To play this game you will have to listen to what the computer tells you and simply write it in the the white box. Then check your spelling with the button that says "check your spelling". To get the next word you will click the botton that says "skip".
If you're on a phone or tablet, don't forget to switch off predictive text, 'cos that makes it too easy.
It chooses ten words to try, drawn at random from the full Key Stage 2 statutory words list (Yrs 3, 4, 5 & 6). Use the Change Word List button if you want to change that.