A fun puzzle game that challenges players to move water between test tubes of different colors. The goal of the game is to distribute all the water into test tubes of the appropriate color. "Test Tubes - Water Sort" is a great way to spend your free time usefully, training your mental abilities and enjoying the process of solving puzzles. How to play - Pour water of the same color from one test tube to another - Sort all the water in the test tubes by color - Complete levels and compete with other players