Pipa: Barrel Puzzle

Walk into a barrel and it rolls one square ahead. Get every barrel onto a cellar mark. You can push — you can never pull. That's the whole rule. Pipa spends 300 levels finding out how far it goes. TEN CHAPTERS, TEN PLACES Every chapter is a real square in Lisbon or Porto, and each adds one idea — opening on a level that teaches it with almost nothing else on the board, then mixing it with everything you already know. Every level is named for a real street nearby, from Beco da Corvinha to Rua da Rosa. • Rossio — the square, and the classic art of pushing • Ribeira — wet stone: a barrel slides until something stops it • Alfama — holes in the street, paved over with a spare barrel • Chiado — order and parking: fill the far marks first • Bairro Alto — one-way streets, for Pedro and the barrels alike • Gaia — pilaretes that sink while every scale holds a barrel • Santa Justa — lifts: in at…