Here is the full list of all 50 Naruto Shippuden: Ultimate Ninja Storm 2 trophies - there are 42 bronze, 4 silver, 3 gold and 1 platinum.
You've saved up to 999999 Storm Points.
You can now use all characters.
You can now use Lars.
You've gained over 50 titles.
You've cleared Fragment.
You've retrieved all Tonton's pearls.
You can now use all members of the Akatsuki.
You've cleared Final Chapter.
You've acquired S Rank in "Earth Shatter".
You've seen all secret factors.
You've cleared Chapter Six.
You've acquired S Rank in "Battle Between the Sage God".
You can now use Jiraiya, Tsunade and Orochimaru.
You've cleared Chapter Five.
You've acquired S Rank in "The Two Uchiha".
You've cleared Chapter Four.
You can now use Sasuke, Suigetsu, Karin and Jugo.
You've cleared Chapter Three.
You've acquired S Rank in "Sturm und Drang".
Your total play time in Ultimate Adventure is over 30 hours.
You've cleared Chapter Two.
You've acquired S Rank in "Showdown Between Best Friends".
You've picked up over 500 items.
You've acquired S Rank in "Forbidden Fury".
You can now use Kakashi, Yamato, Guy and Asuma.
You can now use members of Naruto's generation.
You've cleared Chapter One.
You've acquired S Rank in "Sakura Dances".
You can now use Gaara, Kankuro, Temari and Chiyo.
You've acquired S Rank in "Sand and Art Blast".
Edited a Ninja Info Card.
You've cleared the Prologue.
You've acquired S Rank in "The Bell-Stealing Drill".
You've acquired all trophies.
You've retrieved all cursed dolls.
You've cleared the 10 trials.
You've cleared all requests.
You've cleared all correspondence events.
You've seen friendship events for everyone.
You've cleared all events.
Saved up to 999999 Ryo.
You've acquired all battle items.
You've collected all collection items.
You've acquired all Ninja Info Cards.
You've acquired all titles.
You've collected all messenger birds.
You've seen all memories.
Collected 100% of the stories.
You've won 1 time in online Ranked Match battles.
You've won 10 times in online Ranked Match battles.