DOOM + DOOM II

Kill It With Fire

Immolate a total of 30 arachnoid enemies with the Incinerator.

Untouchable

Complete 8 different levels sequentially under par time without dying on Ultra-Violence or higher.

Screen Wipe

Obliterate 50 enemies with a single shot of the Calamity Blade.

Indiscriminate Headhunter

Kill one of every enemy.

Plutonia

Reach the end of 'The Plutonia Experiment'.

Evilution

Reach the end of 'TNT: Evilution'.

Legacy of Rust

Reach the end of 'Legacy of Rust'.

Sigil

Reach the end of 'Sigil'.

No Rest for the Living

Reach the end of 'No Rest for the Living'.

Master Levels

Reach the end of 'Master Levels for DOOM II'.

Shoot It Until It Dies

Finish off a Cyberdemon with the Pistol.

DOOM II

Reach the end of 'DOOM II'.

DOOM

Reach the end of 'DOOM'.

Until It Is Done

Get 100 Chainsaw kills.

Guns Are For Wusses

Get 25 kills with your Fists in a single level.

A Man and a Half

Get 20 kills using the berserk powerup in a single level.

More Like a Dream

Complete a level on Nightmare difficulty.

Heavenly Joy

Shoot 200 bullets consecutively with the Chaingun.

Skeet Shooting

Kill 4 enemies in 1 shot with the Super Shotgun.

Cookin' With Plasma

Kill 5 enemies in 5 seconds with the Plasma Rifle.

The Only Thing They Fear Is You

Complete any monster-filled level with 100% kills without taking any damage on Ultra-Violence or higher.

Bowling for Gibs

Gib three or more enemies with a single rocket explosion.

Alternate Dimension

Find a secret level.

Overprepared

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

Overkill

Kill only a single enemy with a BFG9000 blast.

Burning Out of Control

Complete any monster-filled level with 100% kills, items, and secrets.

Hoarder

Finish a level with 100% items picked up.

Clean Slate

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

Timing Is Everything

Kill 2 enemies with a single barrel explosion.

Groovy

Get 3 multi-kills with the Shotgun.

Doormat

Crush a corpse in a door.

An Important Looking Door

Find a secret area.

Not So Friendly Fire

Cause an enemy to kill another enemy.