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