Here is the full list of all 49 Root Double -Before Crime * After Days- Xtend Edition achievements.
Obtained all achievements.
Unlocked all TIPS.
Unlocked all memories in Xtend Episode.
Viewed all scenes.
Opened Xtend Episode.
Set everyone's Senses to their minimum values.
Set all female characters' Senses to their minimum values.
Set a character's Senses to their minimum value.
Set Salyu's Senses to her maximum value, and set all other characters' Senses to their minimum values.
Viewed all Bad Endings.
Viewed all endings/epilogues.
Viewed √D Normal Ending 3.
Unlocked all event CGs in Album.
Viewed √D Normal Ending 2.
Viewed √D Normal Ending 1.
Viewed √D Good Ending After.
Viewed √D Good Ending BEFORE.
Viewed √D True Ending.
Unlocked all music tracks in Music.
Viewed Yuuri's bonus √D Epilogue.
Viewed Salyu's bonus √D Epilogue.
Viewed Mashiro's bonus √D Epilogue.
Unlocked all "Beyond*BEYOND" TIPS.
Viewed Jun's bonus √D Epilogue.
Viewed Kazami's bonus √D Epilogue.
Viewed Ena's bonus √D Epilogue.
Viewed √D Good Ending Before.
Viewed √D Good Ending AFTER.
Set a character's Senses to their maximum value.
Set everyone's Senses to their maximum values.
Erased all malice in the RAM System.
Viewed the RAM System tutorial.
Unlocked 50% of TIPS.
Started √D.
Viewed √C Good Ending.
Viewed 50% of scenes.
Started √C.
Viewed √B Good Ending.
Unlocked 50% of event CGs in Album.
Started √B.
Viewed at least one Bad Ending.
Viewed √A Normal Ending.
Viewed √A Good Ending.
Opened the MAP screen.
Unlocked 50% of music tracks in Music.
Opened the TIPS screen.
Viewed the Senses Sympathy System tutorial.
Opened the Senses input screen.
Started √A.