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