Companion

Companions are a gameplay mechanic that allow the player to recruit and travel with specific characters. Certain companions will have requirements that must be met in order to join the player.

Fallout
Companions cannot be controlled directly. Instead, one can change some settings for their AI. The protagonist levels up but companions do not.

Fallout 2
Permanent companions usually have prerequisites and may not join your party unless certain conditions are met. Each companion has a fixed number of predefined levels called "stages" in the form of multiple alternative models for them with different statistics. Each time the player character gains a level, every current companion has a chance to go up a stage.

Fallout Tactics
In Fallout Tactics: Brotherhood of Steel, companions are referred to as recruits. These characters may only join the party if the player can afford the recruitment cost.

Fallout 76
Fallout 76 does not offer companions in the traditional sense, but it does feature similar mechanics. Players are encouraged to form Public Teams and band together against the threats facing Appalachia and beyond. Several perk cards are designed with multiplayer in mind and provide effects similar to the companion perks in previous games.

Certain characters may serve as temporary quest companions that aid the player during select quests. These temporary companions will not revive players that are down in combat but may be revived themselves should they run out of health. If they are not revived, they will heal themselves and return to the action after a brief moment.

CAMP allies
Fallout 76 does, however, include characters that may be recruited to hang around at player C.A.M.P.s. These Allies will not follow the player around, but they can offer variety of services ranging from temporary bonuses to entire questlines. Allies will only appear once their associated workshop object has been placed. Although only one Ally may be active at a time, there are workshop objects that will spawn a friendly character.


 * Collectron stations will generate items over time and spawn a Collectron robot to defend the C.A.M.P. from hostiles. Their harvesting routine may be changed at the attached Collectron station terminal. Only one Collectron may be placed at any given time but new harvest options may become available by unlocking additional Collectrons.
 * The Brahmin pen will generate raw fertilizer over time and spawn a Brahmin that will ignore combat.
 * Workshop turrets, mannequins, and even the chassis display frames are all technically non-player characters.
 * A friendly Vertibot may be called upon to help anywhere in Appalachia by throwing a Vertibot signal grenade. This will not work if the player does not currently control a workshop with an functional Vertibot.

Creature taming
In addition to the above, players with the Animal Friend perk may discover docile, tameable creatures during certain random encounters. By walking up to the creature or aiming, a button prompt will appear that offers the option to tame the creature. Accepting it will cause the creature to walk directly to the currently activated C.A.M.P. where they will serve as a guard dog. Be wary, however, because tamed creatures may be killed in combat.