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WAVE 2 • CHALLENGE

1–2 playersAge 10+10–15 minLogic
Binary Boxes visual

HOW TO PLAY

Think a few moves ahead.

  1. Fill every cell with 0 or 1.
  2. Never place three identical digits in a row horizontally or vertically.
  3. Each row and column must contain equal numbers of 0s and 1s.
  4. No two rows may be identical; same for columns.
  5. Complete the grid.