Video slots frequently have five or more reels and a large number of paylines, whereas classic slots usually have three reels and a few paylines. Slot machines with progressive jackpots givesatta results players the chance to win big because the prize pool grows bigger and bigger with every spin until a winner is found. It's important to understand the different features & symbols that can show up on the reels when playing online slots. Scatter symbols initiate bonus rounds or free spins; wild symbols, on the other hand, can replace other symbols to form winning combinations.