Deluge Dirge utilises cellos, timpanis and electronic production for a march-like anthem. It is the standard battle music for Salmon Run matches, however Frantic Aspic plays during wildcard rotations and Fishing Frenzy plays during Known Occurrences. It can also be heard in Squid Beatz 2 after hearing it in a Salmon Run match, with a maximum score of 117 and 339 in Normal and Hard modes, respectively.
Deluge refers to a severe flood, referencing both the flooding of the stages in Salmon Run, and also the large waves of Salmonids could be seen as a flood. Dirge is a solemn song or poem, associated with mourning, this could refer to the mass defeat of Salmonids in Salmon Run matches.