Fast, simple strategy game--one of the bestselling games of all time, More than 2,000 possible combinations make the game different every time it's played, Players take turns setting secret codes and solving the codes, Uses STEM and STEAM principles--players use deductive reasoning and logic, Ages 8 and up, The classic game that brings together a code maker and a code breaker, Classic game of logic an deduction, New translucent game board, Two players