400 handmade levels
From 3 colours to 14. Every level is proven solvable, and each one shows its best move count.
400 neon levels, locked and hidden tubes, a daily level and a mad scientist cheering you on. Plays offline.

Smooth liquid, clever tubes and a little reward every time you finish a level.
From 3 colours to 14. Every level is proven solvable, and each one shows its best move count.
Tight levels, locked tubes that open when you complete one, and hidden colours you reveal as you pour.
A fresh level every day for everyone, with a bonus reward and a streak.
From Apprentice to Grand Master, with 36 achievements and coin rewards along the way.
Neon Lab, Tropical Sunset, Lagoon Night and more. Unlock lab tubes or tropical tumblers with the coins you earn.
No account and no sign-up. Your progress stays on your device. Colourblind symbols included.








Yes. The game is free and supported by ads. Optional ads can give you a reward. You choose your ad consent in Settings.
Yes. Everything except ads works without a connection.
No. There is no sign-in. Your progress is stored on your device.
We collect none ourselves. The ad provider (Google AdMob) may use device identifiers to show and measure ads, subject to your consent choice. Read the privacy policy.
Players aged 13 and over.
Write to yves@technologyharvest.com.