Water Sorting 2026: Aqua Puzzle | Test Tubes

Water Sorting 2026: Aqua Puzzle | Test Tubes turns a simple lab bench into a playground of liquid logic. You're handed a rack of tubes, each filled with a jumbled stack of colored water. Your goal is to pour the contents back and forth until each tube contains a single, unmixed color. It sounds easy, but the catch is that you can only pour onto a matching color or into an empty tube—and every move counts. What starts as a gentle warm-up soon grows into a series of devious arrangements that demand patience and foresight. There's no timer, no pressure, just you and the satisfying glug of water finding its place. Each solved level delivers a small burst of accomplishment, and the escalating complexity keeps your neurons firing. It's the kind of game you can pick up for five minutes or lose an hour to, all while feeling oddly therapeutic.