Wikipedia defines metagaming as: a broad term usually used to define any strategy, action or method used in a game which transcends a prescribed ruleset, uses external factors to affect the game, or goes beyond the supposed limits or environment set by the game. Another definition refers to the game universe outside of the game itself.
In simple terms, it is the use of out-of-game information or resources to affect one’s in-game decisions.
While in other games metagaming is generally more accepted or even “required” (think of famous chess openings, or current stronger deck types in card games, or strategies adopted by professionals in video games), it is a completely different story in RPGs. Read more …