It's simple, fun, gives you plenty of reasons to keep coming back to it, and is generally reasonably well designed and implemented, which will, for most, justify its eight dollar price tag. Some may be put off by the fact that the content here is mostly collected from the prior two DS Brain Age titles, the fact that the flaws from those games regarding handwriting and speech recognition are still present, or the fact that there's nothing to do but math puzzles, and that's understandable.
Anyone who's fine with a little educational gaming, however, will probably have plenty of fun in small doses with Brain Age Express: Math, and if it turns out that the games DO prevent Alzheimer's, then you'll feel pretty good about yourself later, won't you?
