Online casinos, generally known as virtual casinos or internet casinos, are online versions of traditional ("brick and mortar") casinos. Online casinos enable gamblers to play and wager on casino games throughout the Internet. Online casinos can be divided into three groups according to their interface:

Web-based casinos are sites where users may play casino games without downloading software to the local computer.Download-based casinos will be the ones which require the download of the software client as a way to play and wager on the casino games offered. Live casinos allow web players to communicate with games played in a real world casino environment. Online players can see, hear, and visit my homepage interact with live dealerships at tables in casino studios worldwide.