The Party Pack Add-on for Burnout Paradise has 7 trophies - 3 bronze and 4 silver.
Awarded when 8 players have completed an 8 Round Party.
Awarded when every player in a Party takes a photo of themselves. Requires a USB camera to be connected.
Awarded when 5-7 players have completed a Party.
Awarded when 2-4 players have completed a Party.
Awarded upon completing a Party in which every player successfully completes every Game of every Round.
Awarded when you complete the 1st Round of your 1st Party.
Awarded when every player successfully completes a Party Round.