Online games are those games which are played on some type of network like internet or local area network. Online games exist in the form from text based games to games having complex graphics and virtual worlds. These games may be played by one user or multiple users at a time. There are various online communities where these online games are played and it makes it like a social activity.Online gambling is a general term for gambling using the Internet.
There are various online games like World Of Warcraft, Final Fantasy XI, and Lineage II which have some charge as a monthly fee to subscribe to their services, while games such as Guild Wars are free to play. Many other sites find their revenues by advertisements on the website while playing.
Now, the languages like java are used to make these online games and the softwares like Flash are used to make these sites more effective and decorative.
Today's browsers are more sophisticated, now there are browser games on the internet which are played with the help of the browsers and there is no need to install additional softwares on their local systems to play these games. Simple single player games were made that could be played using a web browser via HTML and HTML scripting technologies like JavaScript, ASP, PHP, and MySQL.