<a href='/D20'>D20</a> is a type of polyhedral die used in many <a href='/Role-playing'>role-playing</a> games. It is a 20-sided die with each side marked with a number from 1 to 20.
<a href='/D20'>D20</a> is a <a href='/Role-playing'>role-playing</a> game system that is based on the popular <a href='/Dungeons_&_Dragons'>Dungeons & Dragons</a> game. It is a set of rules and guidelines that allow players to create their own characters and adventures in a <a href='/Fantasy'>fantasy</a> world. The system is based on a 20-sided die, or