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A Close Shave Kill a shambler with an axe.

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

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

Vengeance Denied Complete Dimension of the Machine in single player.

Machinehead Complete Dimension of the Machine on Nightmare in single player.

Dragonslayer Complete Dissolution of Eternity Episode 2: The Corridors of Time in single player.

Rogue Ranger Complete Dissolution of Eternity on Nightmare in single player.

Overlord Overdone Complete Dissolution of Eternity Episode 1: Hell's Fortress in single player.

Sandy's Room Find the secret exit in Dimension of the Machine.

The Year Zero Complete Dimension of the Past in single player.

Otherworldly Complete Dimension of the Past on Nightmare in single player.

The House of Doom Find the secret exit in Dimension of the Past.

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

Scourge Done Slick Complete Scourge of Armagon on Nightmare in single player.

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

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.

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

Indigestion Defeat Shub-Niggurath in single player.

Shub's Bud Complete Quake on Nightmare in single player.

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

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.

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.

Secret Sleuth Find a secret area.

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

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

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

The Painless Maze Complete E4M6: The Pain Maze on Nightmare without taking damage.

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

Riding the Waves of Time Accumulated over 100 billion total Cube Years.

Stealth Master Get through the Cargo Bay without being noticed.

Master of Drones Complete the Main Decks using only two drones.

Medium Security Jail Break Complete the Escape from Butcher Bay campaign on normal difficulty.

Master of Athena Complete the Assault on Dark Athena campaign on normal difficulty.

Champion of Athena Complete the Assault on Dark Athena campaign on hard difficulty.

Control an Alpha Drone Find and control an Alpha Drone.

Bounty Hunter Collect all bounty cards.

Kill Spinner Find and kill Spinner.

Sniper Rifle Find and equip yourself with a sniper rifle.

Gabril Find and help Gabril.

Kill an Alpha Drone Find and kill an Alpha Drone.

SCAR gun Find and equip yourself with a SCAR gun.

Escape the Athena Find a way out of the Athena.

Miles Letter Help Miles and transmit his message.