Online casinos, also known. Online casinos, also known. Online casinos, also known as virtual casinos or Internet casinos, are online versions of traditional casinos. . Online casinos, also known as virtual casinos or Internet casinos, are online versions of traditional casinos. Online casinos, also known as virtual casinos or Internet casinos, are online versions of traditional casinos. Online casinos enable gamblers to play and wager on casino games through the Internet. Online casinos enable gamblers to play and. Online casinos enable gamblers to play and. It is a prolific form of online gambling. Online casinos enable gamblers to play and wager on casino games through the Internet. . It is a prolific form of online gambling. It is a prolific form of online gambling.