Halves

Medium Halves puzzles

Medium puzzles are 6×6 and need a little counting, more than once. When a row needs just one more moon and every spot but one would leave three suns in a row, that one spot is the moon's, and the rest of the row is suns.

Practice gives you puzzles you haven't solved yet, as many as you like, and keeps your best time without hints. Every puzzle has exactly one solution and can be solved by logic alone.

How to play Halves

1. Fill every cell with a sun or a moon.
2. Every row and every column holds as many suns as moons.
3. No more than two of the same piece can sit next to each other in a row or column.
4. An = between two cells means they hold the same piece. A × means they hold different pieces.

Tap a cell once for a sun, again for a moon, and once more to clear it. The gray cells start filled in and stay that way. On a keyboard, use the arrow keys to move, S for a sun, M for a moon, Backspace to clear and Ctrl+Z to undo.

Solving tips

• Follow the signs. Next to a filled cell, an = copies its piece and a × flips it.
• Block the ends of a pair. Two suns side by side mean the cells just before and after them are moons. A cell between two suns is a moon too.
• Count. Once a row has all its suns, the rest of it is moons.
• Think about what's left. When a line needs just one more moon, try it in each empty spot. If most spots would leave three suns in a row, the moon has only one place to go.