A1 Bingo offers 4 Halls to choose from featuring a FREE Hall that is always open. The 90 Ball Hall has traditional 90 Ball games and also Unique 90 Ball Pattern games. All 90 Ball Hall prizes and Jackpots are based in pounds. Cards prices in 90 Ball Hall range from 1p to 10p. Players may choose to View their A1 Bingo currency in: GBP, CAD, EUR, AUD or USD. A1 Bingo offers a variety of deposit options such as Neteller, E-Wallet Express, Firepay, Visa, and Mastercard with a minimum deposit of $20.