Sudoku

Controls

• select cellclick
• place number1–9
• candidatesPencil mode

Hint

Pick difficulty + theme, then fill the grid. Hint button when stuck.

Tips

• · Click anywhere on the frame to lock keyboard input to the game.
• · Page scroll keys are intercepted while playing.
• · Click outside the frame to release the keyboard.
• · Open fullscreen for the standalone experience — with a way back.