Slot machines feature 3-5 digital reels displaying vibrant symbols like fruits, numbers, and themed icons. These high-tech games can have from 10 to 100 paylines, with some machines offering up to 243 ways to win on a single spin. Popular symbols include lucky 7s, BAR symbols, and game-specific characters.

Begin with small bets, typically $0.25 to $1 per spin. Choose your preferred number of active paylines - more lines mean more chances to win, but cost more per spin. Most machines allow you to adjust your bet size using plus and minus buttons and offer an autoplay feature for continuous spins.

Look for machines with engaging bonus features like "Pick Me" rounds, where you select treasure chests for instant prizes, or cascading reels where winning symbols disappear to let new ones drop in. Many games offer multipliers up to 10x your win during free spins, and some feature interactive mini-games between regular spins.