If the EA did the tetris, it would look like this: the Unreal Engine of the latest version, thousands of polygons for each figure, explosions when filling the line, dust, fog, scratches of figures, a photo-realistic background. Detailed training at zero speed. A couple of days after the release - dlz with speeds 3-5, then dlz with skins, then dlz with 6-8 speed, another dlz with skins and background, bagfix, dlz with skins, and only then dlz with palka.