My grandmother used to whip my butt at the hardest level back when I used to visit as a 10 year old boy. She could remember all the way out, whereas I had not yet developed memory techniques. It used to frustrate me that I could never make it all the way through the hardest setting.
BTW, this is the same grandmother who is an Atari 2600 veteran, and has completed the Legend of Zelda passed the age of 80!
Gaming, it quite literally is in my blood! :)