- Set your initial hidden configuration by clicking on each spaceship in turn to rotate through the colours, then select 'Start game'.
- The computer's guess is shown on the left - provide feedback by selecting the number of bulls (correct colour in the correct space), and cows (correct colour in the wrong space).
- Make your guess by clicking on the spaceships on the right until your chosen colours are displayed.
- Clicking submit will submit your guess and your feedback.