Just paint! Click or drag to paint on the pixels. Press 1 to paint in black. Press 2 to paint in white. Press 3 to paint in red. Press 4 to paint in orange. Press 5 to paint in yellow. Press 6 to paint in green. Press 7 to paint in blue. Press 8 to paint in purple. Press 9 to paint in gray. Press space to clear the canvas.
Tell me in the comments what you've painted! Only 63 blocks of code!
