Cortex isan RPG rules system developed by Margaret Weis Productions, and is used in their licensed RPG games like Leverage, Smallville, and Marvel Heroic Roleplaying.

The Cortex Plus: Hacker’s Guide gives you articles, essays, and three complete reference documents to bring action, drama, and heroic fantasy to your game table. From science fiction to school yards, from the end of time to the outskirts of imagination, the building blocks of your next Cortex Plus game are right here!