[The Fifth Horseman]

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Location: Car Two
General Metro has two buildings in the city. And of the two, only one was anywhere close to flight trajectories of recent UFOs. It's really a no-brainer.

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Doubler stops a bunch of Hyperworms from getting to the top floor, and as soon as that is secured we descend to the garage below.
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Bingo! Three Multiworms charge right at the destructive duo, but hey... how does a giant worm cope with incendiary ammunition?
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Answer: it doesn't.
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Score:
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Location: Cityclean Three
Another Evonet sewage treatment facility, right on the trajectory between the Dimension Gate and Car Two. It might be just a hunch, but best if we check the place anyway.
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First we see a Hyperworm, but then a Popper comes into vision. Dumb critter can't understand it doesn't have the ability to fly, and is promptly dispatched.
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More worms and an Anthropod. Not much of a match for us, as they all die in explosions shortly thereafter.
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