Brain Age: Concentration Training - Nintendo 3DS The all-new Devilish Training exercises are designed to help improve concentration and working memory The all new Devilish Training exercises dynamically change in difficulty based on real-time results to continually challenge players Beyond Devilish Training, additional game modes offer even more brain-training opportunities Supplemental Training: Returning exercises from previous Brain Age games to complement the new activities (e.g. Change Maker, Time Lapse, Calculations x20) Brain Training: Combination of new and legacy exercises (e.g. Block Head, Spider Solitaire, Mahjong Solitaire) Relaxation Mode: Combination of new and returning activities designed to give the mind a break (e.g. Blob Bust, Germ Buster, Music Appreciation)