Dr Kawashima's Brain Training - How Old Is Your Brain (Europe) (En,Fr,De,Es,It,Nl) (Demo) (Kiosk) is a Nintendo DS game developed and published by Nintendo. The Japanese title is ドクター・カワシマの脳トレーニングおさかなでいっしょに頭の体操. This educational game is based on Dr Ryuta Kawashima's book of the same name. The game is designed to help players maintain their mental agility by solving various puzzles and math problems. Players are given a 'brain age' test at the start of the game, and can then use this score to track their progress. The game includes a variety of puzzles, including math problems, memory tests, and drawing exercises. Players can also play various mini-games to challenge themselves. The game also includes a calendar feature, which allows players to record their daily exercises and track their progress over time. The European version of the game includes English, French, German, Spanish, Italian, and Dutch language support. It is also available as a demo kiosk, allowing players to test out the game before purchasing. Dr Kawashima's Brain Training - How Old Is Your Brain is a great way for players to stay mentally sharp and have fun while doing it.