sudoku-knacker.de
Free online and printable sudoku puzzles in five difficulty levels for casual logic-puzzle players
Highlights
- New on EvolcAdded 2026-11-02
About sudoku-knacker.de
Sudoku Knacker is a German-language website offering more than 100,000 sudoku puzzles that can be played free of charge online or printed. Puzzles come in five difficulty levels, and each proposed grid is stated to have a unique solution.
The site is aimed at people who want to solve logic puzzles at home, in the office or on the go, on a desktop, smartphone or tablet. Entry is optimised for mouse, stylus or touch, and players can enter notes or solution numbers in individual cells.
The site is presented as a personal project run by its author.
Product: Free online sudoku puzzles and printable sudoku grids in five difficulty levels.
Jobs at sudoku-knacker.de
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Website technologies
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Frontend frameworks
- AngularMedium confidence
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Detection evidence
- Page markupsoftware structure signature
- Page markupsoftware structure signature
- Page markupsoftware structure signature
Hosting
- nginxHigh confidence
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- Response headerserver
- Response headerserver
- Response headerserver
Website detection does not establish a paid subscription or company-wide use. Tools loaded after consent or sign-in may be missed. “No longer observed” does not prove the company stopped using a tool.