Nintendo Co Ltd has mobilised Sony Corp to help it extend its world domination of the home video games player market. Sony has agreed to develop a compact disk player for use with Nintendo’s Super Famicom 16-bit games machine. The new compact disk player will be incompatible with current audio players, but will include sound and video – and Sony is expected to get involved in the games market by exploiting the library of films owned by its Columbia Pictures unit. The combination is games machine and compact disk player is expected to cost between $500 and $700, at which price, annual sales are forecast to go as high as 1.2m. They are planned for launch sometime this year.