Here is the full list of all 31 Fatal Twelve achievements.
Select every choice at least once.
Reply to the confession
Get ending 2
Get all endings
Get all CGs
Get ending 3
Get bad ending 4
Get bad ending 3
Get bad ending 2
Get bad ending 1
View a story about a certain encounter
Open Scene Replay Mode
Open Gallery Mode
Get ending 1
Twelfth week's election concludes
Eleventh week's election concludes
Tenth week's election concludes
Ninth week's election concludes
Eighth week's election concludes
Seventh week's election concludes
Sixth week's election concludes
Fifth week's election concludes
Start the game 12 times
Fourth week's election concludes
Third week's election concludes
Second week's election concludes
Switch languages
Open Card Book Mode
First week's election concludes
Open Summary Mode
Start the game