. There’s no doubt that Crossword Quiz will stretch your brain and make you think out of the box, thus turning you into a crossword master. You’ve probably played crosswords before, but what you need to know is that Crossword Quiz provides you with another level of puzzle experience due to its well-chosen clues and amazing animations. In this game, you can test and improve your critical thinking skills.
Which is the only number that is twice the sum of its digits?