Online casino is a derivation of the land-based traditional casino, often known as virtual casinos or gambling sites and providing diverse games or a single one according to the website operation, franchise, etc. The on-line casino offers generally better odds than land-based casinos for games such as slot machines where the probability of winning are regulated through the house, the so-called house advantage.

On August 18, 1995 the world's first online casino debuted, Internet Casinos, Inc. (ICI) operating with 18 different casino games and for the very first time offering also online access to the nation's Indian Lottery. On the flip side, since the early days ICI operates out of the Turks and Caicos Islands, outside the country to avoid government prosecution.

Moreover, in the mid 90's, two other online casino's made their debut claiming to be the first; The Gaming Club and Intertops casino and sports book, which in fact launched the first online sports book before Internet Casinos, Inc.. Developing a reputable service with reliable payouts, high security, efficient customer support, and serving a large range of customers excited with this new gambling modality, the internet casino succeeded.

The spring of 1996 brought into the gambling scene a second sports book preparing to launch an online casino since they did. The Interactive Gaming & Communications Corp. (SBET), soon being a publicly traded company listed on NASDAQ. The financial success of this online casino is just not only the net, but also the acceptance of bettors' sports wagers via telephone calls to Antigua on a toll-free line via satellite.

Due the American gambling laws of regulations, the online casino industry has been developed mainly from the Caribbean Islands nations, as well as from Asian and European countries where even governments have also entered the business holding their very own good gambling sites, like Liechtenstein's government operating an online international lottery, not only in German but in six different languages to drive international traffic.

Atlantis, was the very first online casino based in Great Britain and licensed by the Isle of Man, an inspirational proven fact that made Sol Kerzner, its owner, develop a brand new concept in online gambling; the thematic online casino.

Today, this online casino has become one of a kind offering from five-figure slots payouts and progressives, offering free trips to Atlantis, the Paradise Island in Bahamas, and property of Mr. Kerzner. Atlantis was also the first casino recognizing the importance of players introducing the VIP program, exclusive for London Club's Members.