▁each ▁min ig ame ), ▁resulting ▁in ▁ 6 0 ▁questions ▁in ▁total . ▁The ▁player ▁is ▁scored ▁based ▁on ▁speed ▁and ▁accuracy ; ▁the ▁faster ▁one ▁answers ▁a ▁question , ▁the ▁more ▁" gram s " ▁they ▁ear n ▁( which ▁represents ▁their ▁score ), ▁but ▁an ▁incorrect ▁answer ▁scores ▁no ▁gr ams . ▁The ▁difficulty ▁of ▁the ▁questions ▁adjust s ▁based ▁on ▁the ▁player ' s ▁score . ▁ ▁Each ▁mini - game ▁can ▁be ▁played ▁separately , ▁and ▁depending ▁on ▁the ▁results , ▁the ▁player ▁can ▁be ▁awarded ▁with ▁a ▁medal , ▁according ▁to ▁their ▁score . ▁There ▁are ▁four ▁levels ▁of ▁difficulty : ▁E asy , ▁Med ium , ▁Hard , ▁and ▁Ex pert . ▁The ▁Ex pert ▁level ▁is ▁not ▁visible ▁until ▁gold ▁or ▁plat in um ▁med als ▁are ▁acquired ▁on ▁all ▁of ▁the ▁previous ▁three . ▁Pl atin um ▁Med als ▁can ▁be ▁earned ▁in ▁each ▁of ▁the ▁difficulty ▁levels ▁( E asy , ▁Med ium , ▁Hard , ▁and ▁Ex pert ), ▁but ▁the ▁score ▁needed ▁to ▁do ▁so ▁diff ers ▁in ▁each ▁level . ▁ ▁Multi player ▁ ▁The ▁four ▁multi player ▁modes ▁in ▁Big ▁Bra in ▁Academy : ▁W ii ▁D eg ree ▁allow ▁the ▁player ▁to ▁test ▁their ▁brain ▁against ▁up ▁to ▁seven ▁other ▁players . ▁ ▁Mind ▁S print ▁allows ▁two ▁players ▁to ▁go ▁head - to - head ▁in ▁a ▁split - screen ed ▁race , ▁and ▁up ▁to ▁eight ▁players ▁can ▁play ▁as ▁two ▁teams . ▁If ▁a ▁player