Use right and left keys to hide and show drawing cursor. Use up and down keys to hide and show the drawing features. Press space to put pen down and up or click. Click the colours to change the colour. Click the X button to clear the drawing. Use the up arrow to increase the pen size. Click the down arrow to decrease the pen size. Click the eraser to begin erasing, you can drag it to get it to a certain place or use w, a, s, d keys to move it. Click the green button once to start the eraser and click it again to stop it. Press "c" to show the daily challenge and press "c" again to hide it.