X-Mas Marks the SpotThree gripping interactive murder mystery stories with riddles, puzzles and a 'choose your own adventure' hook. Solve the puzzle. Stop the baddies. Simple, right? Step into the shoes of Arlo Banks, and return to a world of secrets, spies and diabolical plans. It's Christmas, and Arlo is hoping to finally start his top secret training to become a proper spy. But old enemies have other plans. When it turns out there's a scheme to rob the Bank of