Can sudoku have negative numbers?

To solve this Sudoku, you must place digits from 1 to 9, but be aware that there exists also negative numbers! So, like standard Sudoku, each of the rows, columns and 3x3 boxes contains exact one of the 1 - 9 values in their absolute value.

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2023-09-11 10:41:30

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Is there 2 player sudoku?
Two players, one puzzle
A new way to play Sudoku. Be the first to get rid of your numbers as you and your opponent take turns solving the same puzzle. If you're perceptive, you'll challenge your opponent's mistakes and bluffs. If you're crafty maybe you can bluff your way to victory!
2024-02-05 15:50:37

What is sudoku with letters and numbers?
Wordoku (also known as "Letter Sudoku"), is more than just Sudoku with letters. The basic rules are the same as regular sudoku, but with letters instead of numbers: fill every row, column and 3x3 region with each given letter exactly once.
2024-02-05 05:46:52

What is extreme sudoku?
An extreme sudoku puzzle already has some numbers filled in. It's your job to figure out where the numbers go. A puzzle gives you enough numbers placed in enough strategic positions to allow you to find the answer using extreme logic. Each puzzle has only one answer.
2024-01-17 04:34:19

Is it good to play sudoku everyday?
Sudoku keeps your brain active and reduces the risk of Alzheimer's, a most common cause of dementia that affects a person's thinking and behavioural skills. Stimulates your mind: The game works on your logical thinking process as you are absorbed in solving a puzzle and eventually improve your number skills.
2023-01-16 02:47:51

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