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
Refuse to give Jade to the Purple Clan.
Orange Clan Ending
Convince Tiffany to stay.
Kill Lucas mixing pills and alcohol
Good Ending
Give Jade to the Purple Clan.
Save Markus
Pass the interrogation as Lucas.
Win the basketball game.
Impress Sergeant Mitchell at the shooting range.
Have Carla or Tyler lose all of their mental health.
Fail the breathing sequence with Carla.
Save all the kids in the Hangar.
Win the sparring match as Carla.
Save the kid in the park.
Get caught taking too long in the bathroom.