Dr. Kawashima's Brain Training, also known as Brain Training for Nintendo Switch or Kawashima's Brain Training, is a popular puzzle video game developed and published by Nintendo. The game was initially released in 2005 for the Nintendo DS and later updated for the Nintendo 3DS in 2012. The game made its way to the Nintendo Switch in 2018, with a new title, "Dr. Kawashima's Brain Training for Nintendo Switch."