There are many different types of online real money slots. The most common type is the video slot, which has several reels that spin when a button is pressed. There are also progressive slots, which have a jackpot that grows as more people play the game. There are also bonus slots, which give players the chance to win additional money (for example, slots with bonus games). We have reviewed all the options on our page. Not all games are created equal. The Return to Player (RTP) measures the amount of money that the player will receive in the long run when they play a slot game real money. The RTP for slot machine games is usually lower than for other casino games. However, some online slots for real money can have a high RTP of 98% or higher, meaning that for every hundred dollars wagered, you should receive $98 on average in the long run. The highest RTP lucky charm slot machine slots in the US are: