CSEP Presents The Experiment - NEW Quest Mod

⭐ ⭐ (883 endorsements) 📥 136,314 downloads 📌 v1.1 📅 3/21/2024
⚪ Last updated 2024

By Commonwealth Story Expansion Project · Quests and Adventures

⬇ Download Mod Source: Nexus Mods ↗ 📅 Updated: 3/31/2024 📅 Created: 3/21/2024
⚠️ Install Order · 2 steps
1🛠️ F4SE — Fallout 4 Script Extender Download ↗
2🔧 UFO4P — Unofficial Fallout 4 Patch Download ↗

Install in this order, then this mod last — most mods fail to load without their framework and dependencies in place.

🔍 Analysis

  • 👍 0.6% endorsement rate
  • 🏆 #2 of 34 Quests and Adventures mods in this game by downloads

📋 About This Mod

  • []Roughly over one and a half hours of quest content!

    []Replayability with multiple endings and choices that change the course of your playthrough!

    []Over 400+ lines of fully voiced professional grade human voiced dialogue! (No AI was used in the creation of this mod)

    []A full embracement of Extended Dialogue Interface system to bring back F3/NV style dialogue! (XDI is required)

    []A split narrative that changes based on your choices!

    []The return of RPG elements like skill and perk checks!

    []Unique weapons earned by your choices leading to certain endings!

    []Custom composed music!

  • Fun unique outfits!

    The quest starts once you enter a new house at the south end of Natick Banks.

    I recommend you bring some decent gear tho, there's some tough challenges down there.

    Extended Dialogue Interface is REQUIRED for dialog to function.

    Development:

    Phineas Kube (Pigness) - Pulling own hair out

    Voice Acting Talent:

    Soldier Hobbes - Captain Kilgore & Dr. Elias Keim

    Ben Johnson (Benjango)  - Sergeant Clay & Director Brynes

    Cory Coogan - Private Wolfe

    Veta Pheonix - Dr. Judith Whiteford

    Henry Martin - Colin MacCaffrey

    Assets/Art:

    jkruse05 - RascalArt - AidanWatts3D - JViole7 - justreddz - DefaltTheFixer - DegenerateDak

    Music/Sound:

    RadioFloyd - xrendermanx

    LET ME KNOW IF I FORGOT YOU!

    My Patrons:

    Michael Kenner - Radking - Its_Strong - Mondo - OscarN1N71 - Degrie

    nuclearPANDA86 - Bdazzle - Daniel Ramirez  xrendermanx - Jonathan Hamlet

    Glasma - Sgt. Robo - Paxton Mc - Aaron Beatty - Brian Ho -  Anthony Marangi

    Y. J Double - Diacute - Charles - gino gullion   - Urukage - 

    Clemdiddly

    p s - Ian Morris - Djiant

    And maybe you?

    Pigness - Screenshots

    God and Jesus Christ for giving me the opportunity to do work like this with amazing talent.

    And all of you for your support and interest in my work <3

    Consider supporting me on Patreon

    Join our Discord

    Check me out on Youtube

    Check out my companion mo

🤖 AI-enhanced — based on mod data

CSEP Presents The Experiment is a quest mod for Fallout 4 that plunges you into an underground conflict where your choices determine who lives and dies. With 883 endorsements and over 136,000 downloads, it's a community favorite for players seeking narrative-driven adventures with meaningful decisions.

✨ Key Features

Adds a new questline centered around an underground conflict
Features player-driven choices that affect the story's outcome
Part of the Commonwealth Story Expansion Project series

📊 Pros & Cons

✅ Pros

  • Community-approved with 883 endorsements and over 136k downloads
  • Choices matter—your decisions decide who lives and dies
  • From the Commonwealth Story Expansion Project, known for quality quest mods

⚠️ Cons

  • Last updated March 2024—may not be compatible with the latest Fallout 4 patches
  • Requires a new playthrough or careful save management to experience fully
🎯 Is This For You?
For Fallout 4 players who crave story-driven quests with branching narratives and moral dilemmas. If you're a completionist who wants to see all outcomes, this is for you. Skip if you prefer combat-focused mods or don't like making tough choices.
📦 Install:Easy· Under 5 minutes

💡 Beginner Tips

  • Make a save before starting the quest to explore different choices without replaying the whole game.
  • Check the mod's forum posts for any known issues or load order recommendations.
  • If you use a mod manager, let it handle the installation to avoid file conflicts.

📊 Mod Details

Game
Fallout 4 Mods
Author
Commonwealth Story Expansion Project
Version
1.1
Downloads
136,314
Endorsements
883
Category
Quests and Adventures
Created
3/21/2024
Updated
3/31/2024

🔧 How to Install Fallout 4 Mods

Download from Nexus.

📖 Full step-by-step install guide for Fallout 4 →

Visit the official mod page for specific installation instructions for this mod.

🎮 Need cheat codes or console commands? Check ur gaming wiki for Fallout 4 commands, item IDs, and more.

Keep browsing — more Fallout 4 mods await

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