However, there's only so much area on the map to showcase these puzzles for HoYoverse. To solve this problem, they have an event called Hypogeum Enigma where you can try out the difficult levels ...

“The Windsor Enigma” was the name given to an acrostic puzzle said to have been written by Queen Victoria for her children. Unfortunately, the puzzle is a little too of its time to be readily ...

School pupils across the country are being asked to solve a series of “fiendish” brainteasers today, set by the UK’s intelligence agency GCHQ. GCHQ reveals five secret WWII code-breaking ...