How do you open the Mystery Goodie Box in Dead Island 2

Stumbled upon the mystery goodie box in Dead Island 2? Looking for the code? Or vice versa? Just want to know what's in it? We've got answers galore.

How do you open the Mystery Goodie Box in Dead Island 2?

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Dead Island 2: Mystery Goodie Box Location

How do you open the Mystery Goodie Box in Dead Island 2?

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Dead Island 2: Mystery Goodie Box Location

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