Burnout Paradise
60 Achievements
1250
80-100h
Xbox 360
Xbox One
Xbox Series
Join the Party
Completed 1 online Challenge
10
How to unlock the Join the Party achievement in Burnout Paradise - Definitive Guide
Sabre120
TrueAchievements
TrueAchievements
This is fairly simple, go online with a friend or a random person in freeburn, then use your ingame burnout menu to flick through game type options (press right on the d-pad) down to freeburn challenges, choose one and complete it.
Darth, Heyburt, Fizzmatix
Complete your first online challenge, see "Block Party"