Here is the full list of all 50 Naruto Shippuden: Ultimate Ninja Storm 2 achievements worth 1,000 gamerscore.
You've unlocked all achievements.
You've acquired all titles.
You've acquired all Ninja Info Cards.
You've collected all collection items.
You've won 10 times in online Ranked Match battles.
You've saved up 999999 Storm Points.
You've won 1 time in online Ranked Match battles.
You've cleared all events.
You've cleared all requests.
You've cleared the 10 trials.
You've acquired S Rank in "Earth Shatter".
Collected 100% of the stories.
You've seen all memories.
You've seen friendship events for everyone.
You've acquired all battle items.
You've cleared all correspondence events.
You've collected all messenger birds.
You've retrieved all cursed dolls.
You've cleared Fragment.
Your total play time is over 30 hours.
You've acquired S Rank in "Battle Between the Sage God".
You can now use all characters.
You can now use Lars.
You've acquired S Rank in "The Two Uchiha".
You've seen all secret factors.
Saved up 999999 Ryo.
You've retrieved all Tonton's pearls.
You've gained 50 titles.
You can now use all members of the Akatsuki.
You've cleared Final Chapter.
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".
Edited a Ninja Info Card.
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 500 items.
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".