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Majesco - Mega Brain Boost: Nintendo DS - $19.99

SynopsisTry Mega Brain Boost for three games that beef up your mental muscles. You can play Brain Boost Gamma Wave, Brain Boost Beta Wave and an entirely new third game that features loads of stimulating challenges. Based on Makoto Shichida's right-brain development theory, you can train your brain in a fun-filled mental workout. Brain Boost Beta Wave features five progressively difficult games based on speed and accuracy, while Brain Boost Gamma Wave offers challenges that flex your memory muscles. Each game contains four difficulty levels with 20 multiple choice problems. Correct answers will automatically bump you to the next difficulty level, so your brain will never get bored. You can also take on a friend in any of the 15 game types. When you've completed the entire brain training series, you'll receive an overall score based on right-brain development.

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