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UnderWorld SMP Modpack

by JerryII · for Minecraft

A heavily modded Minecraft experience focused on underground exploration, survival, and community. Dig deep, build creatively, and thrive in a world where the real adventure starts below the surface.

1.3KDownloads
9 mo agoLast updated
MITLicense
Fabric · NeoForgeLoaders

About UnderWorld SMP Modpack

From Modrinth

A heavily modded Minecraft experience focused on underground exploration, survival, and community. Dig deep, build creatively, and thrive in a world where the real adventure starts below the surface.

🔹 UnderWorld SMP Modpack – Survive, build, and thrive beneath the surface.

Dive into a modded Minecraft experience where the world begins underground and civilization rises from the caves.

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This pack is designed for the UnderWorld SMP server and emphasizes:

🌍 Deep World Generation – Explore massive cave systems, underground rivers, and forgotten bunkers

⚔️ Enhanced Combat – Thanks to Better Combat and smooth animations

🎙️ Built-in Proximity Voice Chat with group support

🏗️ Create Mod Tech, vertical base-building, and immersive decor

📜 Lore & Story Support – Mods like Amendments, Athena, and Server Replay for storytelling

🔧 QoL Mods – JEI, mod menus, dynamic lighting, and performance boosts

🌐 Multiplayer-Optimized – Built for smooth performance on SMP with AntiXray, Replay, VoiceChat, and more

Whether you’re into story-driven roleplay, technical builds, or epic underground exploration, this pack is made to fuel your creativity below the surface.

Highlights

From source data

Game versions

Built for Minecraft 1.21.1.

Loaders

Runs on Fabric and NeoForge.

Footprint

Rated a light load on a server.

What kind of mod it is

From the catalog
Listed on Modrinth as “Modpacks”

Building & decoration

Blocks, furniture, decorations and building tools.

Runs on your server

From source side support

Modrinth lists UnderWorld SMP Modpack as required on the server. Check its Modrinth page to see whether players need it too.

Compatibility

Game
Minecraft
Loaders
FabricNeoForge
Runs on
Serverrequired on the server
Game versions
1.21.1

Verified at the source

  • ✓ModrinthOfficial listing, checked 2026-10-01Open ↗
  • ✓AuthorJerryII, as published on Modrinth
  • ✓LicenseMITFree

UnderWorld SMP Modpack, answered

Generated from the mod’s own source data.

Do my players need to install UnderWorld SMP Modpack?

Modrinth lists UnderWorld SMP Modpack as required on the server. Check its Modrinth page to see whether players need it too.

Which loaders does it support?

Fabric and NeoForge.

Is it free?

Yes. UnderWorld SMP Modpack is free to download from Modrinth. Its license is MIT.

How do I add it to my Nxeon server?

Use “Add to a server” on this page, or open NxLabs from your dashboard. We install it, restart your server and switch it on.

NxLabs

Run UnderWorld SMP Modpack on a Minecraft server.

Deploy in about a minute from $4.20 a month, then add UnderWorld SMP Modpack in one click.