Nightmare ESM - 1.20.4 (Beta) is a beta file of the Minecraft mod Nightmare Epic Siege: More Aggressive Monsters, Digging Zombies! for Forge, made for Minecraft 1.20.4. It was published on July 14, 2024 and is 0.1 MB in size. Pre-release builds can contain bugs — back up your world before installing. For the full description, screenshots and every other version, visit the Nightmare Epic Siege: More Aggressive Monsters, Digging Zombies! mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.