What is a 20 sided dice called?

A 20-sided dice is a polyhedral dice with 20 faces, numbered from 1 to 20. It is typically used in tabletop role-playing games such as Dungeons & Dragons, where it is commonly referred to as a d20.

The d20 is often used to determine the outcomes of various actions and events in the game, such as attacks, saving throws, and skill checks. Players roll the d20 and add modifiers to the result to determine the final outcome.

In addition to tabletop games, d20s are also used in various board games, educational games, and probability exercises. They are available in a variety of colors and materials, such as plastic, metal, or resin.

Overall, the 20-sided dice is a versatile and essential tool in many games and activities that require randomization and chance.