Irrational Game

  • Age12 years and up
  • GenderBoys and Girls
  • Players2 players
Download the game rules!

Q: Were people happier when they spent money on themselves or on someone else?
Q: In a tug of war, did tuggers put more effort or less effort into tugging when they were on a team compared to when they tugged as individuals?
Q: In grocery stores, were people more likely to buy a jar of jam if they could sample from among 6 flavors or 24 flavors?
The answers are in the product description below!


Product Description:
Irrational Game is a fun Party Game invented by Bestselling Author and Duke Professor Dan Ariely. It includes 105 thought-provoking questions backed up by scientific research. Irrational Game sparks great discussions that can change the way players make real-life decisions.

How well can YOU predict human nature? Human nature is a funny thing, so it’s no surprise that we’re not always rational. But are we ever rational? In this thought-provoking, fun, and engaging game, players second-guess human nature by predicting decisions people will make. The answers are backed up by research, and each card explains why we act the way we do. But the best part is the discussions it sparks . . . and the way players can use insights from the game to understand how they make decisions, and to make better decisions that will enrich their lives. And the answers to the above questions are: “When they spent money on other people (although they thought they would be happier by spending money on themselves),”“They put in more effort when they pulled as individuals,” and “Ten times more likely when there were just 6 flavors.”


Watch this quick video to learn how to play!


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