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