The designer of So, You've Been Eaten. created this game as a way to deal with his ongoing Crohn's Disease. In partnership with his editor (LudiCreations), he created a small mini-expansion to raise money that can help fight Crohn's Disease. This is Confused Immune System.
The Confused Immune System is a small mini-expansion, similar in size to Dyspepto-Beastmol. It emulates how an immune system, while necessary to one's health, can overreact and become a burden.
All benefits from this mini-expansion will be donated to Crohn's & Colitis Foundation.
A digestive system can be a complicated space. Most of the times it can take a lot of punishment, but some other times it can overreact. You need to be careful in managing its reactions to your actions. In So, You’ve Been Eaten.: Confused Immune System, the Beast will have to do their best to make sure their autoimmune response is not too aggressive, and the miner will try to agitate things.
There are points up for grabs for the player who can control autoimmune tiles most effectively.
—description from the rulebook