Here is the full list of all 35 Slaughter Horse 2 achievements.
Murder a best friend.
Complete your cloak of many marks.
Die a pacifist's death.
Bake all six cakes in a single game.
Select all three holy prayers during a visit to church.
Read the Spy's secret file about yourself.
Dispose of all three investigators.
Look, you're just messing about.
Your game generated "Pony Horse", the pony with the dumbest name in all the land.
Jolly a pony to death.
See your blackmailer killed.
Be the target of a Mule's curse.
See the town hang the Mule.
Escape being hanged three times in a single game.
Draw all 12 Tarot cards in a single game.
Torture a pony to death while the Royal Guard is stationed outside your house.
Witness your Disciple turn against you.
Personally murder 10 ponies in total.
Personally murder 100 ponies in total.
Personally murder 250 ponies in total.
Personally murder 500 ponies in total.
Personally murder 1,000 ponies in total.
Win the game with a population of 20 to 28 ponies.
Win the game with a population of 30 to 38 ponies.
Win the game with a population of 40 ponies.
Write a full marks Death Letter.
Cause a pony to flee and die of hypothermia in the mountains.
Cause the Veteran to shoot a friendly pony.
Win a game with the Spy Hunter challenge active.
Win a game with the We Regret, No Pet challenge active.
Win a game with the Weedkiller challenge active.
Win a game with the Shunned Challenge active.