most games especially older ones use Bink videos & if it is confirmed that the game uses that then u can visit the official site
Rad Game Tools. i don't know what's the difference between the official bink video player & that of
Free Codecs website, but u can always read up on the details.
hope that helps, Mick, & do let us know how u fare with these if the files are indeed of bink format.
another obstacle can be due to the game system which keeps the video files in one large archive file, which i have no idea how to read & open & extract. seems propriety or maybe it's some obscure format.