Lexoku - Word Sudoku Puzzle

Lexoku is a logic puzzle built around words. Each game reveals a word, like the five-letter BRAIN, six-letter LETTER, or seven-letter HARMONY. Your task is to place those letters in a grid so every row and column contains the word's exact letters at the right frequency.

It's a clean, calm puzzle. No timers pressuring you. No vocabulary quizzes. No flashy distractions. Just careful logic, one letter at a time. If you've played Sudoku, the rules will feel familiar, same idea, played with the letters of a word instead of numbers.

DAILY CHALLENGE A new puzzle every day. Solve it as fast as you can, then compare your time on the Game Center leaderboard. Your streak counts every day you play, never resets, never punishes.

WEEKLY PACKS Themed puzzle collections that change each week. Seven puzzles per pack, woven around holidays, seasons, and cultural moments. A new collection every Monday.

LEVEL PROGRESSION Over 6,000 hand-curated puzzles. Choose your difficulty anytime. Easier puzzles start with more letters revealed, harder ones with fewer. No failures. Just puzzles waiting whenever you want them.

PRO Optional Pro upgrade removes ads, refills hints automatically, and unlocks the full archive: every past daily challenge and every weekly pack ever released. Free players can always play today's daily and this week's pack.

Quietly addictive.

Lexoku is a single-player game with no social pressure, no punishing rules, and no in-app purchases for puzzle content beyond Pro.

Have feedback? Reach us at contact@lexoku.com.

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