spolier alert
there is 6 endings
ok its theory time
here is how my uncle garden and my uncle story connect to "the pizza",the first game in timeline is my uncle story,the uncle in that game has a book on how to spawn demons,thats why steve and that shadow dude (who i will refer to as Gman) killed him,but they need someone to turn into a demon,enter my uncle garden,the "mom" is actually Gman and steve who lured the player to the house to kill him,now they have send the demon to the dude in "the pizza",thats why the demon in "the pizza" has human looks,BUT HEY,thats just a theory,A GAME THEORY