The Zeta forces are trying to take over our secondary base, we need you to slow down their progress. The more you kill, the more cash you'll get. Get ready, they're coming and shoot as many of them as possible and reach the Zantor Station at the end of the level to proceed further.
You have to form color lines using boxes that change color every time you select a line. This boxes change from red to yellow, to green and then back to red.