Wait for the applet and sounds to finish loading, which may take
a minute or two.
Note: If the game doesn't seem to be responding to key presses, click
your mouse pointer in the game area.
Playing the game:
Move block to left: 'B'
Move block to right: 'M'
Drop block: Space bar
Rotate block: 'N'
You can get a copy of the Blocks Java applet for your own web site
from the author