Gambling is a form of entertainment before and after the Great War.
The activities are derived from a set of artificial rules, typically with a known set of variables and outcomes to be reached. Players wager money or valuable items on an outcome of their choosing and hope that game's variables turn out in their favor. Many forms of gambling continued after the war, in addition to new forms have been created in the years since.
A casino game played with a standard deck of 52 cards. The player and dealer each draw cards to an initial two-card hand with the object of bringing the total hand value as close as possible to 21 without exceeding it.
A card game played with two players, popular throughout the Mojave Wasteland. A Caravan deck must consist of at least 30 cards from one or more traditional playing card sets and may have any number of cards of any type, although it cannot have duplicate cards from the same set. Prior to the game, the opponent will place a bid and the player can then either match or raise the bid. After the players choose their cards, the game starts. The principle is to build three caravans of numbered cards and the goal is to outbid the opponent with the highest value of numbered cards without being too light (under 21) or overburdened (over 26).
- A few craps tables are run by Becky in her bar and casino out in the Den. The craps tables are simulated identically to regular craps and do not use the one's Gambling skill in any checks.
- Craps tables appear in Fallout: New Vegas but cannot be played.
A boxing game that exists only in New Reno. The players can bet on the outcome of boxing matches or fight in the ring themselves with a sponsor. The champion holds the title of Heavyweight Champion of Northern California.
A casino game played with a croupier and a roulette. The players place a bet on the outcome of the roulette and the croupier spins the roulette wheel in one direction, then spins a ball in the opposite direction along a grooved track running the circumference of the wheel. When the ball loses momentum and falls into one of the 38 baskets, the winning number and color are announced, and bets are paid out. There is also a Roulette table in the Stockmen's Association Headquarters in NCR Downtown.
A casino game played with a machine in solitaire. The machine is activated by means of a lever and the object of the game is to align three symbols visible on the front of the machine when it stops. Any winnings are based on patterns of symbols visible on the front.
An arena game existing only in Los. The players can bet on the outcome of fights between one or many people against others or one or many people against wasteland creatures, or fight in the arena themselves. If a player manages to survive 20 fights, they can face the champion.
An arena game existing only in Cold Water. The players can bet on the outcome race between four radroaches.
An arena game existing only in Redding. The players can bet on the outcome of fights between two captured and named mole rats.