Each user has a personal Zune Tag, which corresponds with his Xbox Live Gamer Tag if he has one.
These were to be known as the second generation of Zunes.
The Zune 80 featured a 3.2 inch screen, while the Zune 4 and 8 come with an 1.8 inch screen.
Zunes feature games developed using XNA with custom soundtracks and 8-player wireless multiplayer using the built-in Wi-Fi.
An early version of XNA Game Studio 3.0 released on May 7, 2008 allows developers to work on Zune games.
The fourth-generation Zune took a big leap when Zune HD 16 GB and 32 GB capacities were released on September 15, 2009.