There's bound to be a slot machine that piques your interest, regardless of whether you like traditional themes like those of ancient civilizations or contemporary themes based on pop cuindian slots apklture. How a Progressive Jackpot Is Won. In order to win the progressive jackpot, players usually have to wager the maximum amount permitted by the game and get a particular combination of symbols to appear on the reels. Different games have different prerequisites for winning the jackpot, but generally speaking, it involves accomplishing a difficult and uncommon goal.