Here is the full list of all 24 Fingered achievements.
Beat Day 14.
Beat the game.
Execute a diabetic for looking funny.
Execute a fishman for lurking by a murky lagoon.
Execute someone who smells like copper for trespassing.
Execute someone who has already been buried for pseudocide.
Execute a man for ruining toothbrush mustaches.
Execute a cursed man for bestiality.
Execute a slimy suspect for peeing in pools.
Execute a woman who is too clingy for violating trademark.
Execute a hemaphiliac for feticide.
Execute a cry baby for matricide.
Execute a suspect for coprophilia, self-mutilation and assault.
Beat the game without using a continue.
Complete 100% of achievements.
Electricute Matthias Bossi 'til he's dust in the wind.
Live and let Jon Evans die.
Execute a flamboyant man for littering and sound pollution.
Execute the head of the family for playing bad music.
Beat Day 7.
To win the game, you must kill me... Edmund McMillen.
James Id: Too weird to live, too rare to die.... but it was worth a shot.
Execute a sticky suspect for property damage.
Execute a suspect for ass****ism.