Join four junior sleuths on their daring detective journeys deciphering codes, navigating maps and solving mazes to catch the dastardly culprits of fiendish crimes – and earn your own Murdle Junior badge. Race to the top echelons of a prestigious school to unravel The Case of the Missing Pencil, explore the secret passageways beneath The Mysterious Investigation Institute and unravel the conundrum of The Deadly Silent Spy Organization that links them all.