Sverre André Kvernmo (Cranium)

Sverre André Kvernmo (alias Cranium or Soundblock) is a Norwegian level designer who started his career by creating Doom levels. In 1998, Doomworld nominated him one of the Top Ten Doom Level Makers and conducted an interview with him. Outside of Doom, he has worked for, , and others, notably on ', ', and .

Inspiration
In the text files that accompany his levels, he lists the following maps as his personal "Hall of Fame": Nuke Mine, Castle of the Renegades, Eternity, Dante's Gate, Aliens TC's secret level, and Cleimos.

1995

 * Master Levels for Doom II
 * (BLACKTWR.WAD)
 * (BLOODSEA.WAD)
 * (MEPHISTO.WAD)
 * (TEETH.WAD)
 * (TEETH.WAD, secret level)
 * Cabal series:
 * Cabal 1: Bloodflood
 * Cabal 2: Derelict Station
 * Cabal 3: The Watchtower
 * Cabal 4: Temple of Death
 * Cabal 5: We who are About to Die
 * Cabal 6: Eye of the Storm
 * Cabal 7: The Image of Evil
 * Deadlock

1996

 * Eternal Doom
 * Textures

2013

 * Plasmaplant
 * caball (Doomshack)

2015

 * Five Rooms of Doom
 * MAP23: Needles And Pins
 * The Divide, a reject of TNT: Revilution (required as resource WAD) (Doomshack)
 * Pitchfork, a reject of TNT: Revilution (required as resource WAD) (Doomshack)

2016

 * Echelon

2020

 * echtex

Multiplayer
Sverre was the champion of the World Deathmatch Tournament '95 UK Heats, which served as part of the Deathmatch '95 event.