Acquire an Ultra-Legendary Upgrade.

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.

Defeat Cartman without damaging any stationary decoy.

Finish a map with one extra Rulebook applied.

Dance while reviving an ally.

Kill 50 Pooplets in one battle.

Revive an ally with a Cheesed Necro.

Set 4 or more enemies on fire with no more than 2 seconds in between each.

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

Become an honorary Marshwalker.

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