In Treyarch Zombies, a Deathsong (also known as a Game Over Song/Theme) is the musical theme that plays either when a player dies in solo mode, or when all teammates go down in co-op during a normal playthrough of a round-based zombies map. These are all the themes for said maps:
Call of Duty: World at War[]
Nacht der Untoten[]
Deathsong 
Verrückt[]
Deathsong Shi No Numa[]
Deathsong Der Riese[]
Deathsong
Call of Duty: Black Ops[]
Kino der Toten and "Five"[]
Deathsong Ascension and Call of the Dead[]
Deathsong Shangri-La[]
Deathsong Moon[]
Deathsong Call of Duty: Black Ops II[]
Nuketown Zombies[]
Deathsong TranZit[]
Deathsong Die Rise[]
Deathsong Mob of the Dead[]
Deathsong Buried[]
Deathsong Origins[]
Deathsong Call of Duty: Black Ops III[]
Shadows of Evil[]
Deathsong The Giant[]
Deathsong Der Eisendrache[]
Deathsong Zetsubou No Shima[]
Deathsong Gorod Krovi[]
Deathsong Revelations[]
Deathsong Call of Duty: Black Ops 4[]
Blood of the Dead[]
Deathsong Voyage of Despair[]
Deathsong Classified[]
Deathsong IX[]
Deathsong Dead of the Night[]
Deathsong Alpha Omega[]
Deathsong Ancient Evil[]
Deathsong Tag der Toten[]
Deathsong Call of Duty: Black Ops Cold War[]
Die Maschine[]
Deathsong Firebase Z[]
Deathsong Mauer der Toten[]
Deathsong Outbreak[]
Deathsong Forsaken[]
Deathsong Call of Duty: Vanguard[]
Der Anfang/Terra Maledicta/The Archon[]
Deathsong Call of Duty: Black Ops 6[]
Liberty Falls[]
Deathsong Terminus[]
Deathsong Citadelle des Morts[]
Deathsong The Tomb[]
Deathsong Shattered Veil[]
Deathsong Trivia[]
- Up until Shangri-La, every deathsong would feature a snippet of the Musical Easter Egg of the Zombies map that succeeded it.
- Die Rise is the only map whose deathsong is a snippet of its own Musical Easter Egg.