Here is the full list of all 50 Saint Seiya: Soldiers' Soul achievements.
Completed the Galaxy War God Cup!
Completed the Galaxy War Legend Cup!
Maxed out Assist Phrase slots!
Collected 50% of Assist Phrases!
Unlocked all of the Gold Saints!
Completed the Galaxy War Gold Cup!
Completed the Galaxy War Silver Cup!
Completed the collection!
Collected 100% of Big Bang Attack movies in the collection!
Unlocked all of the Marinas!
All God Cloth Gold Saints have all been unlocked!
All God Cloth Bronze Saints have all been unlocked!
Unlocked all of the Bronze Saints!
Completed the Big Bang Survival Class!
Completed the God Survival Class!
Collected 80% of titles!
Completed the Legend Survival Class!
Used Rhadamanthys to defeat Orphee, Sorento and Mime 3 times each!
Used Deathmask (Surplice) to defeat Mu after being hit by his Crystal Wall!
Unlocked all of the Silver Saints!
Completed the Galaxy War Bronze Cup!
Performed 50 Cosmic K.O.s!
Used Ichi to clear Survival! (Any class)
Used Jabu to clear Survival! (Any class)
Completed the Gold Survival Class!
Used Poseidon (Tuxedo) to defeat Athena 3 times!
Cleared the Hades arc in Legend of Cosmo!
Cleared all chapters in Legend of Cosmo to 100%!
Obtained 100% of possible "S" clear ranks in Legend of Cosmo!
Unlocked Poseidon, Thanatos, Hypnos, Athena and Hades!
Used Alberich to defeat all of the God Warriors!
Used Siegfried to defeat all of the Marinas!
Unlocked all of the Specters!
Used Mu to defeat Deathmask (Dark Cloth) and Aphrodite (Dark Cloth) 3times each!
Lost a battle without landing a single attack!
Cleared the Poseidon arc in Legend of Cosmo!
Cleared 50% of the challenges in Legend of Cosmo!
Used Kaasa to defeat Seiya, Shun, Hyoga and Ikki!
Cleared the Asgard arc in Legend of Cosmo!
Unlocked all of the God Warriors!
Completed the Silver Survival Class!
Hit with a total of 30 Big Bang Attacks!
Acquired a total of 100,000 CP!
Completed the Bronze Survival Class!
Cleared the Sanctuary arc in Legend of Cosmo!
Obtained first "S" clear rank! (Any mode)
Cleared your first challenge!
Experienced the Tutorial!
Acquired all Trophies!
Collected 100% of Assist Phrases!