CORE Micro + PDFA simple and unique RPG system fusing traditional concepts & narrativist techniques for character driven emergent story. A hybrid RPG system, CORE fuses traditional RPG concepts with narrativist techniques for character driven emergent story. Design focus is on simplicity, speed, and improvisation. Everything is on the same scale. All actions use a single Yes No And But mechanic. Results are narratively interpreted. And it's built to be hacked.