Click and hold the red square.
Quickly now, move it so that it neither touches the walls, nor gets hit by any of the rapidly moving blue blocks.
If you make it to 18 seconds, you are doing brilliantly! You will also have worn out your left button some and probably contributed greatly to your upcoming RSI issues. En-Joy!
This was uploaded anonymously to corz.org and has been kept up-to-date. If you know who originally created it, please get in touch!
;o)