KakHome wrote:Without this d2x.ham file, can the Vertigo Series and missions that require Vertigo-enhanced Descent II still be played properly in single player?
No. It contains the robots and weapons that some of the robots use. If you don't have it, you just don't have those robots and so the levels can't be made to work. (Well, the game could replace them with other robots you do have, but what would really be the point?)