Here is the full list of all 14 Jenni's DONG has got it GOIN' ON: The Jenni Trilogy achievements.
Be Jenni's New BFF
Beat all games.
Anwser Jenni your truly girly self
End of Jenni Truth or Dare
Start Jenni 3
Get Jenni with 5+ Event
Make Jenni Get Kicked Out
End of Jenni's New Friend
Get The Bottle Event
Start Jenni 2
Have Jenni Arrested
Finished Jenni Wrong Number
Anger Jenni.
Start Jenni 1