2017 · كتاب مصدر (قواعد/خيارات لتعزيز اللعب)

The Knack Hack

A rules supplement offering three ways to add a skill system to tabletop role-playing games: Knacks, Skills, or Backgrounds. Each system is explained in detail, allowing a group to choose the approach that best fits its game. The rules can also be adapted for other OSR games, with guidance on handling stat tests.