Calvinball is a game from the "Calvin and Hobbes" comic. The only rule is that it can never be played the same way twice.
In this game, post what you do and what effect that has on the game, e.g. giving you or someone else points, taking away points, activating a new rule, etc.
Here we go:
I start by kicking the ball into the "out of bounds" bucket. All opponents are now required to close one eye.