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