How do slot games work?

Each time you click the "spin" button on the relevant slot game, the result will be determined by a random number generator within the slot game.  

To get a return it usually involves:

• getting matching symbols or other winning combinations on either consecutive reels or one or more paylines; or
• triggering any other winning feature or event,

however, all of the relevant details are shown in each slot game's paytable (which is accessible via the slot game's in-game menu).  

Other details in respect of each slot game are available in the relevant in-game menu, help pages, and game rules (eg. any bonus features, paylines, potential returns (as proportionate to stake), and RTP.