Use this expansion to play with V-Sabotage expansions (you will need both V-Sabotage core box and V-Sabotage Miniature Pack as well).
Contents:
View V-Sabotage: Miniature Pack page on Board Game Geek
It was already a very good game when I bought the original edition many years ago. Now, with the miniature packs and the Ghost extension, it is an excellent game.