Combine the falling blocks to make complete lines to gain points and raise the level.
Check the next pieces and plan for them.
Using the arrow keys, you can adjust where and how the blocks fall. you can rotate the blocks 90 degrees clockwise. When a block land at the bottom the next block will begin to fall.
The blocks will fall much faster than usual while you hold down key
Your goal is to clear lines by manipulating the pieces so that they fill horizontal row.
To clear a line, every square of the row has to be filled.