Outstanding graphics are offered by the King of Slots slot machine, a product designed by NetEnt who depends not only on visual effects and captivating animations but also on a game system based on the presence of a number of special features. The game has been exclusively designed for only one online casino and cannot be found at the leading websites. Some of the symbols are associated with functions or bonus modes, such as the Wild and Scatter ones, and the presence of the special function Sticky Win is able to block the symbols on the reels and give the player free games. This feature in fact is used to block the various symbols that make up winning combinations in their respective positions, rotating the reels for further play for free and re-triggering with each new win. This mechanism allows the player to make more combinations and in sequence to extend those obtained during the various bets. As for the Wild and Scatter symbols, the first one can substitute for any regular symbol in the game and the second is in charge of triggering the free spins mode. The latter in particular is activated with at least 5 Scatters and gives up to 30 free spins for 9-15 symbols of the bright rubies. It is possible to get so many scatters due to the Sticky Win feature we mentioned earlier as three scatters are enough to start another spin. All the wins obtained during the free spins will be tripled. The highest paying regular symbol in the game is as expected a crown fit for a king. It is followed by three symbols showing different valuable pieces of jewelry designed to look like fruits: watermelon, lemon and cherries. Five card symbols complete the table and these are fairly simple, with an elegant touch to fit the overall style.