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I'm making a minigame and I need to summon 100 Zombies in 1 command block. How do I do so?

marked as duplicate by Fabian Röling, Virusbomb, IronAnvil, Timmy Jim, KevinTheGreat Apr 21 '18 at 16:58

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To summon multiple entities in one command, summon them riding an AEC that will die in the next tick:

/summon area_effect_cloud ~ ~ ~ {Passengers:[{id:"minecraft:zombie"},{id:"minecraft:zombie"},{id:"minecraft:zombie"},{id:"minecraft:zombie"},{id:"minecraft:zombie"}]}

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