The online slot machine industry is big business as it is one of the most profitable for casinos. According to the Global Market Insights report, the global online gambling market is expected to grow to $46.6 billion by 2022. The report also estimates that by then, there will be more than 900 million active gamers. Not all slots are created equal, and everyone has their favourite.

So, which are the most popular slot machines? Those that have been played the most are some of the most popular games in the world. These are the ten most played slots around the world. The infographic presents the most played online slots in the world.



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