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