Let's exercise your brain with Chiko-chan by playing a brain activity game supervised by Kikunori Shinohara, professor of brain science! Stimulate every part of your brain while playing 3 genres of brain activity games! Energize your brain by playing brain-activating games in three areas: attention, analysis, and inspiration. In "brain activity mode", you can measure your brain age once a day. In addition, there is a "recommended brain activity game" mode that recommends brain activity games that match the current state of the brain. "Brain activity with everyone" mode where up to 4 people can play together. "Chikotto Trial" mode where you can play your favorite brain activity game. In addition, you can enjoy content related to brain activities such as "Brain Activity Quiz" and "Brain Activity Stretch".