Calvinball is a fairly unique invention in Calvin and Hobbes, but it is somewhat simple to understand the game's otherwise complicated rules.

"People have asked how to play Calvinball. It's pretty simple: you make up the rules as you go." The game was played by Calvin and his possibly imaginary tiger Hobbes. Semi-consistent features ...

As the end of the year fast approaches, employers and employees everywhere are embarking upon the annual exercise of the performance review. For too many, this experience is less like a genuine ...