Question 1

What is Tubes?

Accepted Answer

Tubes is a mobile-first water sort puzzle. You pour matching liquid colors between glass tubes until each tube holds one color or is empty.

Question 2

Is Tubes free to play?

Accepted Answer

Yes. The campaign, daily challenge, and leaderboards are free in the browser. You can play as a guest; signing in syncs progress to the cloud.

Question 3

How do you win a level?

Accepted Answer

Pour until every non-empty tube contains a single color from bottom to top. Empty tubes are allowed. Undo, reset, and hints (except on fog levels) are available while you play.

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