2d 20D20s are used for resolving skill tests, and for rolling on certain large tables. Often, two or more d20s will be required. This is noted as Xd20, where X is the number of dice to be rolled.Lets you roll multiple dice like 2 D20s, or 3 D20s. Add, remove or set numbers of dice to roll. Roll the dice multiple times. You can choose to see only the last roll of dice. Display sumtotal of