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