CheatCodes.com has the complete list of all Final Fantasy XIII Achievements and Gamerscores for X360, including all secret Achievements. All official X360 achievements for Final Fantasy XIII as of Wednesday August 20, 2014 are shown below, or you can print out our Printable Achievements Checklist that shows all Final Fantasy XIII Achievements and Gamerscores in a simple quick-reference format.
Mastered the Commando role.
Mastered the Ravager role.
Mastered the Sentinel role.
Mastered the Saboteur role.
Mastered the Synergist role.
Mastered the Medic role.
Dealt 100,000+ damage with a single attack.
Felled a heavyweight of the lowerworld wilds.
Fully developed all characters.
Held every weapon and accessory.
Discerned the full attributes of 100 enemies.