I think that I'm addicted. I had tried to do these puzzles months ago on advice from my daughter
kailiia. She thought it would help battle chemo brain. Well I tried a couple of times and couldn't make heads or tails of it. Then I bought a Nintendo DS Lite and the Brain Age game. There are Su doku puzzles on it. There is an option to be told when you've made an error and you allowed five errors then the game ends. Or you can just go along blind. Well I chose the former option. I worked through all of the basic puzzles and have started the intermediate ones. My "brain age" has improved from a distressing 70 to age 27!! WOOT! I see puzzles and numbers when I close my eyes to go to sleep.
Tonight I tried a paper puzzle again. I solved it. Admittedly is was an "easy" one but it's pretty exciting to me. I've bookmarked a Su doku puzzle site on line and have played a few of those. The brain is starting to function again. Maybe multi-tasking isn't far behind.