
Killer Sudoku: July 4, 2025
The objective of Sudoku is to fill each row, column and sub-grid with exactly one of each number from 1-9. In Killer Sudoku, the digits in each inner shape (marked by dots) must add up to the number in the top corner of that box. No digit can be repeated within an inner shape, row, column or sub-grid. For more, select "How to Play" in the game's dropdown menu. Use the "Play Together" option in the navigation bar to invite a friend to play this puzzle with you and enter numbers at the same time.

Try Our AI Features
Explore what Daily8 AI can do for you:
Comments
No comments yet...
Related Articles


Scientific American
2 days ago
- Scientific American
Killer Sudoku: July 4, 2025
Can you crack Killer Sudoku's mathematical twist? The objective of Sudoku is to fill each row, column and sub-grid with exactly one of each number from 1-9. In Killer Sudoku, the digits in each inner shape (marked by dots) must add up to the number in the top corner of that box. No digit can be repeated within an inner shape, row, column or sub-grid. For more, select "How to Play" in the game's dropdown menu. Use the "Play Together" option in the navigation bar to invite a friend to play this puzzle with you and enter numbers at the same time.


Scientific American
3 days ago
- Scientific American
Expert Sudoku: July 3, 2025
Solve the grid in this expert Sudoku puzzle! The objective of Sudoku is to fill each row, column and sub-grid with exactly one of each number from 1-9. A conflict arises if you repeat any entry in the same row, column or sub-grid. For more, select "How to Play" in the game's dropdown menu. Use the "Play Together" option in the navigation bar to invite a friend to play this puzzle with you and enter numbers at the same time.


Scientific American
5 days ago
- Scientific American
Medium Sudoku: July 1, 2025
Solve the grid in this medium Sudoku puzzle! The objective of Sudoku is to fill each row, column and sub-grid with exactly one of each number from 1-9. A conflict arises if you repeat any entry in the same row, column or sub-grid. For more, select "How to Play" in the game's dropdown menu. Use the "Play Together" option in the navigation bar to invite a friend to play this puzzle with you and enter numbers at the same time.