There are many rules in life. Jethro Gibbs has a series of them, all numbered.
The rules for No Dice are thankfully few and quite simple. Mostly they involve scoring points.
The Rules Booklet is free to download and print. It’s designed to print double sided and be folded in four for inclusion in the No Dice boxes. Every box from the initial production has a copy inside.
There have been some variations suggested, which are listed here.