Embark on an exciting journey through six worlds including neon, ice, void, fire and so on, playing the Tetric retro edition puzzle. Start with a retro classic. Green pieces fall down, and you control them by rotating and positioning them below to form horizontal solid lines across the entire width of the field. Free choice of worlds is not available; you will have to start with the classic one, completing tasks and passing levels. On each of them you need to form a certain number of horizontal lines in Tetric retro edition.