There are hundreds of recruitable villagers in Animal Crossing: New Horizons. However, your island is only big enough to house 10 of them. Here are all of the villagers and their personality types.
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Throwing Out The Dice – A Villager Hunting In Animal Crossing New Horizons - PlayLab! Magazine
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TIL even when your island is full villagers can come to your campsite and move in : r/AnimalCrossing
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You can only have one Animal Crossing: New Horizons island per Nintendo Switch system - Animal Crossing World
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Throwing Out The Dice – A Villager Hunting In Animal Crossing New Horizons - PlayLab! Magazine