The Ultimate Apocalypse By Wolace

Can you survive in the wastelands of New Jersey, as a New England Intelligence agent. Beware of the inhabitants, and the evolving government engineered Parasite. No where is safe. Good Luck.

The central mod of this pack is the famous Scape and Run Parasites mod. 

https://www.curseforge.com/minecraft/mc-mods/scape-and-run-parasites

Mods in this modpack inspired by https://www.curseforge.com/minecraft/modpacks/parasites-by-forge-labs

Modpack featured in ‘100 Days In The Ultimate Apocalypse in Minecraft Hardcore’ by Wolace

To have the same settings as displayed in Wolace’s video, use the biosphere lost cities world type, and edit the thiccentities config to make the zombies progressively faster and have more health. In the video they end with 2.0 speed, Which is fast enough.