Divide the grid into regions so that each region is 180-degree rotationally symmetric around its galaxy dot, and every region contains exactly one dot.
Click or tap on the edges between cells to toggle walls on or off. A wall separates two cells into different regions. Remove walls to connect cells into the same region.
1. Every cell must belong to exactly one region.
2. Every region must contain exactly one dot (galaxy center).
3. Every region must be 180-degree rotationally symmetric around its dot.
Start from the dots and work outward. Each cell you add to a region must have a partner cell on the opposite side of the dot. Use the Check button to see incorrect walls highlighted in red. Use Hint to automatically fix one wall.
Play Tentai Show free online — a Japanese logic puzzle where you divide the grid into rotationally symmetric regions (galaxies) around circle centers. 25 levels of increasing difficulty. No download required.
Tentai Show (天体ショー, 'Galaxies') is a Japanese logic puzzle where you divide a grid into regions that are each 180° rotationally symmetric around a circle center.
Yes! Play Tentai Show free online on GameZipper — no download or signup required.
A region is 180° rotationally symmetric if, when you rotate it 180° around its center circle, it looks identical. Every cell has a mirror partner on the opposite side.
Tentai Show includes 25 puzzles ranging from easy introductions to challenging expert grids.
Yes! Tentai Show is touch-friendly. Tap and drag to draw region boundaries on your phone or tablet.