Updated January 20, 2026.
This review examines Fallout: London, an ambitious total conversion mod that reimagines the Fallout universe in a post-nuclear Britain. It highlights the mod’s expansive map, original factions, strong worldbuilding, and atmospheric storytelling, while also addressing technical issues and performance challenges that accompany its impressive scope.
Fallout: London is more than a mod, it’s a whole new fan-made chapter in Bethesda’s post-apocalyptic saga…
There’s a specific kind of Fallout fantasy we all share, even if we pretend we don’t.
You want to step out of a grimy safehouse, squint into a radioactive sunrise, and immediately realize you have made a mistake, because some local faction has already decided you are either the chosen one, the problem, or the nearest available wallet. You want a world that feels hostile but legible, cruel but funny, bleak but weirdly cozy, like the apocalypse put on a cardigan and offered you tea, right before robbing you.
Now imagine doing that, except the skyline isn’t crumbling Boston, it’s London, and instead of Vault-Tec’s corporate smile peeking out from behind every tragedy, the city’s history, class anxiety, and civic mythology are doing the heavy lifting.
That’s Fallout: London, a DLC-sized total conversion mod for Fallout 4, released free via GOG, and built with the kind of audacity that makes you say, “Surely this can’t be real,” right before you download nearly forty gigs and rearrange your entire week.
This is not “some quests and a new gun.” Fallout: London is the rare community project that feels like an alternate timeline where a studio greenlit a full spinoff, then accidentally let the fans ship it first.
What Fallout: London Is, In Plain English
Fallout: London, often shortened to FOLON, is a total conversion for Fallout 4. That means it replaces the usual “add-on” idea of a mod with an entirely new experience: new worldspace, new story, new protagonist, new factions, new tone. It is set outside the United States, on the “doorsteps of Parliament,” which instantly gives it the one thing Fallout hasn’t fully explored in mainline games, a national identity that isn’t anchored in retro-futurist Americana.
It launched as a free listing on GOG, with a release date of July 25, 2024, and an eye-watering download size, listed around 38.8 GB.
In other words, it’s free, it’s huge, and it absolutely will not respect your sleep schedule.
London As A Fallout Setting, Why This Works So Well
Fallout is at its best when the setting itself is a character, not a backdrop. Fallout 3 is a haunted ruin. New Vegas is a political pressure cooker wearing a cowboy hat. Fallout 4 is a theme park built on grief and obsession.
London, on the other hand, is naturally designed for Fallout, because it’s a city of layers. Roman roads under glass towers. Medieval lanes feeding into modern transit. Royal ceremony next to street-level chaos. A place where history is so dense you could loot it for caps.
FOLON’s team describes the map as a condensed London focused around central boroughs, with the world map about the size of Fallout 4’s Commonwealth plus Far Harbor combined, reaching from Westminster out toward areas like Bromley.
That “condensed” word is important. One of the easiest mistakes in big mods is scope bloat, huge empty spaces, too many identical streets, not enough authored moments. The pitch here is not “the whole of London at 1:1.” It’s “the best Fallout version of London,” a curated apocalypse where every corner is trying to tell you a story, or at minimum, trying to get you killed.
Also, let’s be honest, a Fallout London doesn’t need to be 1:1. If you can find your way in the Tube during normal times, you’ve already proven you can survive any wasteland.
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A Fallout Without Vault-Tec, Without FEV, And That’s The Point
The smartest creative move Fallout: London makes is refusing to drag American Fallout assumptions across the Atlantic.
The FOLON FAQ notes there is no FEV in London, which means no classic Fallout “FEV ecosystem” either: no Super Mutants, no Centaurs, no Deathclaws, and fewer Psykers than usual.
That is a huge statement, because a lesser project would have treated “Fallout” as a checklist: Super Mutants, check. Deathclaws, check. Vault-Tec vault, check. Nuka-Cola shrine, check.
But Fallout is not the monsters, Fallout is the social collapse and the moral choices, filtered through a darkly comic lens. London doesn’t need Deathclaws to be terrifying. London has plenty of existential dread already.
FOLON also emphasizes Vault-Tec is entirely American, with no presence in London, though it hints at the existence of shelter concepts that are “vault-like” without being literal Vault-Tec.
This matters because Vault-Tec is not just a brand, it’s a narrative engine. In US Fallout, Vault-Tec is the reason the player exists, the reason the world looks the way it does, the reason you keep discovering ethics experiments disguised as civil defense. Remove Vault-Tec, and you’re forced to answer a new question.
