Buy-a-pay slots can be tricky, so again, pay attention to the rules of our particular machine. Whereas many slots will allow you to buy more lines in order to increase your chances of winning, buy-a-pay machines allow you to buy combinations.
For example, if you play one credit, you will only win if the bar symbols line up. Play two credits, and you can hit the jackpot if either the bars or the cherries line up, while three adds the bell symbol in addition to the bar and cherry.
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Increase your ways to win by selecting multiple paylines.
So, if you’ve only paid two credits and you get three bells in a row, you’ll win nothing. Because of this, it’s generally advisable to bet the maximum on buy-a-pay slots in order to increase your ways of winning on any given spin.