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