Several mini games appear in Fallout 3, Fallout: New Vegas, Fallout 4, and Fallout 76. These range from gameplay mechanics, to gambling, to Pip-Boy games.
Hacking[]
The terminal interface displays a list of words, all of the same character lengths, interposed with random characters. The length of the words is determined by the difficulty of the lock. One of the words is the correct password, and the player has four chances to guess or will be locked out.
Lockpicking[]
In the lockpicking mini game, the player character is trying to open a locked item such as an ammo box, safe, door or some other locked item. They have a screwdriver, which is a weightless item that is not even listed in the inventory, and bobby pins that can be collected throughout the journey. Every time a pick a lock attempt fails by applying too much tension to the lock one bobby pin will be broken/lost and it will require another bobby pin to try again.
Blackjack[]
Blackjack is a card game in Fallout: New Vegas, playable in any of the five working casinos. Playing 10 hands of Blackjack grants the Double Down achievement/trophy.
Roulette[]
Roulette is a casino game that can be played via dialogue in Fallout and Fallout 2. In Fallout: New Vegas, players may choose to place bets on either a single number or a range of numbers, the colors red or black, or whether the number is odd or even. Playing 10 spins of roulette gives you the Little Wheel achievement/trophy.
Slots[]
Slots is a game that is featured in most of the casinos of Fallout: New Vegas. Bets can range from one to two hundred chips. Playing ten games of slots will earn the One Armed Bandit achievement/trophy.
Caravan[]
Caravan is a card game that can be played with many traders and locals in Fallout: New Vegas. While traveling throughout the Mojave Wasteland, the Courier will encounter NPCs who will be available to play a game of Caravan. Ringo in Goodsprings will give the Courier a basic deck and the rulebook. A Caravan deck must consist of at least 30 cards, chosen by the player before starting the game. If the player does not have the correct amount, any attempt to play with NPCs will result in a pop-up message.
Video games[]
Can be played on a Pip-Boy 3000 Mark IV or a Pip-Boy 2000 Mark VI.