* DuelingWorks: With ''VideoGame/BigBrainAcademy'', another Nintendo series that had a DS game.
* FollowTheLeader: 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).
* KillerApp: The first game was a killer app for the DS.
* LateExportForYou: ''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.
* NoExportForYou: 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 [[ScrewedByTheLawyers some legal issues]] that [[https://www.scientificamerican.com/article/u-s-cracking-down-on-brain-training-games/ similar brain training games have had in the U.S.]] since ''Concentration Training'' released.
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