Show HN: Add a Pixel, the internet's pixel graffiti wall (addapixel.com)

Here are the keyboard controls:

Arrow Keys: Pan the camera left, right, up, or down.

WASD: Move the reticle (once a pixel is selected) up, down, left, or right.

Enter/Spacebar: Add your pixel to the canvas.

-/+: Zoom the canvas in or out.