▁game ▁features ▁ 2 3 ▁levels ▁and ▁is ▁reported ly ▁harder ▁than ▁the ▁original ▁Z uma . ▁In ▁each ▁of ▁the ▁levels ▁there ▁are ▁some ▁special ▁items , ▁for ▁example ▁marked ▁balls ▁that ▁expl ode ▁more ▁than ▁just ▁the ▁normal ▁three ▁balls . ▁ ▁Un like ▁Z uma , ▁where ▁the ▁player ▁sho ots ▁new ▁balls ▁from ▁a ▁center ▁point , ▁in ▁Z az ▁the ▁player ▁moves ▁a ▁grab ber ▁on ▁a ▁separate ▁track ▁on ▁the ▁play field ▁to ▁grab ▁a ▁ball ▁that ▁can ▁then ▁be ▁shot ▁back ▁at ▁a ▁new ▁location . ▁Instead ▁of ▁inserting ▁randomly ▁assigned ▁new ▁balls , ▁the ▁player ▁moves ▁existing ▁balls . ▁ ▁Re ception ▁ ▁The ▁game ▁is ▁available ▁in ▁many ▁Linux ▁distributions , ▁for ▁instance ▁in ▁Ubuntu , ▁Fed ora ▁or ▁the ▁Deb ian ▁repositories ▁as ▁the ▁game ' s ▁content ▁comp lies ▁with ▁the ▁D FS G . ▁This ▁was ▁achieved ▁after ▁replacing ▁the ▁CC ▁BY - NC - SA ▁lic ensed ▁N IN ▁sound tra cks ▁in ▁versions ▁after ▁ 0 . 2 . 6 . ▁Between ▁ 2 0 1 0 ▁and ▁ 2 0 1 6 ▁Z az ▁was ▁downloaded ▁from ▁Source forge ▁directly ▁ 1 0 0 , 0 0 0 ▁times . ▁The ▁game ▁was ▁posit ively ▁review ed ▁by ▁German ▁computer ▁web ▁sites ▁Ch ip . de ▁and ▁Computer ▁Bild . ▁The ▁Ch ip . de ▁review ▁described ▁the ▁game ▁as : ▁" V ery ▁well ▁made ▁clone ▁of ▁the ▁original ▁classical ▁game . ▁Z az ▁implements ▁the ▁game