While Invisible, defeat a human boss with a melee attack.

Defeat 10 Vampire Kids.

Defeat Cartman without damaging any stationary decoy.

Kill 3 enemies with cannonballs.

Revive an ally with a Cheesed Necro.

Relieve the buildup of natural pressures in the gastrointestinal tract through quick, albeit semi-musical, bursts of gaseous release.

Defeat Kyle in his sacred grove.

Become an honorary Marshwalker.

Defeat Princess Kenny at the Town Square Amphitheater.

Defeat Mr. Hankey.

Find and accept all of Nichole's Infernal Pacts across an entire run, and live to tell the tale.

Kill an Ent with Bleeding damage.

Acquire a Legendary Upgrade.

Use Cheesy Zombies on a Necro.

Defeat 10 enemies with weapon strikes from the air.

Kill an enemy with an aerial attack after floating with Moon Jump for at least a second.