Here is the full list of all 50 ROBOTICS;NOTES ELITE achievements. It takes around 40-50 hours to unlock all of the achievements on Windows.
Complete ROBOTICS;NOTES
Start ROBOTICS:NOTES
Start PHASE 01
Start PHASE 02
NEW_ACHIEVEMENT_DESC_1_4
Start PHASE 04
Start PHASE 05
Start PHASE 06
Start PHASE 07
Start PHASE 08
Start PHASE 09
Start PHASE 10
Start PHASE 11
Start PHASE 12
Reach Junna's Ending
Reach Frau's Ending
Reach Airi's Ending
Reach Nae's Ending
Reach Akiho's Ending
Discover three Kimijima Reports
Discover every Kimijima Report
Open geotag for the first time
Collect 30 geotags
Collect 50 geotags
Collect 70 geotags
Reply on Twipo for the first time
Replied on Twipo 25 times
Replied on Twipo 50 times
Replied on Twipo 100 times
Check your location on deluoode map
Get lost in 10+ places while looking for Kimijima Reports
Win all Kill-Ballad matches
Lose a match in Kill-Ballad
Input a command on Kill-Ballad without making a mistake in a ranked match
Input commands perfectly at the first preliminary round of ROBO-ONE
Input commands perfectly in the final round of ROBO-ONE
Win the last match without any mistakes
25% CG Completion
50% CG Completion
75% CG Completion
100% CG Completion
Open TIPS for the first time
View all TIPS
Become friends with DaSH
Become friends with Neidhardt der Blitzschnelle
Become friends with KuriGohan and Kamehameha
Unlock to the path to PHASE 06
Unlock to the path to PHASE 07
Unlock to the path to PHASE 08
Unlock to the path to PHASE 09