Fallout: New Vegas Complete Game Guide

What Fallout: New Vegas is about

Fallout: New Vegas begins with a courier job that goes catastrophically wrong. The player survives an execution outside Goodsprings and follows the trail of the man who stole a platinum chip, only to discover that the package sits at the center of a regional power struggle. The story gradually widens from a personal hunt into a political choice about who should control New Vegas, Hoover Dam and the Mojave.

Why the Mojave feels different

The Mojave is built around competing communities rather than one simple good-versus-evil axis. The New California Republic brings bureaucracy, infrastructure and expansion. Caesar’s Legion imposes brutal authoritarian order. Robert House offers technocratic independence under his control. Yes Man opens a fourth route in which the Courier can attempt to break the existing power structure entirely. The strongest quests often work because each faction has understandable goals, serious flaws and people caught between them.

Gameplay systems worth knowing

New Vegas uses real-time gunplay, V.A.T.S., skills, perks, reputation and dialogue checks. Reputation matters separately for many factions, so helping one community does not automatically define how every other group sees the Courier. Hardcore mode adds survival pressures such as hunger, thirst and sleep, while the companion command interface makes followers easier to direct than in earlier 3D Fallout games.

Main quest routes and endings

The central story eventually branches into NCR, Legion, Mr. House and independent paths. Several faction quests overlap before hard lockouts appear, so players who want to see more of the Mojave should explore companion quests and side communities before committing to the final political route. Our main-quest guide explains the lockout points and which quest lines can coexist.

DLC and Ultimate Edition

The four story add-ons are Dead Money, Honest Hearts, Old World Blues and Lonesome Road. Courier’s Stash and Gun Runners’ Arsenal add gear and systems rather than separate narrative campaigns. Bethesda’s Ultimate Edition bundles all six add-ons, and the company’s 15th-anniversary material continues to frame player choice and the battle among NCR, the Legion and an independent New Vegas as the game’s defining conflict.

Where to go next

Use this page as the map room. Start with the main quest guide if you are planning a new playthrough, the faction files if you are choosing an ending, or the companion dossiers if you want the character stories that make the Mojave feel lived in.

Character building, skills and reputation

New Vegas gives the Courier a broad role-playing toolkit rather than a fixed personality. SPECIAL attributes still shape the build, but skills such as Speech, Science, Repair, Medicine, Barter and the weapon skills frequently matter in dialogue and quest resolution. Traits selected at character creation trade a benefit for a drawback, while perks gradually specialize the Courier. A high Speech character can defuse confrontations that a combat build may solve with force; a Repair-focused character can restore equipment or expose technical solutions; Medicine and Science can reveal answers that never appear as generic dialogue choices. The practical result is that the same quest can feel very different across two characters even before faction loyalty enters the picture.

Reputation adds another layer. The NCR, Caesar’s Legion, towns and smaller groups track how the Courier treats them, and faction armor can temporarily change how some NPCs perceive the player. Reputation is not the same thing as simple morality: the Courier can be admired by one community and hated by another, while Karma operates in the background as a separate system. Before making a dramatic faction choice, check the reputation warning on screen and consider whether a disguise is merely getting you through a checkpoint or whether the underlying faction already considers you an enemy.

Combat, ammunition and Hardcore Mode

Combat sits between Fallout 3’s real-time shooting and a more statistics-driven RPG. V.A.T.S. remains useful for targeted attacks, but New Vegas expands ammunition into multiple types that can perform differently against armor and unarmored targets. Weapon condition still matters, and many builds benefit from understanding when to repair, craft, swap ammunition or carry a second weapon rather than feeding every enemy the same solution. Energy weapons, guns, explosives, melee and unarmed all have viable paths, and several quest checks reward the skills that support those play styles.

Hardcore Mode changes the rhythm without changing the story. Ammunition gains weight, the Courier must manage dehydration, hunger and sleep, healing works over time, and companions can die permanently. It is less a “hard difficulty” switch than a survival-management layer. A first-time player can safely learn the world without it; a returning player may enjoy how it makes water, food, doctors and travel planning matter. Because the game also contains deserts, mines, casinos and long faction errands, the extra logistics can make familiar routes feel newly consequential.

Companions and why they matter

New Vegas companions are not interchangeable combat pets. Each one carries a political or personal argument about the Mojave. Boone’s history is tied to the NCR and Bitter Springs; Veronica pushes against the Brotherhood’s isolation; Arcade’s Followers background and family history complicate the game’s treatment of old institutions; Raul remembers the world before the bombs; ED-E connects Mojave technology to a much larger story; Rex gives the Kings a surprisingly personal quest. Their perks are useful, but the real value is that they react to places and choices the main quest can otherwise rush past.

