Bingo Apparatus

Described is a method of constructing prize structures that are particularly useful in gaming systems which can be used to implement various games such as bingo and poker. In particular the described pay structures and game systems can have sufficient granularity such that the outcome or payoff of the game being played can be expanded to provide higher payout amounts as well as closely replicate the payoff of a second game. Included are methods and apparatus for playing bingo games and determining which bingo cards are winners. In addition, methods and apparatus for evaluating or checking each card in a bingo game using a bit marked card technique and vector operations are described.