Rules rape

rules rape, Rules Rapist, n. 1. exploitation of a loophole or deficiency in the rules to allow for a character, or actions of a character, to unbalance a game or otherwise break a scenario, usually by means of powergaming.
Ex: Your character can't have "Instant Change Usable On Others At Range" to learn everyone else's secret identity. That's a rules rape. 2. Rules Rapist; a person known to engage in rules rape. See twink, power gamer. [BAL]
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Addendum: "Instant Change Usable on Others" is from the Munchkin List, Superhero RPG section (as a Loony power). [BAL]