Brain Quest 3 & 4 is an educational video game released for Nintendo DS in North America on September 22, 2008. The game was released at the same time as Brain Quest Grades 5 & 6. Staying true to the curriculum-based card deck series Brain Quest, it contains over 6,000 unique questions, developed specifically for American third grade & fourth grade levels.

Brain Quest 3 & 4 is an educational video game released for Nintendo DS in North America on September 22, 2008. The game was released at the same time as Brain Quest Grades 5 & 6. Staying true to the curriculum-based card deck series Brain Quest, it contains over 6,000 unique questions, developed specifically for American third grade & fourth grade levels.