.bik

The file extension .bik is used with the Bink file format. It is a proprietary video system developed by Rad Game Tools for use with video game consoles. It can produce resolutions from 320x240 all the way up to High-definition (HD) video. It is used with a number of video game consoles including PS3, Xbox 360, PS2, Wii etc. and also is used with games for the Windows and Mac platforms.