Fallout series in other media

Due to the popularity of the Fallout series, many pieces of media have contained references and easter eggs to various aspects of the series.

60 Seconds
The following references can be found in the game:
 * A man in a blue jumpsuit seeking a water chip, referencing the Vault Dweller's journey in Fallout.
 * A group of people worshiping an undetonated atomic bomb, referencing the Children of Atom.
 * Two-headed cows, referencing Brahmin.
 * A hand puppet being utilized by a character trapped in an isolated space to cope, then convinced to leave said space by the puppet, referencing Vault 77 and the Puppet Man.

7 Days to Die
When speaking to Trader Jen, she may say, "Sorry, I've never heard of a stimpak."

Ashes 2063
Ashes 2063 is a post-apocalypse themed total conversion mod for Doom II, created by Vostyok. Besides having themes similar to Fallout, it also makes a couple of direct references to it, such as t-shirts stylized after the Vault 13 jumpsuit and a pre-War company called Pole-Vault Tek that features Vault Boy with a top hat and a mustache as its mascot.

Atom RPG
Heavily inspired by the classic Fallout titles, Atom RPG features numerous references to all Fallout titles are prevalent throughout the title, to references to bottle caps and the Vault experiments, to specific game references such as Fallout 2 where a man with a bone through his nose is described to be looking for a "soviet-era gardening kit", and another tale of a courier who got shot by bandits and attempted to track down the bandits only to die trying.

Borderlands 2

 * Playable characters Zero and Maya both have alternate skins in blue and yellow called vault suit and vault dweller, respectively.
 * Three Dog is referenced with a unique gun called Thre Dog and in its description directly references one of Three Dog's radio intros - "Because one barrel ain't enough, and two is too few". The original intro referenced is "Because one dog ain't enough, and two is too low, it's me, Three Dog!"

Cataclysm: Dark Days Ahead
Taking place in near-future New England, Cataclysm: Dark Days Ahead is a post-apocalyptic roguelike video game that features several references to the Fallout series.
 * The "Necropolis" city type can be identified by its more organized layout compared to other cities and numerous radiocative craters, similar to the depiction of Necropolis and surrounding areas in Fallout.
 * Known for their tendency to lunge at the player as their first attack, irradiated wanderers are former humans that suffered from mutations and madness, likely due to exposure to extreme doses of radiation. These are traits shared with feral ghouls as depicted in Fallout 3 onwards. Irradiated wanderers can only spawn in the city type "Necropolis," similar to how ghouls can only be found in Necropolis in Fallout.
 * The Shishkebab, a weapon described as a "large blade with a fuel pipe on the side, and a small tank and igniter built into the insulated hilt" is a reference to the weapon of the same name that has appeared in the series since Fallout 3.

Doom (2016)
On some of the heavy vault doors in the Mars facility at the beginning of the game, Vault-Tec logos can be found.

Doom Eternal
Magazines and books in the Doom Slayer's Fortress of Doom contain references to books and magazines from the Fallout series, such as Guns and Bullets and the Vault Dweller's Survival Guide. A gold tie Mr. Fuzzy doll can be found in the first level, Hell on Earth, while a Teddy Fear appears in the fifth level, Super Gore Nest.

The Evil Within 2
One of the hidden collectibles in The Evil Within 2 is a Vault-Tec bobblehead.

Last Shelter: Survival
Last Shelter: Survival, a 2018 mobile strategy game, uses an advertising campaign that greatly resembles and appears to be based on the gameplay of Fallout Shelter. However, the actual gameplay of Last Shelter: Survival is strongly unlike the Fallout Shelter-style mechanics presented in the ad campaign; such dubious advertisements are common in mobile gaming.

Metro video games

 * Liberty Prime is mentioned in the video game Metro Exodus. In The Volga, after the ammo dump Anna falls into is secured by Artyom, Damir, and Sam, Damir will ask Sam how they will know when they come across a NATO base. Sam replies "First of all, there are these huge humanoid robots, all plastered with stars and stripes, with nuclear reactors up their asses."
 * The Master served as inspiration for the thing under the Kremlin/the thing in D-6, and feral ghouls served as one of the inspirations for the Humanimals.