If there was no Vault-Tec here, then who did the planning. Who built the structures. Who decided who lived and who died. Who wrote the story of survival.
That’s where Fallout: London starts to feel like its own thing rather than “Fallout 4 with an accent.”
Why The Combat Feels Different, And Why That’s Actually Kind Of Perfect
Another standout detail in the FAQ is the design emphasis on firearms scarcity, pushing players toward melee combat and improvised weapons. The team gives an in-universe rationale based on historical divergence around WWII and different trajectories of gun control and availability.
From a pure gameplay angle, this is risky and brilliant.
Risky because Fallout 4’s gunplay is a core loop. Brilliant because scarcity forces improvisation, and improvisation is where Fallout’s personality lives. A good Fallout weapon is never just “a gun.” It’s a story. A pipe pistol that looks like it was built in a shed. A melee weapon that feels like it came from a pub brawl that somehow escalated into a civil war.
Melee-forward Fallout also creates a different tempo. Encounters become closer, messier, more personal. You don’t just snipe a threat off a rooftop, you meet it in a tight alley and negotiate with it using steel and regret.
It also makes the most British Fallout joke possible feel true: in the wasteland, everyone is one bad day away from solving a dispute with a cricket bat.
The Factions, London’s Post-War Ideologies Made Playable
If Fallout is about anything, it’s about factions pretending they are the future.
Fallout: London’s factions are not imported from US Fallout for nostalgia. The team explicitly notes they did not bring back existing US factions because the setting is outside the continental US, and instead built new groups that reflect the setting.
Two of the most prominent are The Gentry and the Camelot Movement, and their contrast is the heart of London’s post-war identity crisis.
The Gentry, Old Power In New Ruins
The Gentry are described as London’s rulers, descendants of pre-war aristocracy and government, ruling from Westminster, operating through “royal charters,” tithes, and a vision of restoring the UK’s old structure.
This is Fallout’s class satire turned up to eleven. In American Fallout, the old world’s corporate greed survives as brands and experiments. In London, the old world’s hereditary hierarchy survives as an institution, with everyone else treated as a resource.
In story terms, the Gentry aren’t just villains or bosses. They’re a thesis statement: when society collapses, the people who remember how power used to work often try to rebuild it with a smile and a ledger.
If you want jokes that still feel respectful to the world, you don’t need to cheap-shot the concept. The Gentry writes the jokes for you. The apocalypse happens, and the first thing someone does is file paperwork and declare themselves important again.
The Camelot Movement, Myth As Revolution
The Camelot Movement is described as an underground organization resisting the Gentry, pushing for a representative republic, and drawing symbolism from the Round Table as a myth of equality.
This is such a sharp Fallout idea, because it’s not just politics, it’s storytelling. Camelot isn’t just a faction name, it’s a claim: a future built from a narrative people already believe in. Fallout always asks, “What do humans cling to after the end,” and in London, one answer is obvious, the legends.
That sets up an inherently Fallout tension: are you building a better society, or are you just swapping one myth for another.
Scale And Content, This Is Not A “Cute Mod,” It’s A Commitment
At some point in every conversation about Fallout: London, someone says, “How big is it, really,” and the answer is always the same: bigger than you wanted, and somehow still not big enough.
Multiple outlets cite a quest breakdown of 53 main quests, 35 side quests, 25 faction quests, 64 miscellaneous quests, and 16 gang quests, plus companion-related content.
Even if those numbers don’t translate perfectly to playtime, they translate perfectly to intent. This isn’t a mod that wants to be sampled. It wants to be lived in.
And combined with the team’s map-size claim, it’s easy to see why people describe it as “DLC-sized,” or more accurately, “this is basically a spinoff.”
The best way to write this in your article is to treat it like a lifestyle choice:
You are not installing Fallout: London to “check it out.”
You are installing Fallout: London to relocate.
The Install Saga, Or, How Fallout: London Became The Most Authentic British Experience Possible
Now we have to address the elephant in the room, and by elephant I mean “technical requirements.”
Fallout: London has a very specific compatibility stance. The team’s guidance requires Fallout 4 to be the pre next-gen version, specifically 1.10.163.0, and their FAQ states they have no plans to bring it to Fallout 4’s next-gen version, calling that version “broken” and not worth supporting.
They also state clearly: you must own Fallout 4 plus all DLC, often via GOTY, and for Steam users, you will likely need to downgrade to the pre next-gen build, either using a downgrader tool (via Nexus Mods) or the manual depot-download method they outline.
If you are writing for a general audience, you should translate this into a simple truth:
Fallout: London is free, but it costs you emotional resilience.
