Online slots are computerized versions of the traditional fruit machines you find at casinos. They work on a series of vertical reels filled with symbols, and the reels spin and stop randomly thanks to a random number generator that is regularly audited to ensure fairness. The symbols on the paylines line up to form winning combinations, which payout based on the paytable. Some games even include wild symbols and scatters to create more exciting winning opportunities.
The most popular types of online slot games include classic, progressive jackpot, and video. The latter offer a more modern experience with more features and bonus rounds. They are also easier to understand and play than physical slot machines, which can have complicated interfaces and multiple game modes.
You can play online slots from anywhere, provided the casino you choose has a license and a good reputation. You can also check the RTP (return to player) rate and variance for each slot game on the casino’s website. These numbers help you determine how much you can expect to win per spin, and whether it is worth playing or not.
Some online slot sites also give you cashback on every single bet you make. This is usually 0.6%, and it varies by game type. One of the most popular US-friendly sites is BigSpinCasino, which has a welcome bonus of 200% up to $1,500 and several other bonuses like reload offers, slot tournaments, and player of the month rewards.