Monsters Everywhere

This mod spawns Minecraft vanilla Overworld night creatures in the End and Nether.

This mod is open source & also under license CC0 1.0

https://github.com/Stormwindsky/Monsters-Everywhere

You found also this mod

Here: https://modrinth.com/mod/monsters-everywhere

& also here: https://www.curseforge.com/minecraft/mc-mods/monsters-everywhere