If this reaches a hundred views I'll make a part 2! You move the mouse pointer to draw, right key to change colour, and up and down keys to change size. E erases the pen. There's also a join the dot (press J). Press right key and up key at the same time as well as moving around the mouse pointer! If you saw this type "Rainbow" in the chat!
100% Pen made! Press Space to begin. Don't play if you have seizures - flashing rainbow colours.