CheatCodes.com has the complete list of all Phantasy Star II Achievements and Gamerscores for X360, including all secret Achievements. All official X360 achievements for Phantasy Star II as of Wednesday April 1, 2015 are shown below, or you can print out our Printable Achievements Checklist that shows all Phantasy Star II Achievements and Gamerscores in a simple quick-reference format.
Finish the game by defeating Mother Brain.
Defeat Dark Force.
Advance one of your party to Level 30.
Watch the entire in-game credits roll.
Use a Hidapipe.
Use an Escapipe to escape a dungeon.
Advance one of your party to Level 20.
Open all four dams.
Acquire the Laser Cannon.
Advance one of your party to Level 10.
Reach the Tower of Nido.
Spend 1,200 Meseta on one item.