The current word you are working on is highlighted in yellow. The current letter is highlighted in cyan. The spacebar on the keyboard switches between across and down. It pivots around the current letter. The backspace on the keyboard erases the current letter.
Incorrect letters show as red.
You can read the clues at the top of the puzzle or in the text beside it. Built for God after flood 10. Ark was this during flood 12. The Kingdom of God 13. To do what God tells us 16.