Click the green flag to start preview. Q - Sets cross-hair to mouse' position. 0 - Turns off the pen. 9 - Turns on the pen. Space - Clears all pen markings. up arrow - Increases pen size. down arrow - Decreases pen size. R - Resets pen size. right arrow - Increase color value. left arrow - Decrease color value. 1 - Increase pen shade. 2 - Decrease pen shade. Click color boxes to change pen color.
TIPS: - Press and hold Q to continuously draw. - Make sure you turn off the pen before moving the cross-hair. - Increase and decrease the color value for the perfect hue. - Best if played in fullscreen mode