is a role playing game supplement detailing the independent city-state of Zobeck for the Pathfinder game system.
Clockwork & Cthulhu is a role playing game supplement set during an alternate version of the English Civil War, where clockwork creatures help on the field of battle and the Mythos setting of H. P. Lovecraft is an influence.
I am Mongoose, and so can you! by Matthew Sprange is a book on how to create a company in the role playing game industry by someone who has done so.
The Arcana Core Book is the main book for the generic role playing game supplement setting Arcana.
Mansions of Madness is a collection of five scenarios around the central theme of haunted houses, published by Chaosium Inc. for use with the Call of Cthulhu role playing game.
A Necromancer's Grimoire - The Wonders of Alchemy is a role playing game supplement for the Pathfinder game that provides new options for the Craft (alchemy) skill.
Keeper's Compendium: Blasphemous Knowledge & Forbidden Secrets by Keith Herber is an assortment of details useful for the Keeper in a Call of Cthulhu role playing game.
Arkham Unveiled is a role playing game supplement for Call of Cthulhu that covers the fictional town of Arkham, setting for many of H. P. Lovecraft's stories.
Return to Dunwich is a role playing game supplement for Call of Cthulhu that covers the village of Dunwich, scene of H. P. Lovecraft's story The Dunwich Horror.