Cortex Hacker's GuideCortex Plus is the basic system underlying Margaret Weis Productions’ newer RPGs, Marvel Herioc Roleplaying, Leverage, and Smallville. The Cortex Plus Hacker’s Guide is a sampling—albeit a large sampling—of guides, optional rules, settings, and sample scenarios for the system.

Some of the specific sections included in the book are: “How to Hack Cortex Plus”, “Hacking Stress”, “The Kingdom as a Character”, “Vampville”, “Episodes at the End of Time”, and “Fantasy Heroic Roleplaying”.