CurseForge · Minecraft modpack
Ruins & Republics
Forge your empire in a fallen world using modern weapons, faction warfare, and hardcore survival mechanics.
Quick answer
Which Ruins & Republics release should I use?
RnR v1.2 (Player Version).zip is a complete pack release for 1.20.1 with Forge 47.4.20. Install it as its own launcher instance. If the creator publishes a separate server file, make sure it names this exact pack release. 117 mods in this pack file.
Pack setup
How should I set up Ruins & Republics for players and a server?
Use RnR v1.2 (Player Version).zip as the pack version. Install the pack as its own launcher instance. The creator’s listing does not name a separate server file, so check the release notes before setting up a dedicated server. Do not upload the ordinary client folder blindly.
A pack is a matched client and server setup, not one mod with an install-side label. Keep its release, loader, manifest and overrides together.
These numbers come from the pack file you chose. “Not labelled” means we don’t know which side it belongs on—not that it is safe everywhere. The file count is not a RAM estimate.
What are the server requirements for Ruins & Republics?
RnR v1.2 (Player Version).zip. Change the pack release and its contents or setup may change too.
The selected pack release is RnR v1.2 (Player Version).zip. That file is for Minecraft 1.20.1 with Forge 47.4.20. It contains 117 mod projects. The creator’s listing does not name a separate server file. Check their notes before using one, and do not upload an ordinary client folder or rebuild the pack mod by mod. A file count cannot tell us the right RAM, CPU or storage; size the server for the players and world you actually run.
About this project
What kind of pack is Ruins & Republics?
🌆 Ruins & Republics: Journey of the Ones Who Survived

The world as we knew it has collapsed. Nature has reclaimed the concrete, and the undead roam the streets. But out of the ashes, a new order is rising. Will you be a lone survivor scavenging the ruins, a cartel boss commanding the black market, or a visionary leader building a new civilization?
Ruins & Republics is a carefully curated, hardcore survival and city-building modpack designed for intense multiplayer roleplay and deep exploration.
🧟♂️ Survive the Apocalypse & Modern Combat
Forget simple wooden swords. You will need serious firepower to survive the evolved and relentless zombie hordes.
Next-Gen Arsenal: Powered by TACZ (Timeless and Classics Zero), you have access to highly detailed, fully customizable modern firearms with realistic animations and attachments.
Tactical Gameplay: Engage in intense firefights, secure strategic choke points, and manage your ammo carefully.
Evolved Threats: The undead are no longer just mindless walkers; they are faster, stronger, and more terrifying.
🏙️ Rebuild Civilization or Build a Cartel
You don't have to survive alone. This pack offers deep mechanics for players who want to lead.
Establish a Republic: Use MineColonies to found a thriving settlement. Assign jobs to your citizens (builders, guards, farmers, miners) and watch your city grow from a tiny camp to a massive fortress.
Underground Economy: Establish black markets, trade illicit goods, and manage your economy. Create your own cartel and dominate the wasteland.
🗺️ A Breathtaking, Ruined World
Exploration is both beautiful and deadly.
Urban Decay: Scavenge massive, overgrown, ruined metropolises generated by The Lost Cities.
Stunning Landscapes: Terralith and Biomes O' Plenty are seamlessly blended to create gorgeous, diverse environments outside the city borders.
Hidden Dungeons: Conquer dangerous structures and ancient ruins filled with high-tier loot.
⚙️ Heavily Optimized for Multiplayer
We know that massive cities, zombie sieges, and gunfights can destroy server performance. That's why Ruins & Republics is built with top-tier optimization in mind.
Features Embeddium, FerriteCore, and Entity Culling for incredibly high FPS and low RAM usage.
Server-side AI tweaks ensure that massive mob spawns won't crash your server.
Note for Server Owners: We have carefully removed purely client-side mods (like minimaps and visual effects) from the server files to ensure maximum stability!
🎙️ Immersive Roleplay Ready
Custom armor and physical combat mechanics.
Perfect for content creators, RP servers, and groups of friends looking for a challenging campaign.
Are you ready to forge your destiny in the ruins? Download now, load your magazines, and start building your empire.
📥 Which Version Should I Download?
To provide the best and most stable experience, we offer two different versions of Ruins & Republics. Please choose the right one for your needs before proceeding with the installation.
🎮 Player Version (Client Pack) Installation
This is the main file for all players. Download this if you want to play in single-player mode or join a multiplayer server. It includes visual enhancements, UI improvements, and shaders.
Open your CurseForge (or Modrinth) App.
Search for "Ruins & Republics" or navigate directly to our modpack page.
Go to the Files tab and download the latest file labeled Player Version.
Click Install. The app will automatically download all necessary mods and configurations.
Before launching, go to your app settings and allocate at least 6GB to 8GB of RAM to Minecraft.
Hit play and enjoy the apocalypse!
🖥️ Server Version (Server Pack) Installation
Download this ONLY if you are hosting a multiplayer server. We have carefully removed purely client-side mods (like minimaps) to prevent server crashes and ensure stability.
Download the latest Server Version
.zipfile from the Files tab.Create a new empty folder on your PC or your dedicated server host, and extract the contents of the
.zipfile into it.Install the correct version of the Forge Server for this Minecraft version (if your host hasn't already).
Move the extracted
mods,config,defaultconfigs, andtaczfolders directly into your server's root directory.Start your server using your launch script (e.g.,
start.batorstart.sh).Important: To actually play on this server, you and your friends MUST install the Player Version on your own computers!
⚠️ Important Server Notes
Always ensure your Server Version and Player Version match exactly (e.g., both must be v1.0).
Do not install client-side optimization mods (like OptiFine) into the server folder, as this will cause an immediate crash.
Project description from CurseForge.
Mods in RnR v1.2 (Player Version).zip
Open any mod on Modpacks.ch to check its files and dependencies.
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labelledPick your setup
Ruins & Republics by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
Made local changes? Try them in a copied instance before touching a world you care about.
Recent files
Ruins & Republics versions and loaders
Looking for an older file? The official CurseForge project page is in Resources.