Slot machines have, over the years, been the icon symbol for any casino, whether land-based or online. Casino owners have discovered this and, to enhance their popularity, they have developed slots based on themes.What do we mean by themes?Slot machines have a basic theme which attracts many players. The themes are based on the fantasies and the likes of the players. For example, a famous character (e.g. Superman and Batman), jungles (Savanna, Caribbean) and favorite toys (Motorbikes). People’s fantasies form the basis of the theme. When someone plays a game within his/her fantasy, they are most likely to enjoy it and also keep coming back for more games.Casino owners have found a way of blending these themes with adventure. Getting a conquest based on your fantasy increases the thrill of the game. All this combined with numerous bonuses and additional free spins enhances the excitement the game offers. It is a genius way to market online slots. The competition for casinos has been on the rise and it is the intention of every casino to increase the traffic of customers coming to their casino. Therefore, it is better to have the largest variety of themes in the slot machines in any casino.