Doodle Tetris is an original Tetris game with Doodle style. To erase the blocks from the screen, you should draw the shapes with the mouse and complete the desired number of lines.
Hold down the mouse button and draw one of the shape you have available. It will create a block that will fall down and contribute to completing lines. Complete enough lines to finish the level. Each level has a limited number of blocks you can use. You must keep out the top of screen to know how many blocks left from different type of blocks.