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 acquired all trophies.
You've acquired all titles.
Your total play time is over 30 hours.
You've won 10 times in online Ranked Match battles.
You've acquired all Ninja Info Cards.
You've saved up 999999 Storm Points.
You've collected all collection items.
You've cleared all events.
You've seen friendship events for everyone.
You've cleared all correspondence events.
You've cleared all requests.
You've acquired all battle items.
Saved up 999999 Ryo.
You've acquired S Rank in "Earth Shatter".
You've seen all secret factors.
Collected 100% of the stories.
You've collected all messenger birds.
You've cleared the 10 trials.
You've retrieved all cursed dolls.
You've acquired S Rank in "Sturm und Drang".
You've cleared Fragment.
You can now use all characters.
You can now use Lars.
You've seen all memories.
You've gained 50 titles.
You've retrieved all Tonton's pearls.
You've acquired S Rank in "Sand and Art Blast".
You've acquired S Rank in "The Two Uchiha".
You can now use all members of the Akatsuki.
You've cleared Final Chapter.
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 cleared Chapter Four.
You can now use Sasuke, Suigetsu, Karin and Jugo.
You've cleared Chapter Three.
You've cleared Chapter Two.
You've acquired S Rank in "Showdown Between Best Friends".
You've picked up 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've won 1 time in online Ranked Match battles.
You can now use Gaara, Kankuro, Temari and Chiyo.
Edited a Ninja Info Card.
You've cleared the Prologue.
You've acquired S Rank in "The Bell-Stealing Drill".