Stellar Logic is a pure-logic star puzzle. Each board is 6×6. Play the Daily puzzle, start a random board with Play, Continue a saved board, or go to the Next board. You never need to guess.
1. One star per row, column and region
Place one star in every row, every column and every colored region.
An example board: one star in each row, column and region.
2. Stars can never touch
Stars can never touch, not even diagonally.
A star and a diagonal neighbor. That placement is not allowed.
3. How to mark cells
Tap a cell to mark it with an X. Drag to mark or erase several. Double-tap to place a star.
Tap marks an X. Drag marks or erases several. Double-tap places a star.
4. A wrong star leaves a red X
A wrong star counts as a mistake and stays on the board as a red X until you tap Reset or finish the board.
A wrongly placed star stays on the board as a red X until you tap Reset or finish the board.
5. One solution, and a timer
Every board has exactly one solution, so you never need to guess. A timer tracks each solve. There is no score. Your best time is kept on the device but is not shown in this version.