Perception/Fallout: The Roleplaying Game

Perception is one of the seven primary statistics in the SPECIAL system.

Gameplay
In Fallout: The Roleplaying Game, Perception's only derived statistic is a character's Initiative which is added with Agility. Perception is also used as the default for skill tests involving Energy Weapons, Explosives, Lockpick, and Pilot (the most skills of any primary stat).