You can choose between classic 3-reel slots or go for the more modern and riskier 5- and 7-reel slots, depending on personal preference. Here’s a list of the most recognizable online casino slots and the different variations. Jackpots tend to be the most profitable type of slot machines Highly volatile slots can cause a lull in your winnings but also follow up with more substantial gains down the line. Slot machines pay out smaller winnings on a more frequent basis (low-medium variance) or more wins in a sporadic manner. In addition to the RTP, players also pay attention to variance. Still, don't expect to find many slots with an RTP close to 99%.

You'll notice that even at the highest percentages, these games will always favor the house. This is an average, of course, so results will differ from player to player. It has a RTP of 97%, which means players are likely to make $97 for every $100 bet. Slot machines have a 'Return to Player' percentage, which represents how much money slots return to players over time.

The table above showcases the slot games that offer the highest percentage of payout. READ MORE: Best Online Casinos for Beginners RTP Percentage Explained We ranked slots by Return to Player percentage, which we'll explain more below. Research does show that there are slot machines that offer gamers a better shot at winning than others. Every online gamer will have an opinion about which slots are superior, but this is based on more of a gut feeling and superstition.

Odds of winning online slot jackpot