Full list of all 17 Fahrenheit: Indigo Prophecy Remastered achievements. It takes around 8-10 hours to unlock all of the achievements on Windows.
Purple Clan Ending
Give Jade to the Purple Clan.
Orange Clan Ending
Convince Tiffany to stay.
Save all the kids in the Hangar.
Get caught taking too long in the bathroom.
Kill Lucas mixing pills and alcohol
Have Carla or Tyler lose all of their mental health.
Fail the breathing sequence with Carla.
Good Ending
Refuse to give Jade to the Purple Clan.
Save Markus
Pass the interrogation as Lucas.
Impress Sergeant Mitchell at the shooting range.
Win the basketball game.
Win the sparring match as Carla.
Save the kid in the park.