Logic Puzzle
No guessing — solve through deduction
Strategic Placement
Place exactly 2 stars per row, column, and region
Weekly Challenge
Difficulty ramps from Monday to Sunday
How It Works
The Game
Constellation is a pure logic puzzle inspired by Star Battle. You're given a 10×10 grid divided into irregular regions. Your goal: place exactly 2 stars in each row, each column, and each region — with one critical rule: stars cannot touch each other, even diagonally.
How to Play
Tap once to mark a cell with X (no star here). Tap twice to place a star. Tap again to clear. Use the Check button to verify your progress — it warns you first, then reveals errors. Hints help when you're stuck. Every puzzle is solvable through logic alone — no guessing required.
What Players Say
"Finally a logic puzzle that respects my intelligence. The difficulty curve throughout the week is perfect."
— LogicLover
"Sunday puzzles are brutal in the best way. I feel like a genius when I crack them."
— PuzzleMaster
"Love the two-step check system — warns me before revealing errors so I can try again. Brilliant design."
— StarGazer
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Ready to Place Your Stars?
Jump into today's puzzle and test your logic skills.