The normal party structure allows one humanoid companion and one non-humanoid companion, which makes combinations such as Boone plus ED-E practical for exploration. Before a major faction lockout, rotate companions and finish personal quests if you care about their ending slides. Several of those stories require hidden “history” or trust triggers rather than a simple quest marker, so bringing a companion to relevant locations and listening to their comments can matter more than keeping the same favorite follower for the entire playthrough.

DLC, level pacing and the larger Courier story

The four story expansions—Dead Money, Honest Hearts, Old World Blues and Lonesome Road—take the Courier outside the central Mojave while steadily building a parallel story about people and places touched by the same pre-war technologies and post-war ideologies. They can be entered separately, but Lonesome Road functions most naturally as a late-game capstone because it confronts the Courier with consequences and history that the base game leaves deliberately open. Gun Runners’ Arsenal and Courier’s Stash are more equipment-oriented additions rather than separate narrative campaigns.

A useful first-playthrough rhythm is to explore enough of the base game to understand the NCR, Legion, House and independent routes before treating the DLC as a checklist. Dead Money leans toward survival and resource pressure, Honest Hearts opens a different regional conflict, Old World Blues is dense with science-fiction absurdity and lore, and Lonesome Road is more direct and confrontational. The Ultimate Edition bundles the story expansions and item packs, making it the easiest reference point when a guide says a weapon, perk or quest requires DLC.

A first-playthrough roadmap without spoiling the Mojave

If you are new, let the geography teach the game. Goodsprings introduces the local scale; Primm and Nipton show how fragile law and order are; Novac and REPCONN widen the cast; Boulder City points toward the war at Hoover Dam; Freeside and the Strip reveal that “New Vegas” is several communities stacked around one protected center. The safer road south and east is longer than attempting to cut north from Goodsprings, but it introduces the factions in an order that gives their later demands more context.

Once you reach the Strip, slow down. The main quest begins presenting mutually incompatible routes, but there is a generous middle stretch where the Courier can work for several powers, investigate minor factions and complete companion stories before permanent hostility sets in. Keep a manual save before large political commitments. New Vegas is famous for allowing the player to finish the game after killing or alienating people that another RPG would treat as essential, and that freedom is easier to enjoy when you maintain a few deliberate save points rather than depending only on autosaves.

What matters most in play

Reputation and faction warnings are the real pacing system behind the open world.

A fast route to the Strip can skip the very towns and companion triggers that explain why the final choice matters.

How the choice looks on replay

A second Courier can feel radically different when skills, Hardcore Mode and faction reputation are changed together.

Treat Hoover Dam as the end of a political web, not simply the last combat arena.

New Vegas is especially rewarding on a second run because its systems reinforce the politics. A Courier built around Speech and Barter can resolve crises that a combat-heavy character reaches by force, while faction reputation can open or close whole stretches of dialogue. Hardcore Mode changes the texture again by making travel, ammunition and healing more deliberate. None of those systems exists in isolation: a long detour for a companion quest can alter how a faction sees you, and that altered reputation can later change how a major story meeting unfolds.

The most revealing comparison is between the four endgame routes. House treats the Mojave as an engineering and economic project, the NCR frames control as expansion of a republic, Caesar reduces politics to conquest and hierarchy, and Yes Man lets the Courier claim independence without pretending that independence is consequence-free. Playing those routes back to back exposes how many minor groups are pulled into the final settlement, from the Boomers and Brotherhood to the Great Khans and the Kings. Hoover Dam is the climax, but the ending is really a ledger of decisions made across the map.

For players returning after years away, the DLC is worth approaching as a connected character arc rather than four unrelated side trips. Dead Money introduces Elijah and the Sierra Madre under severe resource pressure; Honest Hearts moves the story to Zion and Joshua Graham; Old World Blues digs into Big MT’s bizarre science; and Lonesome Road confronts the Courier with Ulysses and the history of the Divide. The add-ons differ sharply in tone, but together they make the Courier’s past and the Mojave’s future feel larger than the base-game faction war.

The Mojave rewards that kind of comparison because political choices, build choices and travel choices keep affecting one another long after the opening revenge plot is resolved.

The strongest runs make those systems reinforce one another: a political goal influences the build, the build changes available solutions, and those solutions reshape the Mojave’s final coalition.