Binding of Isaac: Rebirth Wiki
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Cat Got Your Tongue is Challenge #8. You start off with Collectible Guppy's Head iconGuppy's Head, Collectible Guppy's Tail iconGuppy's Tail, and Error: The given collectible ("Guppy's Hair Ball") does not exist., as well as three Soul Hearts and three Black Hearts. This challenge is unlocked by transforming into Guppy. Your goal is to defeat Mom.

Difficulty

You start the challenge Blindfolded. You cannot use tears. Because of this, you must swing Error: The given collectible ("Guppy's Hair Ball") does not exist. near enemies to deal damage.

Strategy

  • Because you start with 3 Guppy items, you also gain the Guppy bonus. This gives you flight, and hitting enemies with Error: The given collectible ("Guppy's Hair Ball") does not exist., familiars, or a Co-op Baby will create blue flies.
  • Guppy's Hair Ball is somewhat difficult to use compared to normal play styles. Practice with it and get an idea of how it swings before getting into fights.
    • Items that increase movement speed can make Error: The given collectible ("Guppy's Hair Ball") does not exist. easier to use. The extra speed will allow for more precise control while also indirectly increasing the range the Hair Ball can safely be swung.
  • Buying a Collectible 9 Volt icon9 Volt from a shop can give you a lot more blue flies from Collectible Guppy's Head iconGuppy's Head. If you can find one, buy it.
  • By all means, try to get Collectible The Battery iconThe Battery, or even the (except in Rebirth)Collectible Car Battery iconCar Battery. Collectible The Battery iconThe Battery will allow for double charges, and the (except in Rebirth)Collectible Car Battery iconCar Battery will double the amount of flies spawned per activation.
  • Also keep an eye out for the Collectible BFFS! iconBFFS! item in shops, it will increase the size and damage of Error: The given collectible ("Guppy's Hair Ball") does not exist..
  • Orbitals like Collectible Cube of Meat iconCube of Meat and Collectible Sacrificial Dagger iconSacrificial Dagger can be great for blocking shots and dealing damage, and can be more effective than Guppy's Hair Ball.
  • Collectible Hive Mind iconHive Mind is another shop item to look out for, as it will greatly increase the damage of your Blue Flies. Since you will be generating a lot of flies with Guppy's Hair Ball and Guppy's Head, this will do wonders for your damage output.
  • Tears fired by familiars will spawn blue flies, as will holding any firing key with Collectible Rotten Baby iconRotten Baby.
  • This challenge becomes much easier with a co-op partner, as tears fired by the second player trigger spawning of Blue Flies via Guppy.
  • Don't hesitate to buy Collectible Red Candle iconRed Candle or Collectible The Candle iconThe Candle in a shop to make your life easier than with Guppy's Head.
  • Familiars such as Collectible Sister Maggy iconSister Maggy and Collectible Little Steven iconLittle Steven spawn Blue Flies when hitting enemies. Collectible Little Steven iconLittle Steven's homing tears can be especially helpful.
  • Collectible Bob's Brain iconBob's Brain can make this challenge significantly easier, giving a free explosion every so often to fire in a straight line. Any other item that adds an extra orbital or close combat attack like the Yes Mother transformation is a good idea to pick up, since they add damage without modifying your tears.
  • (except in Rebirth)Collectible Black Powder iconBlack Powder is helpful for damaging non-flying enemies and bosses.
  • (except in Rebirth)Collectible Incubus iconIncubus will make things much easier if it is unlocked.

Reward

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Trivia

  • "Cat got your tongue" is an idiom for when people have nothing to say.



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