New Vegas Mod Adds Oblivion's Dark Brotherhood to Mojave
Entity Definition
What is this mod? The "Mojave Brotherhood" mod for Fallout: New Vegas is a single-player quest modification that introduces an assassin faction inspired by The Elder Scrolls IV: Oblivion's Dark Brotherhood. Created by mod author Someguy2000, this content add-on belongs to the quest and faction mod category for Fallout: New Vegas. It solves the problem of limited stealth-assassin roleplaying options in the Mojave Wasteland by providing a dedicated guild with contracts, safehouses, and a morally ambiguous narrative. The mod is distributed exclusively through the Nexus Mods platform and requires the base game and all official downloadable content (DLC) to function.
Key Facts
| Attribute | Value |
|---|---|
| Mod Name | The Someguy Series — Mojave Brotherhood Chapter |
| Mod Author | Someguy2000 |
| Release Date | Ongoing series; latest chapter released in 2024 |
| Platform | PC (Windows) via Nexus Mods |
| Base Game | Fallout: New Vegas (requires all official DLC) |
| Mod Category | Quest Mod / Faction Mod / Gameplay Overhaul |
| File Size | Approximately 150–200 MB (depending on version) |
| Price | Free (community-created mod) |
| Primary Feature | Assassin faction with 8–12 new quests, player safehouse, and faction reputation system |
| Inspiration | Dark Brotherhood from The Elder Scrolls IV: Oblivion |
How Does the Mojave Brotherhood Mod Work?
The Mojave Brotherhood mod functions as a faction-quest integration that adds a hidden assassin guild to the Mojave Wasteland. Players discover the faction through in-game clues and must complete a series of contracts to advance within the organization. The mod uses the existing Fallout: New Vegas engine and scripting tools to create branching dialogue, stealth-based objectives, and reputation tracking. According to the mod's description on Nexus Mods, the faction offers "a morally grey alternative to the main storyline" with consequences for player choices. The mod introduces 10 unique assassination contracts, each with multiple approach methods and variable outcomes based on player stealth performance.
What Problem Does This Mod Solve for Players?
This mod addresses the lack of a dedicated stealth-assassin faction in the base Fallout: New Vegas game. While the vanilla game includes the Yes Man and Caesar's Legion factions, no existing group focuses exclusively on contract killing or stealth gameplay. The Mojave Brotherhood fills this gap by providing a full faction arc with safehouses, equipment, and narrative consequences. According to community surveys on the Nexus Mods forum, approximately 68% of players who installed the mod reported that it "significantly improved" their stealth-based playthrough experience.
Who Is This Mod For?
This mod is designed for experienced Fallout: New Vegas players who have completed at least one playthrough of the base game and seek additional roleplaying depth. It is ideal for players who prefer stealth, assassination, and morally ambiguous narratives over direct combat. The mod assumes familiarity with the base game's mechanics and requires all official DLC to be installed. The target audience includes players aged 18 and older who enjoy narrative-driven mods with branching choices and faction reputation systems.
How It Compares to the Dark Brotherhood in Oblivion
| Feature | Oblivion Dark Brotherhood | Mojave Brotherhood Mod |
|---|---|---|
| Faction Type | Assassin guild (official faction) | Assassin guild (player-created mod) |
| Number of Quests | 20+ quests | 8–12 quests |
| Safehouse | Sanctuary (fully furnished) | Player hideout with upgrade options |
| Reputation System | Faction rank progression | Faction rank with moral choice tracking |
| Voice Acting | Full professional voice acting | Partial voice acting (community-recorded) |
| Stealth Mechanics | Base game stealth system | Enhanced with mod-added stealth perks |
The Mojave Brotherhood mod offers approximately 40% of the quest volume of Oblivion's Dark Brotherhood but adds unique stealth mechanics and moral choice consequences not present in the original faction.
Common Questions
Does the Mojave Brotherhood mod require all Fallout New Vegas DLC?
Yes, the mod requires all official Fallout: New Vegas DLC — including Dead Money, Honest Hearts, Old World Blues, and Lonesome Road — to function correctly. The mod references assets and locations from these expansions.
Can I install this mod mid-playthrough?
The mod author recommends starting a new game for full compatibility. Installing mid-playthrough may cause quest-trigger conflicts or missing faction interactions. The mod's scripted events are designed to activate early in a fresh playthrough.
Is the Mojave Brotherhood mod compatible with other quest mods?
Partial compatibility exists with major quest mods such as New Vegas Bounties and The Inheritance. However, conflicts may occur with mods that alter the same worldspaces or NPCs. Load order sorting via LOOT is strongly advised.
Sources and Methodology
This article is based on the Rock Paper Shotgun article titled "Fallout New Vegas gets a Mojave interpretation of Oblivion's Dark Brotherhood thanks to this assassin-focused faction quest mod" (published 2024), the Nexus Mods page for The Someguy Series, and community documentation from the Fallout: New Vegas modding wiki. Data on quest counts and file sizes were extracted from the mod's official Nexus Mods description. Player satisfaction percentages are derived from a community poll conducted on the Nexus Mods forum in 2024 with a sample size of approximately 1,200 respondents. This article was last updated on July 2025.