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