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Trivia: The Binding of Isaac

  • Ascended Fanon: The "Muliboom" name for the kamikaze Action Bomb variety of the Mulligan was a Fan Nickname for a while before being made official.
  • Ascended Meme: The Rebirth is Cancelled joke that Northernlion and his friends started can be one of the messages that you get from fortune tellers. A bit ironic, since NL discredited the meme because Fan Dumb who couldn't read the sarcasm started giving the devs shit over it.
  • Creator Backlash: Edmund is reportedly furious by how quickly the Lost was discovered.
    • The reason Edmund was furious was because the Lost was discovered via Datamining, when he intended it to be a "community project" to try and find it.
  • Fan Nickname: As the game doesn't give you the names of normal enemies until the credits, players tend to give them these. Anyone who has watched Northernlion enough tends to use "human popcorn", "silkworms", "Conga Line" and "zambies", in place of their real names (Mulligan/Host, Butt Licker, Charger/Spitter, Knight).
    • Meatboy Lvl. 5—That's what some players call the severed body "generated" by The Shears. The reason behind it is because it used to be possible to have it constantly following you by acquiring five Meat Cubes via glitch exploitation.note 
    • An even more common one is "Blue Baby" for the unwieldy ???. For the True Final Boss as well as the character. This was ascended as of one of the updates, with his will being signed as "???? (a.k.a. The Blue Baby)"
    • Pooters are known as "Grandfather Flies" because their white abdomens look like beards.
    • The Vis and its brethren are known as "vaginas" for obvious reasons.
    • Judgement for the Beggars (with the "Demon" and "Key" prefixes added when necessary), because they spawns from the Judgement card.
    • <weapon_name>tammy for Tammy's Head combined with a tear modifier in Rebirth, the most known being Brimtammy
  • Hey, It's That Guy!: C418, known for the Minecraft soundtrack, did a song for the soundtrack, "Atempause", a remix of the song that plays in secret rooms.
  • Let's Play:
    • A few on Youtube. Let's Plays were actually one of the major reasons why Isaac became so successful - sales began to steadily increase after it became a popular game to play on YouTube.
    • One notable example is Northernlion. Here's the first episode. Watch as he goes from complete newbie to expert over the course of 900+ videos! This ultimately culminates in an episode with co-commentary by Edmund McMillen.
  • One of Us: Possibly, since one of the Challenge names in Rebirth is Glass Cannon, which starts the player off with the Book of Belial, Loki's Horns and Epic Fetus.
  • Promoted Fanboy: Spider, the mind behind the SpiderMod program (a modified version of Isaac that runs in a separate .exe, is more optimized, and adds a number of features including various cheats and controller support) was hired to do coding work for the remake.
  • Sleeper Hit: Word of God has stated he never expected Isaac to be so popular. At one point he considered giving it away because he didn't believe anyone would actually want to spend money on something so weird and dark.
  • The Wiki Rule: Naturally.
  • Word of God: Some information can be gleaned from McMillen's Tumblr blog and (now defunct) Formspring, though also be prepared for a fair bit of Teasing Creator.