You move the mouse pointer around the canvas, painting as you go. What actually appears on the canvas are details drawn from a seemingly random Google image search. You'll reveal a bizarre assortment of images, exposing fleeting glimpses of disconnected figures before they're covered over again by something new.
On the right there is one of my own creations after a few minutes "play".
There are no rules to master, systems to understand or objectives to complete. Certainly, none that I could discern. Despite being developed as part of the Games Collective, it's not really a game then.
Or is it?
Prosopamnesia [The Games Collective]