Adam Sadler worked as a game designer at Fantasy Flight Games until early 2013. During his time at FFG, Adam worked as lead designer for Descent: Journeys in the Dark Second Edition as well as many Descent expansions. In addition, he worked on various other game lines such as Tannhauser and Star Wars: X-Wing. Since leaving FFG, Adam has pursued game design on a freelance basis with his twin brother, Brady Sadler. Together they have designed several games, such as Warhammer Quest: The Adventure Card Game, The Walking Dead: No Sanctuary, Street Masters, Brook City, and Heroes of Terrinoth.