I'm about to play an indie game

it appears to be a self portrait.

a painting of a grey octopus holding a silver cross

Paintinng of a spider holding a cross

Arach-fu wants you to commit your life to the Lord before consummating the marriage.

Spider asking if you've accepted dew as your personal savior yet

A spider solicits innocent bystanders in an attempt to proselytize them about the word of the spider god, Dew.

A spider rebelling against the human overlords

Human bows to he's Master Spider