This situation exists because Fallout 4’s “next-gen update” and the modern mod ecosystem have the same relationship cats have with water. Reporting around the time emphasized how that update threatened to break prior work, and later coverage noted the mod’s team essentially choosing stability over chasing next-gen support.
Nexus Mods even published an announcement-style post on release day pointing people to download it via GOG.
Here’s how you turn this into a joke without being mean to anyone:
- The most immersive part of Fallout: London is the install process, because it involves downgrading, reading instructions, and quietly questioning your life choices, which is the spiritual core of British bureaucracy.
- It’s the only Fallout where the first boss fight is your mod manager.
But you should also give the team credit. Being honest about compatibility is better than pretending everything works and letting the community burn out in troubleshooting threads. FOLON’s stance is clear, and clarity is a form of kindness in modding.
War Never Changes – But the Medium Does
Why It Exploded, And What It Says About Fallout Right Now
One of the most fascinating things about Fallout: London is not just that it exists, it’s how quickly it became a cultural moment in Fallout circles.
A gamespress release claimed Fallout: London became the fastest redeemed “game” of all time on GOG within weeks of launch, highlighting strong early adoption.
Whether you treat that as a fun headline or a serious metric, the vibe is real: the project hit at a perfect time, when Fallout fandom was loud, active, and hungry for more.
And it reminds people of something the industry sometimes forgets, Fallout has always been bigger than its release schedule. Fallout lives in fan imagination. The best mods don’t just extend the game, they extend the identity of the series.
Fallout: London does that by leaning into the parts of Fallout that are universal, the absurdity of human institutions surviving the end of the world, the comedy of bad ideas becoming religion, the tragedy of people doing their best in a world that doesn’t care, and then rebuilding all the same problems anyway, just with a different flag.
Fallout: London’s Secret Weapon, It Doesn’t Feel Like A Parody
There’s a trap that “Fallout in another country” can fall into, the setting becomes a tourism postcard with radiation. The references become the content. The jokes become the world.
Fallout: London dodges that by building its “Britishness” into the structure rather than the surface.
The absence of Vault-Tec and FEV isn’t a trivia fact, it’s a re-centering of narrative logic.
The faction conflict isn’t just “good vs evil,” it’s competing visions of legitimacy, aristocratic restoration versus mythic republicanism, both backed by stories people want to believe.
The weapon scarcity isn’t just flavor, it changes how the player experiences danger, proximity, and violence.
That’s why it feels compelling rather than gimmicky. It’s not “haha, Fallout but tea.” It’s “Fallout but the institutions are different, so the apocalypse expresses itself differently.”
Also, yes, you can still make tea jokes. You just earn them.
The Best Way To Approach Your First Playthrough
If you’re writing this as a senior editor and a Fallout fan, you should give readers a practical “do this and you’ll have fun” block, because with giant mods, the biggest barrier is uncertainty.
Here’s the core advice that fits the facts:
- Treat it like a new Fallout game. New save. New build mentality. Don’t rush.
- Read the install requirements carefully. This is not optional. You need Fallout 4 + all DLC, and you likely need the pre next-gen version (1.10.163.0).
- Lean into melee and scavenging. The mod is designed for it, and it will feel better if you stop trying to play it like pure Fallout 4 gun meta.
- Choose a faction philosophy, not just rewards. The best Fallout stories happen when you pick a future you can argue for, even if it’s messy.
Then land one final joke:
If you try to speedrun Fallout: London, London will win, and you will deserve it.
The Verdict, A Love Letter To The Series’ Possibilities
Fallout: London isn’t just impressive “for a mod.” It’s impressive as a piece of Fallout fiction. It demonstrates that Fallout’s core themes travel, because the apocalypse isn’t American, it’s human.
And it proves something else, too: Fallout fans don’t just want more content, they want more angles. They want to see what the series looks like when you remove the familiar scaffolding and let a new place reshape the tone.
No Vault-Tec, no FEV monsters on a checklist, fewer psychic weirdos, a class-conscious faction war in the shadow of Parliament, and a world that feels authored and intentional, all delivered with enough scale to swallow your month.
It’s a strange thing to say about a free community project, but it’s the honest takeaway:
Fallout: London makes Fallout feel big again.
Not because the map is huge, although it is.
Not because the download is massive, although it is.
But because it reminds you that Fallout’s world is a canvas, and if you give talented people enough time, they will paint an entire country on it.
Just remember, the first step out into the wasteland is always the same, whether you’re in Boston or Westminster:
Save your game.
Then immediately do something stupid, because it’s Fallout, and the universe expects it.
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