Fallout Shelter Wiki

I get this question a lot in chat rooms: when did the big changes land on the 'Fallout Shelter' wiki? Here's how I mentally map it out.

Right after the mobile launch in 2015 the wiki exploded with basic pages — rooms, dwellers, and stats — and that first wave of comprehensive entries counts as the initial major update. The next big inflection came around mid-2016 when the game rolled out on PC and consoles; the community expanded pages to cover platform differences, achievements, and PC-specific quirks. That pushed the wiki from a simple reference into something much deeper.

From late 2016 through 2018 there were several content-driven updates: new gameplay systems, quests, and crafting mechanics forced sizable additions and page restructures. Another noticeable overhaul hit around 2019–2020 when templates, infoboxes, and category systems were modernized and the community cleaned up outdated data. Since 2020 the site has seen steady, smaller major merges tied to mobile patches and seasonal events, plus occasional schema tweaks for better searchability. Personally, watching that organic growth felt like being part of a living guidebook — it’s satisfying every time a stubborn page finally gets tidied up.

To my mind, the best weapons in 'Fallout Shelter' are the ones that match the job — and I pick them by looking at raw damage, damage-per-second, and special effects before anything else.

I usually give explorers high-DPS, long-lived guns so they chew through enemies in the wasteland and last until they find stimpaks and radaways. For vault defense I prioritize splash or area-damage weapons because incidents (radroach swarms, mole rats, raiders) often come in groups, and a single explosive or AoE energy weapon will save me a lot of medbay trips. Melee weapons are great early on because they're cheap and use no ammo, but I swap them out as soon as I can craft or loot something with better single-target damage for Deathclaws and legendary encounters.

On a meta level, I check the weapon’s rarity and modifiers — a legendary with a bonus to critical damage or limb-specific effects beats a common with similar base damage. Crafting also matters: I invest in the crafting bench and try to roll for top-tier stats. In short: maximize DPS for explorers, area damage for room defense, and match the weapon type to the dweller’s strongest SPECIAL value. That strategy has saved my vault more than once, so I stick with it.

I get a little geeky about mechanics, so I dove into how happiness works on the 'Fallout Shelter' wiki and boiled it down to the parts that actually matter while playing. At its core, happiness is a dweller stat from 0–100 that reflects how content they are with their life in the vault. The wiki explains that vault happiness is just the average of every dweller's personal happiness, and that value shows up on the vault HUD. That average matters because happier dwellers generally perform better and produce resources more reliably — the game nudges you to keep people satisfied so your vault runs smoothly.

On the dweller level, a bunch of things influence happiness: being assigned to a room that fits their highest SPECIAL stat, having their health and radiation managed, not being wounded or dead, and enjoying full resource meters across the vault. Positive events like leveling up, getting promoted, having babies, returning from the wasteland with loot, or hearing music from a radio room can boost happiness. Negative events like room rush failures, deaths, or shortages in power/food/water drag it down. The wiki also lists items and pets that add happiness or improve stats, and how training rooms and outfits change long-term performance. Personally, I try to keep production balanced and toss a radio room in the mix — my vault runs so much smoother when people are smiling a bit more.

One clear thing the 'Fallout Shelter' wiki explains is that water disasters aren’t some mystical curse — they’re a product of game mechanics, player choices, and RNG working together. The wiki usually lists triggers like low water production per dweller, failing a 'rush' in a water room, damaged or unstaffed water rooms, and the natural scaling of random incidents as your vault gets bigger.

In practice that means a few concrete causes: you didn’t build or upgrade enough water treatment/purification rooms, you assigned low-Perception dwellers to those rooms, you tried to rush production too often (rushing increases incident chance), or a later game update introduced a bug or balance change that increases the frequency. The wiki aggregates these factors and points out practical fixes — upgrade rooms, assign high-Perception dwellers or outfits that boost Perception, avoid reckless rushing, and spread production across multiple rooms so a single incident won’t tank your supply.

I like that the wiki treats it like a systems problem, not just bad luck; it helped me stop panicking and start planning, which made the game way more fun for me.

I get a little giddy thinking about diving through the 'Fallout Shelter' wiki for specific dwellers — and legendary ones are actually pretty easy to find if you know where to click. On the site there’s a main 'Dwellers' listing that breaks out rarer vault people, but the cleanest route is to use the wiki’s category system: look for 'Category:Legendary dwellers' (you can usually find it linked at the bottom of related pages or via the search box). That category collects each legendary character’s individual page and often presents them in a neat list.

Each legendary dweller page typically includes origin (lunchbox, quest, event), base S.P.E.C.I.A.L. stats, starting outfit, and any unique perks. When I’m hunting for a particular legendary, I’ll open the category and then sort through the thumbnail grid — it’s a great way to scan visuals and click through to detailed stats. The wiki also sometimes maintains a master table on the main 'Dwellers' page showing which ones are legendary and how to obtain them, which is very handy when you’re planning to chase a specific perk. I always leave feeling like I could spend hours comparing builds — it’s oddly satisfying.

