I did know this; in fact, it's proven that a majority of games make your brain think, of course in ways more so than sitting around and watching television. Take puzzle games, strategy, roleplay, turn-based. You have to /think/, you can't sit around like a nub and hit A repeatedly.
Did you know Rhydon was the first Pokemon ever created? It's why it's placed at the entrance of all the gyms in every series.