The Wii Fit continues to sell strongly week on week, ever since its launch. In fact sales haven’t slowed since it was released, and don’t look like slowing as the run up to Christmas intensifies. It’s on course to become one of the bestselling video games of the year (even though it’s not technically a videogame.

Analysts predict that the game could even outsell GTA IV if it continues to sell at its current rate.

According to sales figures provided by VGChartz.com, the Nintendo Wii Fit has sold a staggering 8.7 million units worldwide. This is just behind GTA IV in terms of sales, having sold 10.6 million since it was released in April.

According to VGChartz.com, the Wii-Fit has been more consistent in its sales since its release, selling over 200,000 units each week for the last few months.

Michael Pachter is an analyst with the company Wedbush Morgan. He claims that the success of the Wii Fit doesn’t necessarily show that convention games are becoming less popular.

I consider Wii Fit more of a platform than a game.

He says that the Wii Fit shows the potential and flexibility of the Wii as a console.