Full list of all 13 Phantasy Star Universe achievements worth 1,250 gamerscore. It takes around 25-30 hours to unlock all of the achievements in the base game.
The base game contains 8 achievements worth 1,000 Gamerscore, and there is 1 DLC pack containing 5 achievements worth 250 Gamerscore.
Defeated Dulk Fakis 2.
Defeated Dulk Fakis.
Defeated Dimmgagolus.
Defeated Magas Maggahna.
Defeated De Ragnus.
Defeated Adahna Degahna.
Defeated Onmagoug.
Defeated De Ragan.
Defeat boss in temple area. (Exclusive to AOTI)
Defeat boss in cave area. (Exclusive to AOTI)
Defeat boss in relics area. (Exclusive to AOTI)
Defeat boss in dark area. (Exclusive to AOTI)