Roll a D20

2d 20 D20s 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.. Publisher blurb: The 2d20 system is a dynamic, narrative system, desned to produce varied and interesting results from dramatic and action

2d 43, With Roll A Dice & Dice Roller, you can roll 4, 6, 10, or 20 dice. Have a specific number of dice to roll? A user-friendly interface will allow you to change the total number of rolls with just one click..