How Plumb's hint works, and when to use it
Plumb's hint previews your best next tilt right on the board: ghost marbles, dotted trails and pit warnings. Here is what each part means.
Guides
How to play Plumb: the rules in two minutes
Learn to play Plumb, the marble tilt puzzle: swipe to tilt the board, every marble rolls at once, and each one must drop into the hole of its own colour.
Pits, undo and restart: how to play Plumb without fear
Square pits swallow any marble in Plumb, but a mistake costs you one tap. How pits work, what undo and restart do, and why there are no lives.
How to get three stars in Plumb: par, explained
What par means in Plumb, how stars are scored, and a simple method for finding the perfect route on any level, with a worked example.