Brain Challenge (バイオレンス・チャレンジ in Japanese) is a Nintendo DS game developed by Gameloft and released in Europe in 2008. This puzzle game offers players the unique opportunity to exercise their brains with fun and engaging activities. The game includes a variety of exercises, such as memory, logic, math, visual, and focus. Players can also customize their own training program and challenge themselves with different difficulty levels. The game also features a ‘stress-o-meter’ which tracks the player's progress and evaluates their performance. Brain Challenge also includes a variety of mini-games and awards players with medals for completing tasks. With its vibrant graphics and engaging gameplay, Brain Challenge is an enjoyable and stimulating way to keep your brain active.