"An 'addictive memory reflex game' where 'only total endurance and concentration will save the day'. And it's here that Mr Baer and his 1970's invention comes back in to the story. His invention was a plastic electronic game that sold by the bucketload. That game was ... KnightLite is basically a Simon clone, albeit with only 3 buttons instead of 4."

It looks like a time-killer .

Also, PDACorps weekly competition page is full of goodies