Clicking the Pug Damsel in the options menu about a hundred times will turn it into a Sloth Damsel for the duration of the game session.
Contributed by SuperFlorian12
The blue character with the pith hat was inspired by Derek Yu's real-life friend and fellow game designer, Colin Northway.
Contributed by BananaFoam
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A shotgun can be found under a grave with the name "Ash" inscribed on it. This is a reference to Ashley "Ash" Williams, the lead character of the Evil Dead series, in which Ash is well known for his use of a shotgun dubbed his "boomstick".
Contributed by Mass Distraction