Press the arrow keys to move. Press 'space' to erase. Press 'R' for the colour red. Press 'O' for the colour orange. press 'Y' for the colour yellow. Press 'G' for the colour green. Press 'B' for the colour blue. Press 'I' for the colour indigo. Press 'V' for the colour violet. Press 'P' for the colour pink. Double-click the green flag.
