Tetris Online. Block Monsters 1010 Extreme. 26 levels of difficulty for this original variant of the Tetris game. In the game there are geometric figures of the same shape, and different and position, each composed of 4 square blocks. These figures will be generated 3 by 3 on the left side of the screen and with the mouse you must place them on the game board. By clicking on a shape, you can rotate it. Each horizontal or vertical line that you manage to complete will disappear, freeing up space to place new pieces but without altering the position of the others. This unique game of Tetris ends when there is no space available to place the pieces that are generated or when time runs out to pass the level. Accumulate points by keeping the Tetris game active.