Online Casinos are very popular and lot of individuals are playing and gambling. Online casinos may be split into three groups based on their interface: web-based casinos, download-based casinos, and more recently live casinos. Some casinos offer multiple interfaces.

Web-based online casinos are different sites where gamblers/users can play casino games such as online Bingo, Black Jack, Baccarat, Poker and several more. They don't need to download any software to their computer. The games are represented within the owner's browser plug-ins Macromedia Flash, Macromedia Shockwave, or Java. Additionally, bandwidth is necessary as a way to play the sounds, the pictures and animations. Web-based are the most popular.

Download-based great online betting casinos require the user to possess a computer as a way to download the on-line casino software for him to play the games and gamble on the internet casino. The internet casino software connects directly to the casino company without browser support.