Which Hoyle board games has zen bones?

"Zen Bones" is not a term used in Hoyle board games.

It's possible you're thinking of:

* "Bone Dice" which are used in some Hoyle games like "Yahtzee" and "Farkle."

* "Dominoes" which are sometimes referred to as "bones" and are used in many Hoyle games.

* "Bones" as a slang term for dice in general, which is common in gambling circles.

If you can provide more context about the game or the specific term "Zen Bones", I can help you further.