You bring down blocks from the top of the screen. You can move the blocks around, either left to right and you can rotate and mirror them. You have to build the box to fill the rows to remove the completed line. You can make them fall faster if you’re sure of your positioning. And collect the score. Tetris 3D, Tetris game, puzzle game, block stacking, rotate blocks, mirror blocks, HTML5 game, free online game, kids games, brain training, spatial reasoning, addictive game, skill based game, fun game, online puzzle, keyboard control, mouse control, classic puzzle