Here is the full list of all 55 Tokyo Xanadu eX achievements.
Obtain all achievements.
Clear the After Story on Calamity difficulty.
Clear the game on Infinity difficulty.
Obtain all information on friend page in NiAR.
Open all treasure chests.
Clear all stages with an S rank.
Obtain all information on battle page in NiAR.
Forge an unbreakable bond with Ryouta.
Forge an unbreakable bond with Rion.
Forge an unbreakable bond with Shio.
Forge an unbreakable bond with Towa.
Forge an unbreakable bond with Jun.
Amass a 500,000 yen fortune.
Clear after story -From Here on Out-
Obtain all information on book page in NiAR.
Obtain all information on recipe page in NiAR.
Use X-Drive 100 times.
Clear epilogue -A Legend is Born-
Complete all side-quests.
Clear final chapter -Endless Night-
Use EX Skill 300 times.
Obtain every single master core.
Max out Kou's "Wisdom, Courage, Virtue".
Forge an unbreakable bond with Asuka.
Forge an unbreakable bond with Sora.
Forge an unbreakable bond with Gorou.
Forge an unbreakable bond with Mitsuki.
Forge an unbreakable bond with Shiori.
Forge an unbreakable bond with Yuuki.
Use X-Strike 100 times.
Defeat 2000 Greeds.
Use Strike Chain 50 times.
Clear chapter 7 -Hollow Quake-
Traverse 100,000 meters.
Get through a stage without taking any damage.
Fully furnish Kou's room.
Rack up 100 Aerial kills.
Clear chapter 6 -Wing and a Prayer-
Defeat 500 foes with Critical hits.
Chain Kill 100 times.
Clear the intermission -Coming of Summer-
Clear chapter 5 -Hidden in the Fog-
Defeat 1000 Greeds.
Defeat 500 foes with Elemental kills.
Pick the most fortuitous...fortune.
Qualify for the fast clear time bonus in any stage.
Clear chapter 4 -BLAZE: Firestorm of Memories-
Inflict over 5000 points of damage.
Clear chapter 3 -Word of God-
Perform a 200+ hit combo.
Clear chapter 2 -Mysteries-
Defeat 100 Greeds.
Clear chapter 1 -The Eclipse-
Obtain an S rank in any stage.
Wander into the mysterious place of wonder.