
Modrinth · Minecraft mod
Lost_procedure
assets.minecraft.data.lost_procedure.system...CRITICAL_ERROR...[SYSTEM_CORRUPTED]...01001001_1.21.8...Conduit_leak...Files_overflowing...Unknown_process_in_progress...FATAL_OVERWRITE...[NULL].....textures.???.officially corrupted
Quick answer
Which Lost_procedure release should I use?
Lost_procedure 1.21.8 targets 1.21.8 with NeoForge. Installation on the client is optional. Installation on the dedicated server is optional. No extra mods listed for this file.
Where it goes
Is Lost_procedure required on the client, server, or both?
Installation on the client is optional. Installation on the dedicated server is optional.
The source marks this as usable on both the client and server.
What else does Lost_procedure 1.21.8 need?
1.21.8. Change the file and its required mods may change too.
This file does not list any required mods. Do not add a library just because a different file uses it.
This file does not list any required or optional mods.
Before you install it
Add Lost_procedure without breaking your instance.
Built for Lost_procedure 1.21.8. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use 1.21.8. It targets 1.21.8 with NeoForge; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
This file does not list any required mods. Do not add a library just because a different file uses it.
- 03
Put it on the correct side
Installation on the client is optional. Installation on the dedicated server is optional.
- 04
Pick the file you checked
Use the “Get this file” button beside 1.21.8. It opens that exact file at the source.
About this project
What does Lost_procedure add?
LOST_PROCEDURE
lost_procedure is a horror mod mostly inspired by a roblox game called apeirophobia, a minecraft mod called outIn.fromBelowland and wonderland.jar
it adds a lot of blood and gore
Flashing lights
It isn´t appropiate to some ages
Completely playable in shaders
Currently in beta
recommended to people above 18 years
Lost_procedure is not at all complete, you may find some bugs
Multiplayer is supported, though not recommended.
use the command /lost_procedure to get to there more quickly
it adds 4 things:
NEW DEATH CUTSCENES
NEW ENTITIES
NEW FUNCTIONS
NEW DIMENSIONS
there are 7 total dimensions
also check out my discord server in it you will only find mini or HUGE updates so...
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ __ _ __ ____ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ PLEASE JOIN MY DISCORD SERVER!
https://discord.com/channels/1518931928487563305/1518932066031632506
Project description from Modrinth.
Pick your setup
Lost_procedure by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
Check the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
Lost_procedure versions and loaders
1.21.8
lost_procedure-1.21.8-neoforge-1.21.8.jar
15 Oct 2026
Looking for an older file? The official Modrinth project page is in Resources.