Here is the full list of all 20 Leaving DNA achievements.
You flirted with the blonde
You insisted on driving
You flirted with the bartender
You gave an exposition on family
You got Jamie riled up
You spotted both clues
You made a new gym friend
You chose the way of the law
You were honest with Aghavni
You took Jamie out to dinner
You reconnected with Aghavni
You stayed out late with Anna and Malena
You connected with Malena
You made Emmeline smile
You hooked up Armin
You spent an evening with Aghavni
You gave in to temptation
You resisted temptation
You checked in on Erin
You asked out Malena