How to play:
Press 'start'. If you don't want to start at the lowest level (the easiest) you should press 'Choose level' .
If a blue brick is coming down from the top it must be moves into a blue lane .
You move the bricks by typing the letters on the arrows just above the brick.
Do the same with green and red bricks.
To make bricks drop to the buttum you should press the space bar..
You can always pause the game by pressing the 'Esc' key (at the top left on your keyboard) or by pressing the 'Start / Pause' button.