Binding of Isaac: Rebirth Wiki
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Binding of Isaac: Rebirth Wiki
Cat   Got   Your   Tongue
Table dividing line 1.png
Challenge Number
8
Available Rooms
Item Pool Treasure Room.png: no          Item Pool Shop.png: yes
Goal
Boss Mom portrait.png
Unlock Method

Cat Got Your Tongue Become Guppy

Cat Got Your Tongue is challenge #8. Isaac starts this challenge with 15►Guppy's Head Guppy's Head, 15►Guppy's Tail Guppy's Tail, and 15►Guppy's Hair Ball Guppy's Hair Ball, as well as three Soul Hearts and three Black Hearts, as well as his usual three Red Heart containers. Isaac is also blindfolded. This challenge is unlocked by transforming into Guppy. The goal is to defeat Mom.

Difficulty[]

  • As a result of the blindfolded status, tears cannot be used, and Isaac must rely heavily on the erratic movement of Guppy's Hair Ball to do damage.

Strategy[]

  • Because Isaac starts with 3 Guppy items, he begins the challenge as Guppy, which grants flight (a good way of avoiding damage) and generates blue flies when dealing damage with familiars or a co-op baby.
  • Guppy's Hair Ball also creates blue flies when dealing damage which is a feature unique to challenges where Isaac is blindfolded, making it considerably stronger than normal.
  • Guppy's Hair Ball is very difficult to control. It would be wise to spend the first few attempts at the challenge by practicing with it before a real attempt at completing the challenge is made.
    • Items that increase movement speed can make Guppy's Hair Ball somewhat easier to use. The extra speed will allow for more precise control while also increasing the range indirectly at which the Hair Ball can safely be swung.
  • Buying 15►9 Volt 9 Volt from a Shop or finding the Added in Afterbirth †Fish Tail Fish Tail can allow more Blue Flies to be spawned by Guppy's Head.
  • 15►BFFS! BFFS! is a noteworthy item due to its effects on Guppy's Hair Ball.
  • Orbitals, such as 15►Cube of Meat Cube of Meat and 15►Sacrificial Dagger Sacrificial Dagger, can be more effective than Guppy's Hair Ball at blocking and dealing damage.
  • 15►Hive Mind Hive Mind greatly increases the damage of Blue Flies.
  • 15►Red Candle Red Candle or 15►The Candle The Candle can be useful alternatives to Guppy's Head, depending on the situation.
  • 15►Bob's Brain Bob's Brain, while dangerous, can serve as a reliable alternative to bombs.
  • Added in Afterbirth15►Spear of Destiny Spear of Destiny can trivialize the challenge by providing an easy-to-use alternative for dealing damage.

Reward[]

Trivia[]

  • "Cat got your tongue" is an idiom for when people are speechless.
  • Aside from the obvious change in language, the Korean unlock for the challenge is notably different. Instead of a cat eyeing a hairball, it seems to depict a cat eating the hairball back.
    KoreanCatGotYourTongue.png


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