I get hooked on planning raid comps the way some people plan vacations — it’s oddly satisfying. For me, winning raids in 'Fallout Shelter' comes down to three core pillars: preparation, gear, and positioning. Preparation means training dwellers in the right SPECIAL stats before you send them out — endurance for survivability, agility or perception for faster attack cadence depending on weapon type, and luck for more crits and better loot. I usually level a half-dozen dwellers to at least mid-teens so I have options.

Gear-wise, I cram the best weapons and outfits I’ve got onto the strike team and give priority to pets that boost damage, crit chance, or HP. Don’t underestimate common or rare pets — their bonuses stack and make skirmishes far easier. When the raid starts I pick a mix of tanky frontliners and high-DPS backliners, and I try to send them together so they don’t get picked off in waves. Healing items and stimpaks are gold: use them strategically rather than wasting them on tiny scuffles. After a raid I immediately rotate the injured out, repair and re-equip, and train any weak SPECIALs so the next raid is smoother. It's oddly tactical for such a simple game, and I love that grindy, satisfying loop.

If you're trying to figure out how long to shelter during a fallout event while pregnant, I usually point people toward official public-health and radiation-protection resources first. The CDC's 'Radiation Emergencies' pages are a great starting place for plain-language guidance on sheltering, decontamination, and special considerations for pregnant and breastfeeding people. FEMA's emergency-preparedness pages also outline sheltering-in-place timelines and when to follow evacuation or shelter-in-place orders. For pregnancy-specific clinical guidance, I look to the American College of Obstetricians and Gynecologists (search for their guidance on radiation exposure in pregnancy), and internationally the WHO and IAEA have technical documents about radiation risks to the fetus and recommended actions after exposure.

Practically speaking, most official sources emphasize that the first 24–48 hours after fallout arrival are the most critical to remain in a well-sealed shelter until radiation levels start to decay or public authorities give the all-clear. But how long a pregnant person should shelter depends on the radioactive isotopes involved, the dose rate, and local fallout patterns — which is why public health and emergency managers are the ones who will give location-specific instructions. Also, note that potassium iodide only protects the thyroid from radioactive iodine and is recommended only when authorities advise it; it does not protect the fetus from other forms of radiation. I always stress: follow official instructions from public health and emergency management, and contact your prenatal care provider as soon as possible for personalized medical guidance.

Beyond immediate timelines, I keep a short maternal emergency kit checklist in mind: prenatal records (paper copies are golden), prescribed medications, a basic first-aid kit, bottled water, nonperishable food, and a way to monitor official channels (battery radio, phone with spare power). If you suspect contamination after leaving shelter, remove outer clothing and shower to reduce radioactive particles, and heed decontamination instructions from responders. For deeper reading, search for terms like 'radiation exposure pregnancy guidance', 'fallout sheltering CDC', 'radiation emergencies pregnancy WHO', and 'radiation exposure obstetrics ACOG'. Those sources helped me feel less panicked and more practical when I reviewed emergency plans, and they might help you plan calmly too.

A nuclear event tightens your timeline in ways that feel both clinical and very personal — for expectant mothers that timeline matters more. My take after reading emergency guidance and chatting with a few med folks is this: the most critical window to avoid fallout exposure is the first few days. Fallout radiation decays very quickly at first, following the old '7/10' rule: every sevenfold increase in time after the detonation reduces radiation by roughly a factor of ten. That means the danger is highest in the first hours, still significant for the first day or two, and drops off substantially after a week or so.

Practically speaking, I would plan to shelter for at least 24–48 hours unless local authorities tell you differently, and aim to stay sheltered longer — up to a week or even two — if you can, especially if you’re close to ground zero or in a known fallout zone. For pregnant people, the conservative approach is sensible because the fetus is more sensitive to ionizing radiation, particularly during early development. The absolute risk from short-term, low-level exposure is often smaller than people fear, but large doses in early pregnancy are the real concern. So minimizing exposure, avoiding contaminated food or water, and delaying reentry to the open until officials or radiation readings say it’s safe are all smart moves.

Beyond timing, I’d emphasize the practical stuff that matters when you’re pregnant: secure clean water, prenatal vitamins and any medications in your shelter kit; avoid fresh food that might be contaminated (stick to sealed, packaged items); decontaminate by removing outer clothing and washing any exposed skin if you think you were outside; and if potassium iodide (KI) is recommended by public health authorities, follow that guidance — it can protect the thyroid from radioactive iodine and is sometimes advised for pregnant women. Keep in touch with public health updates by radio if possible, and try to reduce stress — high anxiety isn’t good for you or the baby. Personally, I’d rather over-shelter those first few days than risk unnecessary exposure, and having a calm plan for 7–14 days of supplies feels like a relief when the world is chaotic.