A game that runs in an internet browser, either using core browser features (HTML5, CSS and JavaScript) or plugins including Flash, Java, Silverlight or the Unity Web player. Add the relevant tags for the plugin or language you're using.
A browser based game is a game that runs in an internet browser, either using core browser features (HTML5, CSS and JavaScript) or proprietary plugins (usually Flash, Java or Silverlight). For games built using Flash, Silverlight of Java web technology, add the relevant tags.
With the wider adoption of HTML5 technologies and modern browser standards like SVG, Canvas, WebGL, WebSockets and other terms, 'browser based game' is usually used to refer to the 'pure' web technologies based games, since they gave those games a huge boost in popularity. A widely known example of such a game is the Browserquest game created by Mozilla for demonstration of WebSockets technology capabilities. The source code for the game is freely available.
