I needed to save my brain. White squares were for blue yarn, black squares were for white yarn. Ouch! It was hard enough to get into juggling two strands and remembering the rhythm of the row’s pattern without adding Opposite Day to the mix. There’s knitting for the win and there’s Calvinball.
Handmade Homeschool 
Do you watch New Girl? They play a game called “true American” which is just like Calvinball but with beer and occassionally a little nudity.
http://www.buzzfeed.com/lyapalater/true-american-is-the-next-big-drinking-game