Unsubscribe afterwards: https://www.fanatical.com/en/account/contact

Steam link for those who want to read more before doing the newsletter sub/unsub dance:

https://store.steampowered.com/app/372210/Spooky_Cats/

It's only $0.74 (75% off) on Steam right now.

Forced to subscribe to the email marketing, had to wait a few minutes for the fact I was subscribed to show in my account so I could unsubscribe again. Stupid crap.