The most popular online slots are those which provide the optimum payouts. Some of these games are Starburst, Book of Ra, Thunderstruck II, and Booklet of Dead. Despite the fact that there are a few more that are just as great. Read on to learn about them. You will be pleasantly shocked with what you can win! Thunderstruck II If you’re looking for one of the top-quality online slot online, Thunderstruck II is a great choice. This slot sport from IGT has strong graphics and animations, and a booming soundtrack. It characteristic four bonus games based on Norse mythology, and…