A world at stake. A quest for the ultimate prize. Are you ready?

It's the year 2044, and the real world has become an ugly place. We're out of oil. We've wrecked the climate. Famine, poverty, and disease are widespread.

Like most of humanity, Wade Watts escapes this depressing reality by spending his waking hours jacked into the OASIS, a sprawling virtual utopia where you can be anything you want to be, where you can live and play and fall in love on any of ten thousand planets. And like most of humanity, Wade is obsessed by the ultimate lottery ticket that lies concealed within this alternate reality: OASIS founder James Halliday, who dies with no heir, has promised that control of the OASIS and his massive fortune will go to the person who can solve the riddles he has left scattered throughout his creation.

Bletchley Park Brainteasers was the runaway Christmas bestseller in 2017 and delighted hundreds of thousands of devoted puzzlers with its fiendish puzzles, riddles and enigmas. It's never to late to join the code breakers of Bletchley Park in their enjoyment of a devilish challenge! Would you love to master morse code?