How to play

  • Drag and drop the letters in the empty cells so that each row, column and main diagonal contains the given (blue background) Greek letters without repetitions;
  • Each grid starts with the first row and some other cells already filled;
  • Playing:
    • Drag a given Greek letter (blue background) and drop it to an empty cell;
    • Click on a letter that you placed to remove it from the grid.
  • If there's a logical error (repeated letters in the same row, column or main diagonal), a red border will appear on the misplaced cells;
  • The game ends when all the cells are correctly filled;
  • Each game is solvable using logic only, i.e., guessing is not needed;
  • The difficulty level changes the size of the grid and the kind of logical strategies needed to solve them.

Tips

  • If this is your first time playing, choose the "Very Easy" grid so that you can understand the rules clearly;
  • Start by looking at the grid and observing which letter appears more often. It's very likely that you'll use it right away;
  • Logic strategies such as "Naked Pairs" and "Hidden Pairs", that are usually needed to solve Sudoku puzzles, can also be used on this game (see our Sudoku Guide).

About

To make the game more interesting, we used some letters from the Greek alphabet. The letters we chose are: Δ (Delta), Θ (Theta), Λ (Lambda), Ξ (Csi), Π (Pi), Σ (Sigma), Φ (Phi), Ψ (Psi) e Ω (Omega).

This puzzle was originally created by the Russian Leonid Mochalov.

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