Alternate Character Interpretation: "Turn the Lights Off", with its (possibly) Accidental Innuendo, connotations of transformation and Body Horror and focus on a boy's panicked reactions to strange things that keep happening to him, is often taken as a metaphor for puberty.
Epic Riff: The organ riff in the chorus of "Turn The Light Off", it's gonna be stuck in your head for sure.
Fan-Preferred Cut Content: Marvin's Marvelous Mechanical Museum was remixed in 2008, with this version being more common than the original 2005 edition. The differences are negligible for the most part, besides the 2005 version sounding rougher and less polished. However, "The Bidding" changes dramatically between the two versions. The 2005 version is much faster and more aggressive, while the 2008 version is slower and less energetic. While both versions are well-liked, those who find out about the 2005 version often consider it better than the remix.
Starting in the early 2020s, "Ruler of Everything" became more and more well known, as it became a staple of several meme edits.
From Good & Evil, there's "Turn the Lights Off", known for being incredibly catchy in addition to having a dark story. It's become a popular choice for Fan Vids.
"Turn the Lights Off" was used for an infamously unfinished Animated Music Video based on Five Nights at Freddy's, which its creator abandoned after being perpetually abused by extremely pushy fans of the game. Other videos featuring the song on YouTube will have a handful of unkind comments about it.
"Ruler of Everything" was used in a tribute video for Tribe Twelve, one of the "big 3" webseries commonly associated with The Slender Man Mythos. Amusingly enough, the creator of said series would end up using both Ruler of Everything and Never Meant to Know in Facade, which was uploaded a few days after said tribute video went up.