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.
Edited a Ninja Info Card.
You've won 1 time in online Ranked Match battles.
You've saved up 999999 Storm Points.
You've gained 50 titles.
You can now use all characters.
You can now use Lars.
You can now use all members of the Akatsuki.
You've cleared Final Chapter.
You've acquired S Rank in "Earth Shatter".
You've cleared Chapter Six.
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 acquired S Rank in "Sturm und Drang".
You've cleared Chapter Two.
You've acquired S Rank in "Showdown Between Best Friends".
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".
You've cleared the Prologue.
You've acquired S Rank in "The Bell-Stealing Drill".
You've acquired all trophies.
You've cleared Fragment.
You've acquired S Rank in "Forbidden Fury".
You've acquired S Rank in "The Two Uchiha".
You've acquired S Rank in "Battle Between the Sage God".
You've seen all secret factors.
You've retrieved all cursed dolls.
You've retrieved all Tonton's pearls.
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.
You've picked up 500 items.
Saved up 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.
Your total play time is over 30 hours.
You've won 10 times in online Ranked Match battles.