Hearts of Iron IV (Old World Blues mod)
Old World Blues is a fanmade total overhaul mod for Hearts of Iron IV, starting in the year 2275 and set in the Fallout universe.

The Outer Worlds
Made by Fallout series veterans Timothy Cain and Leonard Boyarsky at Obsidian Entertainment, The Outer Worlds contains several references to Fallout:
 * October 23rd is the date that the Hope colony ship is found, the same day as the Great War takes place.
 * Stenciled '13s are frequently used for colony ship interiors.
 * A "great war" on Earth that took place during the mid-21st century is mentioned.

Postal 2: Paradise Lost
Postal 2: Paradise Lost is set in the aftermath of the nuclear explosion from the end of Postal 2, and early on in the expansion a unique item called the 69 Chip can be obtained, as a direct reference to the platinum chip from Fallout: New Vegas.

Prey (2017)
The note Eel Tank Maintenance Manual is described as an email printout from "\\vault13.Talos.lan\LS_WaterTreatment". The first part of the domain is a reference to Vault 13.

Rage

 * In the Subway Town, a picture in a magazine is a freeze-frame of a nuclear explosion seen in Fallout: A Post-Nuclear Role-Playing Game game with the tag line, "War, war never changes." The player can also see the explosion and an Enclave eyebot faintly in the surrounding area.
 * A Vault-Tec bobblehead can be found within Rage in the town of Wellspring on the mayor's desk. The specific bobblehead is the Charisma bobblehead.

S.T.A.L.K.E.R
In the S.T.A.L.K.E.R games developed by GSC Gameworlds, the data for weapons from Fallout 2 such as the Bozar, M72 Gauss rifle, and .223 pistol exist in the game files of S.T.A.L.K.E.R.: Shadow of Chernobyl and S.T.A.L.K.E.R.: Call of Pripyat, but remain unimplemented. The Gauss rifle was implemented in S.T.A.L.K.E.R.: Clear Sky as the EM1 rifle, however.

Super Smash Bros. Ultimate
Vault Boy appears as a DLC Mii costume for the Mii Gunner, wielding an alien blaster.

Surviving Mars

 * One random event involves a water chip, vital to the player's Martian colony, accidentally being delivered "somewhere in southern California."
 * The SPECIAL system also receives a reference in the form of an achievement named 'S.P.E.C.I.A.L'.

Team Fortress 2

 * Originally given to all players who owned Fallout: New Vegas before August 8, 2011, the Pip-Boy has become a part of gameplay in Team Fortress 2 by being randomly dropped and crafted. Equippable by the Engineer, the Pip-Boy also alters the UI elements unique to the Engineer to a more Fallout styled green-tinted monochrome screen design.
 * The Brotherhood of Steel is also referenced in an achievement named after the group in the Mann vs. Machine game mode.

Underrail

 * A strange wrist computer, resembling a Pip-Boy, and described as a "commercial civilian wrist computer," with a target audience of "young blonde men in jump suits," can be found.
 * The Garden of Evan Creation Kit Manual is a reference to the Garden of Eden Creation Kit.

Wasteland
The original Wasteland directly inspired Fallout and has been referenced multiple times within many of the games.
 * Wasteland 2 references the water chip from Fallout and Fallout 2.
 * Wasteland 3 features a banner that resembles that of Caesar's Legion, describing it as "the banner of some long-forgotten plains gang."

Witcher 3: The Wild Hunt

 * Peasants occasionally remark "War - it just never changes." and in Scoia'tael camps sometimes say "War... War changes everything".
 * After the completion of the DLC quest Fools' Gold, in the village of Lurtch a peasant sitting on the side of the road will randomly comment War, war never changes. A female peasant then quips back at him.

Wolfenstein: The New Order/The Old Blood
On soda machines, the Nuka-Cola logo can be found among other in-universe brands.