▁" play ers ▁remember ing ▁the ▁levels ▁is ▁part ▁of ▁the ▁core ▁design ". ▁Lar ge - scale ▁development ▁in ▁this ▁genre ▁requires ▁one ▁change ▁in ▁the ▁player ' s ▁ab ilities ▁to ▁be ▁tested ▁more ▁rig or ously ▁throughout ▁all ▁of ▁the ▁levels . ▁Ori ▁and ▁the ▁Will ▁of ▁the ▁Wis ps ▁executive ▁producer ▁Daniel ▁Smith ▁said , ▁" I ▁don ' t ▁think ▁people ▁generally ▁consider ▁how ▁difficult ▁it ▁is ▁to ▁make ▁a ▁Met roid van ia ▁game . ▁Everything ▁is ▁so ▁inter connected ▁that ▁if ▁you ▁change ▁one ▁aspect ▁of ▁the ▁game , ▁it ' s ▁just ▁in ev itable ▁that ▁it ' s ▁going ▁to ▁influence ▁the ▁rest ." ▁ ▁References ▁ ▁External ▁links ▁ ▁Met roid van ia . com ▁and ▁Met roid van ias . com : ▁List s ▁of ▁Met roid van ia ▁games ▁▁▁ ▁Category : Video ▁game ▁gen res ▁Category : Video ▁game ▁termin ology <0x0A> </s> ▁A eb li ▁is ▁a ▁surname . ▁Notable ▁people ▁with ▁the ▁surname ▁include : ▁ ▁Christian ▁A eb li ▁( born ▁ 1 9 7 8 ), ▁Swiss ▁b obs led der ▁Hans ▁A eb li ▁( 1 9 2 1 – 1 9 9 0 ), ▁Swiss ▁education ist <0x0A> </s> ▁Joan ▁Ross ell ▁( 1 7 2 4 – 1 7 8 0 ) ▁was ▁a ▁Catal an ▁composer . ▁He ▁was ▁ma estro ▁de ▁cap illa ▁at ▁the ▁C athedral ▁of ▁To led o , ▁where ▁he ▁was ▁succeeded ▁by ▁another ▁Catal an ,