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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Maker
š
Hey Product Hunt! š
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:
ā Zero accounts required ā open the site and start playing
ā No ads inside the puzzle area, ever
ā 5 difficulty levels: Kids, Easy, Medium, Hard, Extreme
ā Full keyboard support (arrows, number keys, notes mode)
ā Printable PDF puzzles for classrooms and offline use
ā 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 ā especially from non-Swedish speakers on whether the UX is clear enough despite the language!