What is Cortex Prime? Imagine a world-building tabletop RPG system where you and your players choose the genre, build the game, and forge the story from a set of modular rules mechanics. Cortex Prime helps you create a one-of-kind experience tailored to the way you and your friends like to play to bring to life an experience you will never forget.

From the creators of D&D Beyond and continuing the award-winning Cortex legacy, Cortex Prime provides a complete game toolkit that is:

Cortex Prime offers the options you need to harness the power of your imagination and inspire new stories, from single session one-shots to epic adventures spanning years.