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Tub-Subs are enemies from Wario Land: Shake It!. They appear in underwater levels, such as Wavy Waters. They attempt to attack Wario in his Subwarine by using missiles of their own. Tub-Subs take three missile hits to defeat, and drop three small gold coins once destroyed. There are two colorations of Tub-Subs, one with brown wood and gray metal, and one with gray wood and purple metal; however, there is no difference between the two variants. Tub-Subs cannot move diagonally or turn, and only fire missiles in a horizontal line.