Nemesis7891

More Like a Dream Complete a level on Nightmare difficulty.

Until It Is Done Get 100 Chainsaw kills.

Doormat Crush a corpse in a door.

Bowling for Gibs Gib three or more enemies with a single rocket explosion.

Overprepared Finish a level with 200% armor and 200% health.

Alternate Dimension Find a secret level.

Heavenly Joy Shoot 200 bullets consecutively with the Chaingun.

Groovy Get 3 multi-kills with the Shotgun.

Timing Is Everything Kill 2 enemies with a single barrel explosion.

Burning Out of Control Complete any monster-filled level with 100% kills, items, and secrets.

Hoarder Finish a level with 100% items picked up.

Guns Are For Wusses Get 25 kills with your Fists in a single level.

Not So Friendly Fire Cause an enemy to kill another enemy.

Clean Slate Kill all monsters in any monster-filled level on 'Hurt me plenty' or higher.

An Important Looking Door Find a secret area.

Escape Artist Finish 'No Escape' on Watch Me Die skill level

Walk the Path Finish the Lost Levels mission

That was Fun Finish a 'Fun' Level

Mother May I? Defeat the Mother of All Demons on The Absolution

Persistence is the Key Acquire all 3 Demon Key Artifacts in the main campaign

Rip and Tear! Kill a Cyberdemon

RVNH3CT1CD3M0??? Locate the secret level 'Hectic'

Arma-gone Complete Scourge of Armagon Episode 3: The Rift in single player.

A Long Yard Find the secret exit in Scourge of Armagon Episode 3: The Rift.

You're not supposed to be here! Find the secret message in Tur Torment.

Dominated Dominion Complete Scourge of Armagon Episode 2: Dominion of Darkness in single player.

The Gremlin's Domain Find the secret exit in Scourge of Armagon Episode 2: Dominion of Darkness.

Gateway Traveller Complete Scourge of Armagon Episode 1: Fortress of the Dead in single player.

Military Complex Find the secret exit in Scourge of Armagon Episode 1: Fortress of the Dead.

Discharge In deathmatch, electrocute an enemy in water without dying.

Slipgate Pacifist Complete E1M1: The Slipgate Complex on Nightmare without firing a shot.

Indigestion Defeat Shub-Niggurath in single player.

The Last Unexplored Path Complete Quake Episode 4: The Elder World in single player.

Into Sandy's City Find the secret exit in Quake Episode 4: The Elder World.

Beneath The Blue Chambers Complete Quake Episode 3: The Netherworld in single player.

The Hot And Winding Road Find the secret exit in Quake Episode 3: The Netherworld.

Bottom Of The Well Complete Quake Episode 2: The Realm of Black Magic in single player.

Nevermore Find the secret exit in Quake Episode 2: The Realm of Black Magic.

The Well of Wishes Find the Well of Wishes in the Crypt of Decay.

A Close Shave Kill a shambler with an axe.

Sink the Horror Electric Complete Quake Episode 1: Dimension of the Doomed in single player.

The Shambler Dance Kill a shambler before it is able to cast its lightning attack.

Vertical Vengeance Find the secret exit in Quake Episode 1: Dimension of the Doomed.

Friendly Fire Kill a monster with another monster's attack.

Secret Sleuth Find a secret area.