Here is the full list of all 53 SCARLET NEXUS achievements. It takes around 60-80 hours to unlock all of the achievements on Windows.
Performed 50 successful Special Object Follow-Up Attacks.
Revived by an ally for the first time.
Used the SAS over 100 times.
The Suoh Incident occurred.
Successfully performed 20 perfect dodges.
Defeated 5 enemies with 1 bus.
Initiated a guardian vision for the first time.
Gave a gift to an ally for the first time. *Does not include add-ons.
Used the Brain Crush on Others 20 times.
Threw 100 objects with psychokinesis.
First time you changed your Visual Equipment. *Does not include add-ons.
Used Item Exchange for the first time. *Does not include add-ons.
Completed a quest for the first time.
Completed Phase 0.
Unlocked all achievements.
Finished the last battle against Karen.
Reached the 1st playthrough ending.
Started a new game with a different main character after beating the game.
Reached the ending of both Yuito's and Kasane's story.
Saw Yuito Bond Episode 5
Saw Kasane Bond Episode 5
Viewed 'Hanabi Bond Episode 5' in Yuito's story and 'Hanabi Bond Episode 4' In Kasane's story.
Viewed 'Gemma Bond Episode 5' in Yuito's story and 'Gemma Bond Episode 4' In Kasane's story.
Viewed 'Tsugumi Bond Episode 5' in Yuito's story and 'Tsugumi Bond Episode 4' In Kasane's story.
Viewed 'Kagero Bond Episode 4' in Yuito's story and 'Kagero Bond Episode 5' In Kasane's story.
Viewed 'Luka Bond Episode 5' in Yuito's story and 'Luka Bond Episode 4' In Kasane's story.
Viewed 'Shiden Bond Episode 4' in Yuito's story and 'Shiden Bond Episode 5' In Kasane's story.
Viewed 'Kyoka Bond Episode 4' in Yuito's story and 'Kyoka Bond Episode 5' In Kasane's story.
Viewed 'Arashi Bond Episode 4' in Yuito's story and 'Arashi Bond Episode 5' In Kasane's story.
Reached Bond Level 6 with an ally.
Reached Bond Level 6 with all allies.
Gave all gifts to all allies. *Does not include add-ons.
Collected over 200 thousand kins.
Finished off 50 enemies with the Brain Field.
Defeated 1,000 enemies.
Ran out of time inside the brain field.
Initiated Assault Visions 20 times.
Activated 4 different Combo Visions in 1 combo.
Learned all the skills in one of the Brain Map categories.
Learned all the skills on the Brain Map.
Stopped in front of the OSF poster in the hideout.
Collected all Mysterious Text Data.
Raised the EXP bonus to the maximum.
Exchanged 100 types of items at shops. *Does not include add-ons.
Completed 30 quests.
Completed the Enemy Compendium. *Does not include add-ons.
Wore all Baki heads.
Activated all Combo Visions.
Saved inside the brain field for the first time.
Defeated 3 enemies at the same time with Brain Crush.
Revived allies 5 times.
Gathered all party members.
Collected 100 attachments. *Does not include add-ons.