Grand Theft Auto V well on its way to billion-dollar sales

The video game company behind "Grand Theft Auto V" says sales of the blockbuster game topped $800 million in its first day on the market.

The wildly anticipated gamehit stores in the U.S. and elsewhere in the world on Wednesday. It has not yet launched in Japan and Brazil.

Take-Two Interactive Software Inc. says the launch is the biggest of any game in the company's history.

Though there are new video game consoles coming out in November, "GTA V" was created for the current gaming systems, namely Microsoft's Xbox 360 and Sony's PlayStation 3. It's expected to be the biggest game of the holiday season.