The various cool themes, visuals and sonic appeals of 5-reel slots are just a few things that make them such a pleasure to play. Not only do they come in thousands of different themes, but each one has the most eye-catching graphics, immersive sound effects, crazy and colourful symbols to play with, and swanky animations that truly capture the atmosphere like no other casino game. 5-reel slots are pretty much unrivalled in their popularity compared to other subgenres of online slot machines.