1. A player whose primary objective is to overcome challenges to achieve his goal. 2. A player who typically manipulates game rules to overcome challenges or win points.

A system where skills are lumped together into broad groups, such as "pistols" covering ALL pistols from derringers to desert eagles. ***BJM: needs reference October 8, 2009***

Notation convention used in several older games. The first number is the number of dice, the second is added to the total. eg: 3+4 is 3 dice plus 4, or 3d+4 in modern notation. Most games using this n [..]

Refers to a percentile die roll, either a d100 or rolling two ten-sided dice in which one die refers to the tens place and the other refers to the ones place.

See Trait.

Armor Class. Used in many fantasy RPGs to represent how difficult it is to hit a character.

Skills or traits the character has that aid him in the course of game play. Often set at time of character creation.

A single challenge, often short enough to be completed in one session. Often makes up one smaller piece of larger story with a beginning and an end, but may be stand alone. Contrast with Campaign.

Attack of Opportunity

Attack of Opportunity