Here is the full list of all 19 Road to Ballhalla trophies - there are 17 bronze and 2 silver.
Finished trial 1-1.
Earned all Tokens on Corollia.
Earned all Time Stars on Corollia.
Finished trial 2-5 on Ballderaan.
Earned all Tokens on Ballderaan.
Earned all Time Stars on Ballderaan.
Finished trial 3-5 on Dagoball.
Earned all Tokens on Dagoball.
Earned all Time Stars on Dagoball.
Finished trial 4-5 on Rollin IV.
Earned all Tokens on Rollin IV.
Earned all Time Stars on Rollin IV.
Finally got to Ballhalla and watched the end credits.
You've successfully finished the scavenger hunt.
You've exploited your way to the hole that requires ball hacks.
Earned all tokens in the bonus trials.
You didn't listen to the narrator.
Earned all Time Stars on B-Roll.