Cube Experimental English German French Russian Italian Span
⚪ Last updated 2010⚠️ Install Order · 2 steps
1🛠️ FOSE — Fallout Script Extender Download ↗
2🔧 UFO3P — Unofficial Fallout 3 Patch Download ↗
Install in this order, then this mod last — most mods fail to load without their framework and dependencies in place.
Preview

🔍 Analysis
- 👍 2.4% endorsement rate — high engagement, a strong quality signal
- 🏆 #4 of 117 Quests and Adventures mods in this game by downloads
📋 About This Mod
- The German version - 78 MB http
- //www.cube-experimental.de
- The English version - 78 MB http
- //www.cube-experimental.de
- The Russian version - 174 MB http
- //www.bethplanet.ru
- The French version - 100 MB http
- //www.confrerie-des-traducteurs.fr
- <span style="color
- #FF0000">ATTENTION: This modification is heavily scripted to make it more intense.
- At the end we want thank
- Chakys Update for 1. 0. 4
🤖 AI-enhanced — based on mod data
Cube Experimental is a quest mod for Fallout 3 that adds a hidden entrance to a forgotten cube complex in the Washington D.C. wasteland. It requires only your current character to explore, offering a new adventure for players seeking more content. With over 4,000 endorsements and 167,000 downloads, it's a well-received addition.
✨ Key Features
Adds a hidden entrance to a forgotten cube complex in the Washington D.C. wasteland.
Quest mod that can be played with your current Fallout 3 character.
High community engagement with 4,074 endorsements and 167,784 downloads.
📊 Pros & Cons
✅ Pros
- Huge community trust with 4,074 endorsements and 167k downloads.
- Adds a whole new quest area to explore, perfect for post-main-story playthroughs.
- Works with your existing character, so no need to start over.
⚠️ Cons
- Last updated in 2010, so it may have compatibility issues with modern setups or mods.
- Only available in English, German, French, Russian, Italian, and Spanish—other languages not covered.
🎯 Is This For You?
For Fallout 3 veterans who've exhausted the base game and want a new mystery to uncover. Also for lore hunters who enjoy exploring hidden facilities. Skip if you prefer gameplay overhauls or need a mod with active updates.
For Fallout 3 veterans who've exhausted the base game and want a new mystery to uncover. Also for lore hunters who enjoy exploring hidden facilities. Skip if you prefer gameplay overhauls or need a mod with active updates.
📦 Install:Easy· Under 5 minutes
💡 Beginner Tips
- Since it's an older mod, use a mod manager like FOMM or Vortex to avoid conflicts.
- Check the mod's comments section for any known issues or patches before installing.
- Make a save before entering the cube complex, just in case you get stuck.
📊 Mod Details
- Game
- Fallout 3 Mods
- Author
- SureAI
- Version
- 1.0.4
- Downloads
- 167,784
- Endorsements
- 4,074
- Category
- Quests and Adventures
- Created
- 5/11/2009
- Updated
- 2/8/2010
🔧 How to Install Fallout 3 Mods
Download from Nexus.
📖 Full step-by-step install guide for Fallout 3 →
Visit the official mod page for specific installation instructions for this mod.
🎮 Need cheat codes or console commands? Check ur gaming wiki for Fallout 3 commands, item IDs, and more.
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