Here is the full list of all 32 SOUTH PARK: SNOW DAY! achievements.
Defeat 10 Vampire Kids.
Start a run with someone who has Socially Transmitted Distraction. They say it started in a lab out in California somewhere.
While Invisible, defeat a human boss with a melee attack.
Kill an Ent with Bleeding damage.
Revive an ally with a Cheesed Necro.
Use Cheesy Zombies on a Necro.
Kill 3 enemies with cannonballs.
Defeat Mr. Hankey.
Kill 50 Pooplets in one battle.
Increase the rarity of 10 upgrades to Rare or better.
Toot on an enemy faction leader while dead.
Fart on 3 Assassins using Fart Escape.
Finish a map with one extra Rulebook applied.
Find and activate every Rulebook across an entire run, and live to tell the tale.
Damage an enemy in your Event Horizon using your own projectile.
Kill an enemy with an aerial attack after floating with Moon Jump for at least a second.
Defeat Cartman in the foothills.
Defeat Cartman without damaging any stationary decoy.
Defeat Liane at the church.
Heal 150 points of damage with a single Healing Totem across any number of allies.
Make at least 4 enemies Vomit with no more than 1 second in between each.
Set 4 or more enemies on fire with no more than 2 seconds in between each.
Defeat Stan within 25 minutes of starting your run.
Defeat Stan at the playground.
Become an honorary Marshwalker.
Defeat Princess Kenny at the Town Square Ampitheater.
Defeat 10 enemies with weapon strikes from the air.
Defeat Kyle in his sacred grove.
Dance while reviving an ally.
Relieve the buildup of natural pressures in the gastrointestinal tract through quick, albeit semi-musical, bursts of gaseous release.
Acquire an Ultra-Legendary Upgrade.
Acquire a Legendary Upgrade.