Puzzle Galaxies (Tentai Show) free online

Your goal is to draw edges along the grid lines that divide the rectangle into regions so that each region is 180° rotationally symmetrical and contains exactly one point located at the center of its symmetry.

How to solve puzzles Galaxies (Tentai Show). Rules

Puzzle Galaxies online ([i]"Tentai Show"[/i]) is a puzzle game combining logic and geometry. It consists of a rectangular grid with drawers with dots. We need to divide the grid into regions; each region should contain only one point. The point is the center of symmetry of the region. You have a rectangular grid containing several points. Your goal is to draw edges along the grid lines that divide the rectangle into regions so that each region is 180 ° rotationally symmetrical and contains exactly one point located at the center of its symmetry.

This puzzle was invented by Nicole called «Tentai Show»; his name is usually translated into English as «Spiral galaxies».

Puzzle Management Galaxies - Tentai Show

Left-click on any grid line to draw an edge if it is not already, or delete it if it is. When you create a valid region (one that is closed, contains exactly one point, is 180 ° symmetrical with respect to this point and does not contain extraneous edges inside), it will be highlighted automatically; so your goal is to highlight the entire grid in this way.

During the solution, you may know that a particular square of the grid belongs to a certain point, but you need not be sure where the edges go and what other squares are connected to the point. To mark this, you do not forget, you can right-click on a point and drag to create an arrow marker that points to a point. Drop it on the square of your choice and it will remind you which point it is connected to. You can also right-click on existing arrows to pick them up and move them, or destroy them by dropping them from the edge of the grid. (Also, if you don’t know which point the arrow points to, you can pick it up and move it to make it clearer. It will rotate constantly when you drag it to remain a pointer to its parent point.)

You can also use the arrow keys to move around grid squares and lines. Pressing the return key on the grid line will draw or clear its edge, as described above. Pressing the return key when the arrow is above the point will be reset the next time you press the return key; it can also be used to move existing arrows, deleting them, dropping them to a point or another arrow.

Galaxies (Tentai Show) puzzle options

These parameters are available from the "Custom ..." option in the menu "Type".

Width | height
The size of the grid in squares ([i]7x7, 10x10, 15x15[/i]).

Difficulty
Controls the difficulty of the created puzzle. More complex puzzles require more complex deductions, and a “unreasonable” level of difficulty may require a rollback.


Draw lines along the edges of the grid to divide the grid into areas. Each region must have bilateral rotational symmetry and must contain exactly one point, which is located in its center.

Click on the edge of the grid to add or remove a row. Right-click on a point and drag to place the arrow in a grid square pointing to that point to indicate that you think the square should belong to the same region as that point. Drag an existing arrow to move it, or remove it from the edge of the grid to remove it.

Puzzle Rules Galaxies (Tentai Show)

Draw bold lines on the dotted lines to divide the board into blocks. Each block has one white or one black circle (“star”).
Blocks (twice rotational) are symmetrical with the star at the point of symmetry.
Filling the blocks with black stars gives the outline of the object (image).

Features
This is Nicole's original puzzle. The name "Tentai Show" has the double meaning of double rotational symmetry and astronomical show. In Japanese, Ten means a dot, Thai show means symmetry, and Tentai means astronomical things.
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