Rotate the pipes to water every cell
Canals is a free daily pipe puzzle. A square grid is full of scrambled pipe pieces and one water source. Tap pipes to turn them until water from the source reaches every cell, and you're done.
No. Each one stands alone, with its own streak. A check mark on the start screen shows which ones you've finished today, and "Play another puzzle" takes you to the next one.
Yes. Past days open from the week strip on your results screen.
Yes. Every pipe is a button, so you can move between them with Tab and turn one with Enter or Space.
No. Canals is free and runs in your browser. An account keeps your streaks across devices and gets you leaderboards and friends.