Puzzle Library
A curated archive of puzzles to play at your own pace. Save your progress and pick up where you left off.
Classic Sudoku
Hundreds of puzzles across five difficulty levels.
Browse puzzles →Killer Sudoku
Cage-based Sudoku — solve from sums alone. No given clues, pure deduction.
Browse puzzles →Samurai Sudoku
Five overlapping grids, 369 cells. Cross-grid deduction unlike any single-grid variant.
Puzzles being added — check back soon.
Browse puzzles →Kakuro
Cross-sum logic puzzles — no given clues, only sums. Variable grid sizes from 6×6 to 12×12.
Puzzles being added — check back soon.
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