Koei has announced a cooperation with graphics giant Nvidia. As part of the cooperation, the company's PC online titles will fully support Nvidia's graphics chips and the two companies will work towards joint product promotions and marketing. As a first step, the PC version of Koei's PlayStation 2 MMORPG Nobunaga's Ambition Online has been optimized to run on Nvidia's hardware. Since the original PS2 release last year, the game has sold 70,000 copies in Japan. Within this year, Koei aims at sales of 200,000 copies, following the release of the PC version in Japan.

• GameOnline