1 2 3 4 5 5 7 8 9 0 (no letters, just numbers)
Sudoku
8
Its basically a math puzzle, so a type of puzzle.
One could visit SudokuProfessor or SudokuDragon to find strategies on how to complete a Sudoku Puzzle. Also, if one happens to have a Sudoku Puzzle Book, at the front page is usually a guide to how to complete a Sudoku puzzle. Once you know how to, they are really fun and good for keeping the mind active.
Yes, an easy way to tackle a Sudoku spelling puzzle is to start by filling in the most obvious letters based on the existing clues. Look for rows, columns, and boxes that have the most letters already filled in, which can help you deduce missing letters. Additionally, using a pencil to jot down possible letters for each empty cell can assist in eliminating options as you progress. Finally, solving small sections of the puzzle first can make it more manageable.
The puzzle known as "Al Escargot" (the snail) is currently considered the hardest Sudoku puzzle. It was created by a Finnish mathematician called Arto Inkala. One of the hardest Sudoku books available is "Extreme Sudoku" by Antoine Alary, not to be confused with "X-TREME Sudoku" by Nikoli & Co. or "Sudoku Xtreme" by Christopher Monckton, which are both an order of magnitude easier.
You need more information.
It depends on the puzzle.
a Sudoku puzzle is a test of logic while a crossword puzzle is a test of how like a thesaurus you are or a test of general knowledge. which one if better is a matter of opinion, but i suppose one might stimulate the brain than the other, if that is what you mean by better.
Sudoku
n
Its literally sudoku