Here is the full list of all 28 Vampire: The Masquerade - there are Coteries of New York achievements.
Complete the game with all three characters.
Accept your fate in Elysium.
Nobody came to your help in the grand finale. Except for...
Complete Adelaide Davis' questline ("Somebody's Watching Me") as her bitter foe.
Try running away from Qadir during your trial.
Fail to recruit somebody into your coterie.
Meet somebody you used to know in life as the Brujah.
Become Embraced into the Brujah clan.
D'Angelo came to your help in the grand finale.
Tamika came to your help in the grand finale.
Complete Hope's questlline.
Complete D'Angelo's questline.
Meet somebody you used to know in life as the Toreador.
Complete Tamika's questline.
Convince D'Angelo to cooperate with you.
Become Embraced into the Toreador clan.
Rage against your fate and complete the game with any character.
Hope came to your help in the grand finale.
Agathon came to your help in the grand finale.
Complete Adelaide Davis' questline ("Somebody's Watching Me") as her latest obsession.
Complete Frank Dougherty's questline ("A Nosy Reporter").
Convince Tamika to cooperate with you.
Convince Hope to cooperate with you.
Complete Benoit Segal's questline ("Faith and Myth").
Meet somebody you used to know in life as the Ventrue.
Complete Agathon's questline.
Convince Agathon to cooperate with you.
Become Embraced into the Ventrue clan.