This might help:Total Video Converter

Game Video Formats:
¡¤ Technologies format, used in some games(.4xm)
¡¤ Playstation STR
¡¤ Id RoQ used in Quake III, Jedi Knight 2, other computer games
¡¤ format used in various Interplay computer games,Interplay MVE
¡¤ multimedia format used in Origin's Wing Commander III computer game,WC3 Movie
¡¤ used in many Sega Saturn console games, Sega FILM/CPK
¡¤ Multimedia formats used in Westwood Studios games, Westwood Studios VQA/AUD
¡¤ Used in Quake II, Id Cinematic (.cin)
¡¤ used in Sierra CD-ROM games, Sierra VMD
¡¤ used in Sierra Online games, .sol files
¡¤ Electronic Arts Multimedia, Matroska
¡¤ used in various EA games; files have extensions like WVE and UV2
¡¤ Nullsoft Video (NSV) format