Question 1

How do you play Galaxies?

Accepted Answer

Galaxies is a Nikoli-style puzzle where you divide the grid into symmetrical regions called galaxies. Each galaxy must contain exactly one black dot and be centered around it (symmetrical in 180-degree rotation). Galaxies cannot touch each other, even diagonally. Draw borders to partition the grid correctly.

Question 2

What do the black dots mean in Galaxies?

Accepted Answer

Each black dot marks the center of a galaxy. The entire galaxy must be symmetrical around this dot - if you rotate the galaxy 180 degrees around its dot, it maps onto itself. All cells belong to exactly one galaxy.

Question 3

What are the forbidden patterns in Galaxies?

Accepted Answer

No two galaxies may touch each other, including diagonally. Every cell must belong to exactly one galaxy, and each galaxy must have exactly one black dot as its center. The galaxy shape must be 180-degree symmetrical around its dot.

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Galaxies — Symmetrical Region Division Puzzle

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