To find a character's defense, add all of the tiers of dice in the relevant Attributes, then add the character's Experience Tier

A round is an abstraction of time in which all the players in a scene get to do a few things. Each character in play gets one turn every round.

At the beginning of the action, each player rolls Initiative (Quickness/Intuition) to see who is the fastest to respond to the changing situation.

Any action can be a skill, so long as it is specific and is consistently used with the same two Attributes.

When you buy a new die in an Attribute the die always starts as a d4.

Characters’ growth is measured largely by how much experience they have acquired.

Having a bonus in a particular skill adds to the character's Precision when they roll for that particular action.

Rolls can be modified in a number of ways. The roll’s Precision or Impact can be raised or lowered or the dice pool can be modified before rolling. The GM can use any of the following to modify a player’s roll.

When one character is trying to directly damage another they will roll an Attack to see if they are successful and how much they hurt the other one.

The victor is the player who rolls highest on the critical threshold while meeting or surpassing the non-critical one.

When you attempt something and the GM decides there's a significant chance of failure, you will roll a check for the event.

A character's health has a few parts: Health Points, Vital Points, and Toughness.

The basic dice roll in MuDD involves rolling a pool of dice and choosing which of them you want to represent your actions.

Characters have eight Attributes: Power, Endurance, Finesse, Quickness, Willpower, Intuition, Charisma, and Smarts.