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Boss Gurdy.png
Base HP
Stage HP
Found In
Stage caves.pngStage flooded caves.pngSuper Secret Room Icon.png
Double Trouble
Stage womb.pngStage utero.png
Stage chest.pngStage dark room.png
Dropped Items
Boss Boss  

Gurdy is a boss found in The Caves and Flooded Caves. She is a completely stationary large mound of organs and flesh with a single face partially missing as well as two arms which often signal her various attacks.

Behavior[edit | edit source]

Gurdy is completely stationary and will always appear in the upper middle of the room. She will sometimes be accompanied by two Boils in the bottom corners of the room. She has three attacks:

  • Gurdy can duck down into her body and emerge from the side facing Isaac, firing 5 blood shots in a spread out manner.
  • Gurdy can spawn either 1 or 2 Pooters near herself, or 2 to 4 Attack Flies behind her.
    • Spawned attack flies are weaker than normal, with only about 3 health.
  • Gurdy can summon Boils or Guts, either in front of her or at the bottom corners of the room in pairs.

Champion Variants[edit | edit source]

  • Black: Black Gurdy will never attack with a blood shot, but instead summons monsters at a faster rate.

Tips[edit | edit source]

  • The first thing to keep in mind is to clear at least one corner of the room before attacking Gurdy herself.
  • After clearing the area, maintain a constant back and forth motion to the side and in front of Gurdy, using 1/4 of the screen. By doing this, you can easily dodge the spread shot Gurdy fires, as she will not adjust her angle once she retreats into herself before firing.
  • You can avoid Gurdy's shots altogether by simply standing behind her. However, you will not be able to easily see the flies she spawns, so you may be hit by them.

Trivia[edit | edit source]

  • Gurdy appeared in the original The Binding of Isaac.
  • Gurdy was originally supposed to be a pile of dead children, but it looked too confusing, so Edmund McMillen made her body made of guts instead.
  • Gurdy's name is supposedly derived from a medical condition called G.E.R.D. (gastroesophageal reflux disease), more commonly known as acid reflux.
  • Gurdy has been theorised to be the pupa of the Gurdy boss series, with the egg and larva stages being the Gurglings and Gurdy Jr., respectively, and the mature creature being Mama Gurdy.
  • Upon entering a room with Gurdy in it, the player will usually be teleported to the bottom center of the room regardless of which side the player entered from.
  • Gurdy shares her name with a level from Edmund's previous game Super Meat Boy.
  • Gurdy is female.

Gallery[edit | edit source]

Bugs[edit | edit source]

Bug Bug! Using A Card Against Humanity will cause Gurdy to appear to teleport onto the player. This is purely a cosmetic effect and clearing the poop from the center of the room will cause her to return to normal.

Bosses Boss Monstro.png
Chapter 1 Blighted OvumDingleThe Duke of FliesFamineFistulaGeminiGurdy Jr.GurglingsThe HauntLarry Jr.MonstroPinStevenWidow
Added in Afterbirth DangleLittle HornRag ManTurdlings
Chapter 2 C.H.A.D.ChubDark OneGurdyGurdy Jr.The HollowThe HuskMega FattyMega MawPeepPestilencePolycephalusCarrion QueenThe Wretched
Added in Afterbirth The ForsakenThe FrailThe Stain
Added in Afterbirth † Big HornRag Mega
Chapter 3 The AdversaryThe BloatThe CageCarrion QueenThe GateGishLokiMask of InfamyMonstro IIWarThe WretchedMom
Added in Afterbirth Brownie
Added in Afterbirth † Sisters Vis
Chapter 4 BlastocystThe BloatConquestDaddy Long LegsDeathIt LivesLokiiMama GurdyMom's HeartMr. FredScolexTeratomaTriachnid
Added in Afterbirth Blue Womb Added in Afterbirth Hush
Chapter 5 The FallenIsaacSatan
Chapter 6 ???The LambMega Satan
Added in Afterbirth Greed Mode Added in Afterbirth Ultra Greed
Added in Afterbirth † Ultra Greedier
Added in Afterbirth † The Void Added in Afterbirth † Delirium
Chapters 1-4 The FallenThe Headless Horseman

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