Slot machines are essentially straightforward gadgets made to amuse players and provide them with the opportunity to win cash. The basic mechanism consists of rummy game apkspinning reels with different symbols on them. Based on the game's paytable, the player receives a payout if the symbols line up in a particular pattern when the reels stop. Contemporary slot machines can have multiple paylines—the lines on which winning combinations can appear—and usually have three to five reels.