Flexing your grey matter is super important, and it only becomes more important as time goes on. Whether you are in for a light diversion for your downtime, or you want to shake the dust off your ...

When you purchase through links on our site, we may earn commission. Read our full commerce guidelines here. If lockdown is starting to feel a little repetitive and you want something to test your ...

NBC Select independently determines what we cover and recommend. When you click on or buy through our links, we may earn a commission. Learn more. Whether it’s Legos, puzzles, or board games, I love ...

Some are easy to figure out, like the clues in a newspaper’s Monday crossword, a beginner’s Sudoku grid or cryptogram. Others are more difficult. But one puzzle that has proved impossible to solve, ...