Trivia / Brain Age

• Dueling Works: With Big Brain Academy, another Nintendo series that had a DS game.
• Follow the Leader: Several, after the game became popular, among the most transparent being one called The Professor's Brain Trainer (which is basically a generic version of its European English title).
• Killer App: The first game was a killer app for the DS.
• Late Export for You: Concentration Training was going to be released in Europe in 2013, some time later the American release, but for some reason the release was cancelled... until the April 2017 Nintendo Direct revealed that the game was finally going to be released in July 2017, 4 years after the originally intended release date and exactly 5 years and 5 months after the Japanese release.
• No Export for You: The Switch version was released in Europe and Australia, but it never made its way to the Americas. It's asssumed that this was due to some legal issues that similar brain training games have had in the U.S. since Concentration Training released.

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