Sobre o jogo
Play Doppelblock (Double Block) free online. Blacken exactly two cells in each row and column, fill the rest with digits 1 to N-2 (Latin square), and use outside sum clues between black cells. 30 unique-solution levels a
Play Doppelblock (Double Block) free online. Blacken exactly two cells in each row and column, fill the rest with digits 1 to N-2 (Latin square), and use outside sum clues between black cells. 30 unique-solution levels a