Step into the shoes of Arlo Banks, and return to a world of secrets and spies.

This time, he’s on the trail of a shadowy group determined to stop the young sleuth in his tracks.

From the bright lights of Hollywood to the snowy alps, from prison breaks to car chases, Arlo must use all his skill and cunning to solve murders, catch killers and – just maybe – stop the end of the world.

You choose what path you take, what puzzles you solve, and what answers you choose in this interactive high-stakes mystery.

Solve the puzzle. Solve the murder.

Simple, right? Join Arlo Banks in this choose your own adventure mystery story as you race against the clock to catch a killer

Arlo Banks has always wanted to be a detective. And when he solves a fiendish puzzle in The Times, set by an elderly Oxford professor, he might just get his chance.

The reward for solving the puzzle is a trip of a lifetime – a journey on the famous Orient Express. It is a journey full of mystery and murder. Clues are everywhere.

As Arlo Banks, your job is track down the truth. But there are puzzles and riddles at every turn, and the answers are not always as straightforward as they seem.

You choose what path you take, what puzzles you solve, and what answers you take to help you solve a murder.

Your choices could take you to the killer – or lead to a more unfortunate fate.