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The best alternative to Numbers of Ra is Guriddo.
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Best alternatives to Numbers of Ra
  • Guriddo (グăƒȘッド, Japanese for grid) is a free and competitive number puzzle app with daily challenges. If you enjoy playing Sudoku-, Kakuro- or Nonogram-style like number puzzles and seek a new tricky challenge, then you should give Guriddo a try đŸ€—