Slot machine symbols can be anything from fruits to numbers to letters to characters with a specific theme. They also vary depending on the game's theme. Every symbol is worth a different amou3 reel slotsnt, & different combinations yield different rewards. Certain slot machines have special symbols, such as scatters & wilds, that can activate extra spins or bonus rounds. Fairness & randomness are ensured by using a random number generator (RNG) to determine the result of every spin. There are many varieties and price points of slot machines, ranging from high-limit to penny slots.