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Sudokun - Free Sudoku in Swedish – no ads, no account, just puzzles

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Sudokun is a free Swedish sudoku site with five difficulty levels (kids to extreme). No account, no in-puzzle ads, full keyboard support, and printable PDFs. Every puzzle has a unique solution, generated and verified algorithmically in the browser.

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Hey Product Hunt! šŸ‘‹ I built Sudokun because I was tired of Swedish sudoku sites full of login walls, pop-up ads mid-puzzle, and machine-translated interfaces. Sudokun is different: → Zero accounts required – open the site and start playing → No ads inside the puzzle area, ever → 5 difficulty levels: Kids, Easy, Medium, Hard, Extreme → Full keyboard support (arrows, number keys, notes mode) → Printable PDF puzzles for classrooms and offline use → Every puzzle is algorithmically verified to have a unique solution It's built in Next.js, runs fast on mobile and desktop, and works entirely in the browser. Would love feedback – especially from non-Swedish speakers on whether the UX is clear enough despite the language!