Here is the full list of all 50 Naruto Shippuden: Ultimate Ninja Storm 2 achievements worth 1,000 gamerscore.
You've won 1 time in online Ranked Match battles.
You've acquired S Rank in "Sand and Art Blast".
Collected 100% of the stories.
Your total play time in Ultimate Adventure is over 30 hours.
You've cleared all events.
You've cleared all requests.
You've acquired all battle items.
You've seen friendship events for everyone.
You've collected all messenger birds.
You've cleared all correspondence events.
You've cleared the 10 trials.
You've collected all collection items.
You can now use Lars.
You can now use all characters.
You've retrieved all cursed dolls.
You've seen all memories.
You've cleared Fragment.
You've gained over 50 titles.
Saved up to 999999 Ryo.
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".
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've picked up over 500 items.
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".
You've saved up to 999999 Storm Points.
You've acquired all Ninja Info Cards.
You've acquired all titles.
You've won 10 times in online Ranked Match battles.
You've unlocked all achievements.