Plants VS Zombies: The Outside Adventures

An explanation/prologue before you start reading:

The zombies were infected by extreme radiation and are now attacking people across the world!
Crazy Dave hasn't been seen since then...
The zombies evolved and there are many different types of zombies.
Our main characters are scientists working for an unknown company to protect
Other scientists were also hired, and there's hundreds of them. Some do d!e or appear in one chapter only, so try not to get attached to any/every character.
Everybody, use plants to defend themselves. They inject normal plants with chemicals in order to make them friendly to nearly all creatures but zombies.
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WARNING: This story is (obviously) not scientifically accurate, so if you're here to cringe at things that aren't scientifically accurate then pls leave :) this is for the people who are willing to enjoy it.