Tweetplace
One canvas.
Everyone who opens the post.
Start a 128×128 canvas and post the link on X. It plays right in the timeline, everyone places one pixel at a time, and anyone can fork it into a post of their own.
Nothing painted yet
Painting now
No canvases yet. Start the first one.
Privacy
There are no accounts. Your browser gets a random anonymous id, which is shown as a generated name like anon-k3x9 next to pixels you place. To limit abuse we keep a one-way hash of your IP address that changes every day; the raw address is never stored. Usage metrics carry no identities.