Tubes is a shareware color matching puzzle game. The main screen shows a series of overlapping transparent tubes climbing from the bottom and curving at the top towards the center. Colored balls, or elements as the game calls them, travel through these tubes to their exit holes. The objective is to catch the falling spheres with a test tube, moving …

In this game, you are in a galaxy wide war, in which you pilot a ship, and go through battles to try to capture enemy planets, convert neutral ones, and protect your allies.