A slot machine is a popular casino game that features spinning reels with various symbols. Players insert coins or credits and press a button or pull a lever to spin the reels. When the reels stop, winning combinations of symbols result in payouts based on the game's paytable. Classic slots have three reels, while modern video slots often include five or more, along with bonus features like free spins, wild symbols, and multipliers. The outcome is determined by a random number generator (RNG), ensuring fair play. Slot machines come in many themes, from fruit symbols to adventure-based designs, appealing to a wide range of players. They are simple to play, relying mostly on luck, making them a favorite in both land-based and online casinos. Progressive slots offer jackpots that grow with each bet, adding excitement.