Vault
Rules:
1. Standard: Normal sudoku rules apply.
2. Standard killer: Cells in cages must sum to the clue in the top left corner of the cage.
3. Standard arrow: Cells along an arrow must sum to the total in the arrow's circle.
4. Standard little killer: Cells along indicated diagonals must sum to the total given.
5. Standard Sudoku X: Both main diagonals must include all digits from 1 to 9.
6. Standard sandwich: Cells between 1 and 9 must sum to the clue for the indicated column.
7. Standard thermometer: Cells along a thermometer must increase from bulb end.
I hope you enjoy the puzzle. Feel free to leave comments.
Try also my other Sudoku puzzles
Solution code: Row 5 + Column 5, 18 digits e.g. 123456789123456789.
on 22. July 2024, 13:14 by mezkur7
Sudokupad: https://sudokupad.app/sm1t4cc3rd
on 15. July 2022, 18:10 by PinkNickels
Such a fun puzzle. Thanks for sharing this.
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Thanks @PinkNickels! Glad you enjoyed it.
on 13. August 2021, 22:10 by RootsInWermland
Nice puzzle. Lot of things going on from the start. Which does not quite resolve until you find the key - and then it all collapses. Nice setup.
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Thanks - glad you liked it.
Besides the graphical appearance, what you described is the other reason why this is called *Vault"...