roleplaying game

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun games A type of game where one or more players assume the role of characters (usually one each), and interact with a fictional world either defined by themselves or through the mediation of a player known as the game master.
• noun video games A type of computer game where the player takes the role of a character or party, normally lacking tests of physical skill and including more story-telling and narrative aspects than traditional action games.