I Should Have Known That! Game

Is starboard on the left or right side of a boat? How do you say “japan†in japanese? Is a penguin a bird? How long did sleeping beauty actually sleep?
In contrast to traditional trivia formats, you don't receive points for answering questions correctly. Instead, points are subtracted for every incorrect answer!
Contains 110 cards with more than 400 questions about things that you should know
An addictively entertaining trivia game where it will only be a matter of time before you hear yourself say "I should have known that!"