Clouds of coloured particles drift across a dark screen. Move the cursor and they part around it, swirl, and slowly return. There is no objective, no score and nothing to complete.

What it is good for is exactly what it looks like — something to leave open while you think. The particle physics is smooth enough to hold attention without demanding any, and the colour combinations shift on their own.

Not a puzzle, and it does not pretend to be. Filed under relaxing because that is the whole feature. If you want something calm that still asks a question of you, Relax Balls is the better pick.

Works best fullscreen.