Online casinos, often 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 over the Internet. Online casinos may be divided into three groups based on their interface:

Web-based casinos are websites where users may play casino games without downloading software to the local computer.Download-based casinos are 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 interact with games played in a real world casino environment. playing online gambling site players can see, hear, and communicate with live dealerships at tables in casino studios worldwide.