HOW TO PLAY
- 1. Place 8 Queens on the grid.
- 2. Exactly ONE Queen per Row, Column, and Color Region.
- 3. Queens cannot touch, even diagonally.
- 4. Click once to mark 'X' (empty).
- 5. Click twice to place a Queen.
- !! Incorrect Queens add 30s penalty !!
Sudoku
Instructions
Fill the 9×9 grid with digits so that each column, each row, and each of the nine 3×3 subgrids that compose the grid contain all of the digits from 1 to 9. Notes Mode: Toggle notes to track candidates. Check: Verify your current progress (counts as a mistake if wrong). Solve: Give up and see the solution.
Controls
Mouse/Touch: Select cell, then tap number. Keyboard: Arrow keys to move, Numbers to input, Backspace to delete.