Sen's additions

Sen's additions

Enhance Minecraft with stunning biomes, creative building blocks, survival depth, and performance that runs 350+ mods smoothly. Beautiful visuals, improved structures, voice chat, custom quests, and an official server await.

by SenNerd
1.2K Downloads
0 Followers
fabricMC 1.21.1adventurelightweightoptimization

Screenshots

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About this Modpack

Sen's Additions

Version 1.0.0 | Minecraft 1.21.1 Fabric

A vanilla+ modpack that enhances Minecraft with beautiful worldgen, quality of life improvements, and performance optimizations—without changing what makes the game great.


🌍 World Generation

Explore stunning landscapes with Terralith, Tectonic, and Biomes O' Plenty. Discover redesigned vanilla structures through YUNG's complete collection, plus new Nether and End content. Distant Horizons lets you see it all from miles away.

⚡ Performance

Runs smoothly with 350+ mods thanks to Sodium, Lithium, FerriteCore, and ModernFix. Optimized for both single-player and multiplayer with ServerCore and advanced rendering improvements.

🏗️ Building & Decoration

Thousands of new blocks through Chipped, Macaw's collection, Handcrafted, Supplementaries, and diagonal block variants. Build anything you can imagine with enhanced storage via Storage Drawers and Extended Drawers.

🍖 Survival & Adventure

  • Food: Farmer's Delight, End's Delight, Crate Delight, Vinery
  • Combat: Epic Knights armor & shields, Simply Swords, Advanced Netherite
  • Mobs: Creeper Overhaul, Critters and Companions, Friends & Foes, Goblin Traders
  • Bosses: Mutant Monsters, Illager Invasion, True Ending Dragon fight
  • Dimensions: The Bumblezone, enhanced Nether & End

🎨 Visuals & Audio

Dynamic lighting, connected textures, 3D skins, and realistic animations. Immersive audio with Ambient Sounds, Sound Physics Remastered, and Presence Footsteps. Beautiful weather effects and environmental details.

🛠️ Quality of Life

  • Maps: Xaero's Minimap & World Map with FTB Chunks
  • Info: AppleSkin, Jade, JEI, Better Statistics
  • Inventory: Mouse Tweaks, Searchables, Visual Workbench
  • Voice Chat: Simple Voice Chat with spatial audio
  • Quests: Custom FTB Quests to guide you through features

Server

An official server is available and pre-configured in your multiplayer menu. Join anytime to experience Sen's Additions with others!

Requirements

  • Minimum: 6GB RAM
  • Recommended: 8-10GB RAM
  • Optimal: 12GB+ RAM for Distant Horizons

Created by SenNerd | Discord

Available Versions

Sen's additions 1.2.4release
MC 1.21.1fabric161 downloads
December 1, 2025
Sen's additions 1.2.3release
MC 1.21.1fabric24 downloads
December 1, 2025
Sen's additions 1.2.2release
MC 1.21.1fabric33 downloads
November 28, 2025
Sen's additions 1.2.1release
MC 1.21.1fabric44 downloads
November 24, 2025
Sen's additions 1.2release
MC 1.21.1fabric22 downloads
November 24, 2025

How to Set Up a Sen's additions Server

1

Order Server

Choose at least 6 GB RAM (8 GB recommended for Sen's additions). Based on player count: per 5 players.

2

Install Modpack in Dashboard

Open the modpack browser in the dashboard, search for "Sen's additions" and click "Install". The fabric loader and Minecraft 1.21.1 are configured automatically.

3

Start Server & Play

Start the server – all mods are loaded automatically. Share the server IP with friends and play together!

Frequently Asked Questions

Sen's additions server crashes or won't start – what to do?

Most common causes: insufficient RAM or wrong fabric loader. Check latest.log for "OutOfMemoryError" → increase RAM to at least 8 GB. For "Mixin" or "ClassNotFoundException" errors: modpack version and loader don't match. With Mado Hosting, loader and Minecraft version are auto-configured on modpack install – preventing most startup issues.

How much RAM does a Sen's additions server really need?

Minimum 6 GB, recommended 8 GB for stable performance. per 5 players. Important: Minecraft modpacks need more RAM than vanilla – plan extra per additional player. With Mado Hosting, you can scale RAM up live at any time without data loss (from €12/month).

Can I add custom mods to Sen's additions without conflicts?

Yes, but check compatibility: only use mods for the same loader (fabric) and same Minecraft version (1.21.1). Common issues: ID conflicts with recipe mods and incompatible coremod versions. The Mado dashboard mod browser only shows compatible mods and warns about known conflicts.

Sen's additions server lagging – performance tips

1) Increase RAM to 8 GB+. 2) Reduce server view-distance to 8 (server.properties). 3) Pre-generate chunks with the "Chunky" plugin. 4) Use /spark profiler to check which mods consume the most tick time. With Mado Hosting, all servers run on NVMe SSDs with dedicated CPU cores – eliminating hardware as a bottleneck.

Rent Sen's additions Server

Start your own server with automatic modpack installation.

Recommended RAM:
8 GB(min. 6 GB)
From 12.00 / month
Create Server Now
1-Click Modpack Install
NVMe SSD Storage
DDoS Protection included
Automatic Backups

Details

License
LicenseRef-All-Rights-Reserved
Server-side
Required
Client-side
Required

Supported Versions

1.21.11.21

Start your Sen's additions Server now

From €12.00/month with 8 GB RAM for the best performance.

Configure Server →