Notes:

The Bloodbath
The Quickster stabs Real SpongeBob with a tree branch.
Day 1
SpongeGar and Robot SpongeBob fight Normal SpongeBob and InvinciBubble. Normal SpongeBob and InvinciBubble survive.
Night 1
Face Freeze SpongeBob throws a knife into Karate SpongeBob's head.
InvinciBubble stabs SpongeTron with a tree branch.
Night 2
InvinciBubble sets an explosive off, killing Helmet SpongeBob.
Night 3
Old SpongeBob, The Quickster, and Classic SpongeBob unsuccessfully ambush Normal SpongeBob, SpongeBob, and Asian SpongeBob, who kill them instead.
Day 4
Hall Moniter SpongeBob is unable to convince Face Freeze SpongeBob to not kill him.
Night 4
Skyscraper Spongebob begs for Squidward SpongeBob to kill him. He reluctantly obliges, killing Skyscraper Spongebob.
Day 5
SpongeBuck, InvinciBubble, and SpongeBob start fighting, but InvinciBubble runs away as SpongeBuck kills SpongeBob.
Normal SpongeBob kills Baby SpongeBob with a hatchet.
Day 6
Dirty Dan pushes Primitive Sponge off a cliff during a knife fight.
Day 7
InvinciBubble sets an explosive off, killing Squidward SpongeBob.
Dirty Dan severely injures Face Freeze SpongeBob and leaves him to die.
Dried Up SpongeBob spears Normal SpongeBob in the abdomen.
The Feast
Apocalypse SpongeBob accidently steps on a landmine.
SpongeBuck, Dirty Dan, and InvinciBubble get into a fight. Dirty Dan triumphantly kills them both.
Dried Up SpongeBob falls into a frozen lake and drowns..
Night 8
Dirty Dan shoots an arrow into DoodleBob's head.
Asian SpongeBob accidently detonates a land mine while trying to arm it.
The winner is Dirty Dan from District 3!