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