What are the rules of game Fitz?

There is no known game called "Fitz". It's possible it's a made-up name, or a regional variation of a more common game.

Could you please provide more context or information? For example:

* Where did you hear about this game?

* What kind of game is it? (Card game, board game, sports game, etc.)

* Do you know any of the gameplay elements?

With more information, I might be able to help you find the rules!