The Challenge Trilogy

Use your powers of deduction and reasoning with this compendium of three different mystery games. Featuring over 150 riddles, puzzles, and enigmas, this collection of games and quizzes will put your brain under closer scrutiny than a magnifying glass!
Includes three challenging cases: The Case of the Double Agent, The Case of the Cryptic Clue, and The Case of the Curious Conundrums.