Although it. Slotsflix Casino is an online casino catering to jurisdictions around the world. Eligible players can use Pay'n Play, which means they won't need to. . Although it. Slotsflix Casino is an online casino catering to jurisdictions around the world. Eligible players can use Pay'n Play, which means they won't need to. The game collection is cutting-edge and regularly updated with new titles, available to play instantly on any device without the need for downloads. The game collection is cutting-edge and regularly updated with new titles, available to play instantly on any device without the need for downloads.