Raku Sudoku – logic puzzle

A premium classic Sudoku experience – no ads, no subscriptions.

Raku Sudoku is designed for players who value clarity, focus, and thoughtful gameplay. Six difficulty levels from Easy to Ludicrous, including legendary 17-clue puzzles curated by mathematician Gordon Royle – the purest and most challenging grids in classic Sudoku.

Pay once. Play forever. No distractions.

Features
· Clean, distraction-free design
· Six difficulty levels — Easy to Ludicrous
· Legendary 17-clue puzzles by Gordon Royle
· Notes, error checking, and hints
· Progress tracking and highscores
· Game Center leaderboards