Train your brain and compete with others! Brain challenge is a brain training game with beautiful graphics and animation for brain exercise. This exciting brain game comes with 8 mini-games to test your brain in 4 categories: analytical, calculation, memory and visual. Complete a randomly selected mini-game in all 4 categories in a single challenge. Each mini-game lasts for 60 seconds. Answer as fast and accurate as possible. There is penalty score for wrong answer. Use training mode to improv