Catastrophic Version 1.0
The Catastrophic game (card designs and rules) are defined under the Creative Commons License Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0). Please include "Pen Holland, Ben Kirman, Kerry Knox, Ruta Czaplinska, Rosie Murton, Matthew Shepherd, Matthew Topham, Katylily Westbury-Hawkins, 2018. Catastrophic Version 1.0. University of York, UK. catastrophic.york.ac.uk" in your credits.
You can download cards and printable rules below, and/or read a web-ready version of the 1.0 rules.