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.
You've acquired all Ninja Info Cards.
You've saved up 999999 Storm Points.
You've won 10 times in online Ranked Match battles.
You've won 1 time in online Ranked Match battles.
You've cleared all events.
You've seen friendship events for everyone.
You've cleared all correspondence events.
You've collected all collection items.
You've cleared all requests.
You've cleared the 10 trials.
You've acquired all battle items.
Collected 100% of the stories.
You've seen all memories.
You can now use all characters.
You can now use Lars.
Your total play time is over 30 hours.
You've retrieved all Tonton's pearls.
You've gained 50 titles.
You've retrieved all cursed dolls.
Saved up 999999 Ryo.
You've cleared Fragment.
You've collected all messenger birds.
Edited a Ninja Info Card.
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".
You've cleared Chapter Two.
You've acquired S Rank in "Showdown Between Best Friends".
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 picked up 500 items.
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".