The basic idea behind how they work is that players spin the reels, insert money, and hope to land on a winning combination of symbols. From traditional three-matka gamereel designs, modern slot machines have developed into complex video slots with five or more reels, numerous paylines, & a wide variety of themes. In order to maintain gameplay fairness, each machine is outfitted with a Random Number Generator (RNG), which guarantees that each spin is independent and unpredictable.