VOB files...

What do I need to play them? In the folder is also a BUP file and some IFO files. There’s a lot more VOB files though.

There off of a dvd. You need a program that plays dvd’s like WinDvd.

Any free such players?

Steve’s wang, apparently.

I think VLC media player is supposed to…

<-- playapimpdawg

VLC.