Fill every white square with a letter so that each across answer and each down answer is a real English word.
- Tap a square to select it. Tap the same square again to flip between across and down.
- Arrow keys move the cursor. Tab jumps to the next clue. Backspace deletes and steps back.
- Use the on-screen keys on touch devices, or just type on a keyboard.
- Tap a clue in the list to jump to that answer.
- Check highlights wrong letters briefly in red. Reveal letter fills the current square. Reveal puzzle finishes everything.