Xbox Live Primetime has been delayed by creators Microsoft.

The New Experience quiz feature was due to be released this November, but will now not appear until spring 2009.

Primetime has been billed as a series of scheduled live online games in which players can use avatars to compete for cash prizes.

According to a Forbes report, managers have described the as "necessary in order to ensure a smooth launch of the system's new user interface".

The new interface, also known as the is still scheduled to launch on November 19th.

By James Wallis