Gold Thief

This is a 1980s arcade or Atari 2600 style maze game where you are a master gold thief and you are trying to pick up as much of the gold as you can before you get caught by the guards.   You are the blue cube and the guards are the other color cubes.  The gold is ... well ... gold.  It changes position about every 7 seconds.  Tips:  The guards will chase you if they see you which is fine (you're a…