Doom: Lilywhite Lilith (dbp11.wad) UV First Playthrough

Doom: Verdant Citadel

An arguable definition for "slaughter".

Doom: Community Chest 4 Map 30

Doom: Eviternity

Doom II No Death Ultra Violence First Attempt

Doom: Alien Vendetta (Crispy Doom)

Doom: Flashback to hell

Headcrab friendly fire