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