Kill 3 Circus Clots in a wave with the Lever Action Rifle.

Kill 4 Specimens with a Single Shot from a Hunting Shotgun.

Kill 4 Stalkers in a game with the Vlad9000 Nailgun

Kill 5 Halloween Specimens with any gun without reloading

Kill 5 Hillbilly Zeds in 10 seconds with the Scythe or Axe

Kill 5 Circus Bloats in one game.

Kill 5 Circus Crawlers with a Bullpup in one wave.

Kill 5 zeds in ZED time without reloading with Dr. T's LDS or Bullpup

Kill 6 Zeds with one magazine on an MKb42, without reloading

[2010 Xmas] Kill a Christmas Crawler with a Crossbow.

[2010 Xmas] Kill a Christmas Husk with any Pistol.

[2010 Xmas] Kill the Christmas Patriarch.

[2010 Xmas] Kill the Christmas Scrake with a Fire-based weapon.

[2010 Xmas] Kill a Christmas Siren with an undetonated LAW rocket.

Cause a Specimen to Die by Luring them into Bloat Acid.

Finish off a Fleshpound using a Melee Attack.

Kill The Vampire Patriarch Ringmaster in Bedlam

As Firebug, kill the Husk with the Flamethrower before he hurts anyone.

Kill one of each type of zed in one round (HSG Shotgun)

Kill the Patriarch Before he has a Chance to Heal.

Kill the Patriarch when everyone is ONLY using Crossbows.

Deliver the Killing Blow to the Patriarch with a L.A.W. Rocket.

Kill 15 XMas Clots, 5 xmas Stalkers, 5 XMas Crawlers, 1 XMas Siren and 1 XMas Bloat.

Land the killing blow on a Circus Fleshpound with a Pistol.