Here is the full list of all 18 Choice of the Vampire: The Fall of Memphis achievements.
Feed on Albert Pike.
You fed on Nathan Bedford Forrest, Grand Wizard of the Ku Klux Klan.
You drank the heartsblood of another vampire.
You discovered the secret chamber under Memphis.
Go on a date with Jesse Whitaker.
Refuse to feed from mortals.
Earn the favor of a governor.
Return Hugh Gallagher to New York.
You joined the Ku Klux Klan.
You wrote a poem memorializing Clotho in Memphis.
Slay another vampire.
You uncovered Elinor Harding's plot!
Found a school for the blind in Memphis.
Have Carothers teach you the finer points of Strength.
Profit from speculating on the municipal bonds of Memphis.
Cause Apollo Carothers to drink the heartsblood of his offspring.
Meet all ten senators.
Fall in love with Clotho.