The 'house edge' or the 'expected value' is the amount a player is expected to lose, relative to the amount they bet. 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 as appropriate. 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. Playing 10 spins of Roulette gives you the Little Wheel achievement/trophy. 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. Ascorti's Ace and City Hall, Redding Downtown.There is a Roulette table in the Stockmen's Association Headquarters in NCR Downtown. Roulette can be played via dialogue in Fallout and Fallout 2 by speaking to Roulette dealers in the following locations.