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