coming from playing brain age as a small child and thinking a brain age of 80 was good because i thought old people were smart, i had always thought of brain age as like some sort of real metric that mattered and meant something. that's how they make it seem in this series at least. as a young adult now though, after playing this version every day for about 3-4 weeks and managing to get a brain age of 20 once and having the most fucked up brain age progression graph it's just luck based LOL