Progressive jackpot its break-even level) than a game that requires only a 5-credit wager to qualify. Usually the jackpot can only be won by winning the combination with the highest payoff, e.g. a royal flush at a video poker game, or five of the most valuable symbols (lemons, cherries, alligators, etc.) on a slot machine. In some games such as video poker, blackjack, or Caribbean stud poker, it is possible to compute an optimal playing strategy based on the average payoff (the amount of payoff times the chance of payoff). Because the jackpot of a progressive game constantly grows, it sometimes exceeds
Video poker of 100.2 percent, when played with perfect strategy — however, this % is only on a "10/7" version video poker game (10/7 being the payouts for a full house and a flush). There are many other video poker varieties of 10/6, 9/6, etc. that have slightly lower than the most generous 10/7 version payout. Although the full-pay version has a theoretically-positive return, few play well enough to capitalize on it. Double Bonus is a complex game.(4) It is also available with other pay schedules that have lesser theoretical returns: "Double Double Bonus" video poker is a variation of Jacks or