The following are strategies, tips, and Q&A for the Who needs DEET achievement. Feel free to add your own below:


  • On rare occasions, players may receive a popup stating that there has been an insect population boom, which increases zombie decay rates. Then, they should evolve the Zoonotic Shift and Insect transmissions, and then, zombies will repel insects, returning their decay rate to normal, and earning them this achievement. - Anonymous

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