Andrew Parr is the author of N.E.R.D.'s escape room designs. He has been an avid puzzle fan his whole life, and is fluent in crafting a diverse selection of cranial challenges, with a focus on logic and observation puzzles. He is a regular contributor to Games World of Puzzles magazine, and contributed an original puzzle design to the 2017 U.S. Puzzle Championship ( His puzzles have been published in several books, including New Logic Puzzles ( and Puzzle Box Vol. 2 (Dover Publications, Inc.). Andrew was invited to join Mensa in 2017 after achieving a qualifying test score in the 99th percentile. He lives in London, Ontario, and got his start designing escape rooms for two local escape franchises.