Dweller Nautilus 1.20.1_1.0.0 is an alpha file of the Minecraft mod Dweller Nautilus (Horror) for Forge, made for Minecraft 1.20.1. It was published on November 2, 2025 and is 5.3 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 Dweller Nautilus (Horror) mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
