Price: $20.00 - $16.50
(as of Jan 15, 2026 21:08:14 UTC – Details)
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? I Should Have Known That! Is An Addictively Entertaining Trivia Game With Over 400 Questions About Things That You Should Know. In Contrast To Traditional Trivia Formats, You Don’T Receive Points For Answering Questions Correctly. Instead, Points Are Subtracted For Every Incorrect Answer! Be Prepared To See How Much You Know Without Google And Wikipedia At Your Fingertips! This Fast-Paced And Hilarious Game Assures Nonstop Brain Freezes, Laughs, And Embarrassing Answers! One Thing Is For Sure: It Will Only Be A Matter Of Time Before You Hear Yourself Say Doh! I Should Have Known That!Perfect For Your Next Party Or Dinner With Friends And Family!
Age: 14+ / Players 2+
Package Dimensions : 6″ L x 6″ W x 2″ H
Country of origin : Poland
13 reviews for I should have known that! – A Trivia Game About Things You Oughta Know, Green
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Brandon C –
Great family friendly game for really all ages.
As simple as this game is, it’s super fun to play with friends and family. Either play as individuals or as teams. We played boys vers girls, I won’t tell you who one, but when you don’t know an answer you will likely say duh I should have known that. It’s a solid card game with many ways to play and is fully enjoyable. Family and friends as me to bring it to gathering in hopes we can play it again. I wish Amazon would sponcer my reviews, because I will thorough and unbias. And I love tech and games, but until I get the invite I’ll continue giving my unbias opinions to all you good people. You’ll really like this game 🙂
Amazon Customer –
Very nice
So fun!!! Not a ton of directions, can go through it quickly if you want to not lose interest. Quality cards and great questions.
Amazon Customer –
Lives up to its name
My friends and I enjoyed playing this trivia game. Most questions were familiar enough to answer easily, with some that stumped us thrown in. The game lived up to its name as we found ourselves saying, “I should have known that!”
beth –
Sorta hard questions. But a lot of fun.
Alls I can say is I should have payed attention in school more. Nice sturdy cards with four questions on one side and on the other side are the answers. If you get a question wrong, it tells you how many to subtract from your starting point which could be 50 points or more. Easy game to learn. Fun for the family. My husband and I played together. Would be a lot of fun with more people. It seemed my husband got the easy questions and I got the hard ones. Worth the money. Would recommend.
Shirob –
fun game
Family fun of trivia. brought lots of laughs.
GenX –
Fun trivia game for a family
Its nice fun but many questions are strange in that they cannot be easily answered. Nice for general trivia.
JM –
A perfect game for a fun, laughter‑filled night!
We played I Should’ve Known That! over Christmas and had an absolute blast. It strikes the perfect balance between easy questions that make you feel brilliant and tougher ones that keep everyone on their toes. No matter your skill level, there’s something in it for you.We had so many laughs, a few “I can’t believe I didn’t know that!” moments, and a ton of fun from start to finish. It’s definitely going to be a repeat game for future gatherings
LAB –
Fun and Easy to Play
Purchase this game to have something different to play on Christmas day. Very easy to play since it’s just a list of questions. We chose not to keep score and if the person did not know the answer, we would then open it up to the group. Was entertaining.
Mike –
Great game for single, or pairs; start with 50 points and each question has a points value which is deducted if wrong answer. Winner is most retained points when others have none left. Great questions, stimulates the brain , good fun and easy to play.
Marilina Pianosi –
Purtroppo è scritto tutto in inglese. Un vero peccato.
superslim –
Good fun … wide range of questions!
ITS ME –
We play this with friends often and always enjoy!
Amanda –
Eu uso esse jogo com meus alunos, eles adoram!