This post details A Very Merry Christmas Murder Mystery. A top-rated murder mystery party game on Amazon UK. From Flexi Party. With parts for 4 to 8 players (4 male and 4 female character roles). Age rated 13 years old and up. Designed to be flexible, play in groups or individually (minimum of 4 players).
For more top murder mystery games from Flexi-Party, see my list of posts below.
Update 2020: The game makers have confirmed that this mystery-solving game can also be tweaked to be played virtually. So you can play this game online via Skype or Zoom with family, friends or co-workers. More information available from Amazon, see the links below.