Here is the full list of all 50 Fist of the North Star: Ken's Rage 2 (JP) achievements worth 1,000 gamerscore.
Take part in 10 online Co-op Play games.
Win 10 online Team Matches.
Defeat Zeed in the Legend Mode episode "Zeed Attacks."
Defeat Shin in the Legend Mode episode "The Flames of Obsession."
Defeat the Colonel in the Legend Mode episode "The Tears to End Ambition."
Defeat Devil Rebirth in the Legend Mode episode "The Incarnation of Indra."
Defeat Fang King in the Legend Mode episode "The Stone-Shattering Fist."
Defeat Jagi in the Legend Mode episode "Blood Feud."
Defeat Amiba in the Legend Mode episode "Tragic Genius."
Defeat Uighur in the Legend Mode episode "The Quiet Giant."
Defeat Raoh in the Legend Mode episode "The Harbinger of Death."
Defeat Juda in the Legend Mode episode "Into the Flames of Hell."
Defeat Shew in the Legend Mode episode "The Star of Benevolence Awakens."
Defeat Thouzer in the Legend Mode episode "The Empire Crumbles."
Defeat Ryuga in the Legend Mode episode "Tears of the Wolf."
Defeat Raoh in the Legend Mode episode "The Moment Has Come."
Defeat Raoh in the Legend Mode episode "Farewell, My Rival."
Defeat Ein in the Legend Mode episode "A Fearless Smile."
Defeat Falco in the Legend Mode episode "A Duel to Split the Heavens."
Defeat the Nameless Shura in the Legend Mode episode "Those Who Would Consume Death."
Defeat Keiser in the Legend Mode episode "The Most Evil Art on Earth."
Defeat Han in the Legend Mode episode "A Fated Legacy."
Defeat Hyou in the Legend Mode episode "Brother Against Brother."
Defeat Kaioh in the Legend Mode episode "A Destined Encounter."
Complete all Legend Mode episodes.
Complete Dream Mode with Kenshiro.
Complete Dream Mode with Toki.
Complete Dream Mode with Raoh.
Complete Dream Mode with Jagi.
Complete Dream Mode with Rei.
Complete Dream Mode with Shin.
Complete Dream Mode with Thouzer.
Complete Dream Mode with Juda.
Complete Dream Mode with Shew.
Complete Dream Mode with Fudo.
Complete Dream Mode with Bat.
Complete Dream Mode with Rin.
Complete Dream Mode with Shachi.
Complete Dream Mode with Hyou.
Complete Dream Mode with Kaioh.
Complete Dream Mode with Mamiya.
Complete Dream Mode with Ryuga.
Complete Dream Mode with Juza.
Complete Dream Mode with Ein.
Complete Dream Mode with Falco.
Complete all Dream Mode challenges in Free Mode.
Complete all Dream Mode quests with the highest Level.
Play the game for over 50 hours in total.
Defeat 100,000 enemies.
Collect all scrolls and complete an Ultimate Nexus.