However, these titles are games specially created, or at least adapted, for online play - such as id Software's QuakeLive product.

BBC: Technology

Because both BDXL and IH-BD are specially designed formats with specific market segments in mind, newly-designed hardware is required to play back or record BDXL or IH-BD media.

ENGADGET: Blu-ray Discs expand to 128GB under new BDXL spec

The problem NCsoft faced is that most games in Japan, America and Europe are played on specially made consoles, such as Nintendo's GameBoy or Sony's PlayStation2, which is already enabled to play online.

ECONOMIST: Computer games