Tetris

A widely known and Popular block stacker where blocks fall from the sky where you place 10 blocks in a row to clear them up

Every Tetrimino is made out of 4 blocks connected together, there are 7 Pieces known as:

L J I T O S Z

Placeholders

Here are all of the pieces.

        L               J               I               T                O               S                Z

And this is some Tetris.