A roleplaying game, often abbreviated as RPG, is a game in which players assume the roles of characters in a fictional setting. There are many synonyms for RPG, such as tabletop RPG, pen-and-paper RPG, and live-action RPG. Tabletop RPGs are played around a table and usually involve dice rolling, character sheets, and rule books. Pen-and-paper RPGs refer to games played using written materials, which can include character sheets, maps, and notes. Live-action RPGs involve physical interaction and are often played outdoors, with players acting out their character's actions and engaging in combat. Other synonyms for RPG include narrative game, story game, and adventure game.