Brain Boost also known as The Professor's Brain Trainer in Australia and Europe is a series of three brain-training games developed by Interchannel for the Nintendo DS handheld game console. Brain Boost was originally released in 2005 in Japan. Majesco Entertainment published the first two games in the series in the United States on November 17 2006 and the third game on January 22 2008. Each game consists of five related mini-games. Brain Boost Beta Wave has a Metacritic score of 39% based on 12 critic reviews.