Sto-stone

Game Rules: Make one connected stone of black cells per room. A number gives its size; stones in different rooms cannot touch by a side. Drop all stones straight down without rotating or splitting them: they must fill precisely the lower half. Use Preview fall to see where they land. Tap or drag to shade; hold to mark white. Repeat to erase. Counts follow the chosen size and clues; difficulty changes deductions, not rules.

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Game Rules: Sto-stone

Build one stone in each room. When the stones fall straight down as rigid pieces, they must fill the bottom half of the board with no gaps.

Make one connected stone of black cells per room. A number gives its size; stones in different rooms cannot touch by a side. Drop all stones straight down without rotating or splitting them: they must fill precisely the lower half. Use Preview fall to see where they land. Tap or drag to shade; hold to mark white. Repeat to erase. Counts follow the chosen size and clues; difficulty changes deductions, not rules.

Frequently Asked Questions

How can I start solving Sto-stone?

Count shaded cells in a column. Falling cannot change their column, so each column needs exactly half its height in stone cells.

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