to brown
cs
repeat 25 ~
  [setturtle repcount - 1 ~
   hideturtle ~
   pd ]
repeat 50 ~
  [repeat 25 ~
     [setturtle repcount - 1 ~
      rt random 360 ~
      fd 5 ]]
end

to startup
;hidecommander
title
brown
wait 180
bye
end

to title
ht
pu
setpos [-220 30]
setheading 90
settextfont [[Century Gothic] -32 0 0 400 0 0 0 0 3 2 1 34]
label [Brownian motion in LOGO]
setpos [-60 -60]
wait 180
settextfont [[Century Gothic] -24 0 0 400 0 0 0 0 3 2 1 34]
label [Hi Wally!]
wait 120
end

Make "startup [startup]