CurseForge · Minecraft mod
Afterfall Compatibility
Compatibility and world-generation safety fixes for the Afterfall modpack.
Quick answer
Which Afterfall Compatibility release should I use?
Afterfall Compatibility Afterfall-Compat-1.0.0.jar targets 1.20.1 with Forge. The project page does not say whether this file belongs on the client, dedicated server, or both. All 3 required mods have matching files.
Where it goes
Is Afterfall Compatibility required on the client, server, or both?
The project page does not say whether this file belongs on the client, dedicated server, or both.
The source does not explicitly classify this release as client-only or server-only.
What else does Afterfall Compatibility Afterfall-Compat-1.0.0.jar need?
Afterfall-Compat-1.0.0.jar. Change the file and its required mods may change too.
Install LC²H [Lost Cities: Multithreaded], The Lost Cities, Quantified API first. We found matching files for this game-version and loader setup. 5 come through another mod in the chain.
5 extra mods were pulled in by other dependencies. Indented rows show who needs each one. We only count dependency files that match this setup. A file for another loader does not fill the gap.
Before you install it
Add Afterfall Compatibility without breaking your instance.
Built for Afterfall Compatibility Afterfall-Compat-1.0.0.jar. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use Afterfall-Compat-1.0.0.jar. It targets 1.20.1 with Forge; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
Install LC²H [Lost Cities: Multithreaded], The Lost Cities, Quantified API first. We found matching files for this game-version and loader setup. 5 come through another mod in the chain.
- 03
Put it on the correct side
The project page does not say whether this file belongs on the client, dedicated server, or both.
- 04
Pick the file you checked
Use the “Get this file” button beside Afterfall-Compat-1.0.0.jar. It opens that exact file at the source.
About this project
What does Afterfall Compatibility add?
Afterfall Compatibility
Afterfall Compatibility combines the small Java compatibility fixes developed
for the **Afterfall: Ruined Streets** modpack into one Forge mod.
Features
- Prevents LC2H multibuildings from crossing Lost Cities city boundaries or
highways.
- Applies conservative LC2H planning settings to reduce malformed multichunk
structures.
- Corrects the player sleeping direction on Doomsday Decoration beds.
Compatibility
Minecraft 1.20.1
Forge 47.4.x
The Lost Cities 7.4.13
LC2H 3.5.x
Doomsday Decoration 1.0.0 or newer (optional)
The mod is intended for both client and dedicated server installations. It
does not add items, blocks, commands, or background scans.
Installation
Install the required dependencies and place the JAR in the mods folder. If
you previously used **Afterfall Furniture Compat** or **Afterfall LC2H Safety**,
remove those two JARs before installing this combined mod.
Project description from CurseForge.
Pick your setup
Afterfall Compatibility by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
1.20.1
1 loader buildCheck the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
Afterfall Compatibility versions and loaders
Afterfall-Compat-1.0.0.jar
11 Aug 2026
Looking for an older file? The official CurseForge project page is in Resources.