2DGameClub

Sudoku

Classic Logic Puzzle

Classic, Killer & X-Diagonal Sudoku. 10 difficulty levels, daily challenge, and casual race.

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Puzzle Grid

Screenshots

Classic Grid
Killer Cages
Daily Streak

Features

  • Three variants: Classic 9×9, Killer cages, X-Diagonal
  • 10 difficulty levels — Beginner to Grandmaster
  • Daily Challenge with 7-day streak calendar
  • Casual Race: two players, same puzzle, first to finish wins
  • Technique-based hints — logic solver, never guesses

How to Play

Place digits 1–9 so each row, column, and 3×3 box contains every number exactly once. Every puzzle is logic-solvable without guessing. Killer adds cage sums; X-Diagonal adds two main diagonals as extra constraint lines.

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