The Binding of Isaac is a randomly generated action RPG shooter with heavy Rogue-like elements.

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Are the no-damage achievements necessary to get “Golden God” and “Platinum God”?

In the base game there are five achievements that require you to complete a "layer" of the basement without taking damage. Are these necessary to get the "Golden God" and the "Platinum God" ...
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1answer
8k views

How does the Scapular work?

The description of the Scapular on the wiki says: Whenever you are downed to 1/2 of your last Heart, Aura around your head temporarily vanishes and you are granted 1 Soul Heart. Does this ...
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1answer
2k views

How do the new “skull” challenge rooms work?

There's a new kind of challenge rooms, these one: I've managed to get in three times, always under the Holy Grail effect (pre 1.33 patch it was possible to cross these closed doors while flying), ...
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2answers
2k views

I found an item and it went to a weird spot on my screen. Now what?

I found an item called Match Stick. After I picked it up, it went to a weird spot on my screen: What makes this item so special that it gets to go to that part of my screen? How do I use it? Are ...
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1answer
3k views

What does Bloody Lust do?

I picked up an item called Bloody Lust, and the effect in the lower right-hand corner was "Rage!". Plus, I get this totally rad headband. I've tried getting hit and I've tried killing enemies, and ...
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2answers
449 views

Does Little Steven only appear after fighting Steve?

The first time I defeated Steve, I got a message that said "Little Steven (the item) has appeared in the basement". Since then, I've only ever found Little Steven after defeating the boss Steve. Is he ...
3
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1answer
974 views

Do challenge runs count towards Isaac's completion achievements?

Challenges 9 and 10, Isaac was good today and The purist, require you to kill respectively Satan and Isaac. Do these kills count towards Isaac's achievements, Mom's Knife and The D20?
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1answer
1k views

What is the deal with this weird poop and white fly?

This poop appears to have something embedded in it that I really hope is not corn, and some sort of white fly flying around it. What's up with this poop?
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1answer
907 views

What counts as a kill when using Charm of the Vampire?

I noticed that both smashing Globins into piles of meat and actually killing them both count as a kill when using Charm of the Vampire. This can be used to continually farm health. I also noticed ...
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1answer
67 views

Does collecting Dr. Fetus increase odds of finding other bomb-related pick-ups?

In two recent playthroughs, I've picked up Dr. Fetus early on, followed shortly by other bomb-type pickups - Bobby Bomb, Mr. Mega. I seldom see these pickups, so I'm wondering if gaining Dr. Fetus ...
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1answer
2k views

Can I unlock samson by ignoring two treasure rooms on the same floor?

Unlocking the new Samson character requires one to "pass on 2 treasure rooms". I've recently started the game only to encounter an extra large version of the basement (the level I was on said ...
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1answer
281 views

What do the orange keys do?

I just found an orange key that went on top of my key count. What does this item/pickup do?
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87 views

Is it possible to improve stats beyond what is shown? [duplicate]

Possible Duplicate: Do items in Binding of Isaac affect stats that are at max? Stats include something like 6 or 7 bars. I'd like to know if they can be improved past where it shows as ...
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2answers
1k views

Is there any way for me to turn off just the music in The Binding of Isaac?

I've got nothing against the awesome soundtrack of The Binding of Isaac, but I love to blast other songs while I play video games, so I'm trying to turn the music off. There doesn't seem to be any ...
2
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1answer
513 views

How do I buy items in The Binding of Isaac?

Does anyone know how to buy items from the shop (or which key to use for buying)? I keep going to the shop in the first couple of floors and it doesnt show me what to do to buy items. Thanks for your ...
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1answer
6k views

Why is this challenge room locked? [duplicate]

Possible Duplicate: How do you open the barred doors in the Binding of Isaac? I ran into this gated challenge room during a recent Binding of Isaac playthrough (with Maggie, as you can ...
2
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1answer
460 views

How do I “make a deal with the devil”?

How exactly do I make a deal with the devil? I'm trying to unlock Eve (the one with the dead bird).
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1answer
2k views

When do I fight Satan?

I killed mom (heart) 4 times but still there's no Satan at final. When do I fight Satan? What should I do? Thank you.
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1answer
2k views

What's the effect of pentagram?

I am trying to understand the effect of each power-up, but for some of them is not easy. What about the pentagram, for example? What is its effect, apart those nice devil's horns?
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1answer
152 views

Can I choose which level I'll go in?

Sometimes, when starting anew game in Wrath of the Lamb, I'll find myself in the cellar rather than the basement. Ditto when going down a level. What determines which level I'll go in?
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1answer
782 views

What's the difference between yellow and orange fire?

With the new DLC I've noticed a new fire animation, that has an "oranger" hue. Is there any difference between this new fire and the old one?
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1answer
772 views

Are the chances between the Portable Slots and the Slot Machine different?

I just found an item called Portable Slots, which allowed me to use it (with spacebar) any number of times (regardless of charges), but it took a coin on every use, like the normal slot machine. I ...
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1answer
840 views

Do normal tears do increased damage with Chemical Peel?

The Chemical Peel item's text said "DMG UP" and it changed my tears to blood tears, but it didn't change the tear icon. Every so often, I shoot a normal tear. Do only the blood tears get the ...
2
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1answer
906 views

Defeated Mom with Magdalene but got no achievement on STEAM [duplicate]

Possible Duplicate: Binding of Isaac achievements and Steam in-game not working I defeated Mom for the first time, but I did not get the Killed Mom! achievement on Steam. I played as ...
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0answers
84 views

What strategy should I apply to get the die? [closed]

The Di(c)e is unlocked after beating Mom's heart while in the ???-form. I tried again and again, but somehow even fail to make it to Mom. This made me think: There must be some strategies I could ...
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1answer
122 views

What do you need for Platinum God?

I have 95/97 secrets and a full collection of 198 items. Click to embiggen: All the achievements and secrets I'm now missing are AFAIK (and astats.nl confirms): Spelunker Boy Mama's Boy Platinum ...
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1answer
12k views

What does the A Missing Page trinket do?

In the Binding of Isaac expansion I found a trinket called A Missing Page, and so far I have not noticed any effect. What does this trinket do?
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2answers
364 views

Which tarot card gives the bigger damage boost: The Empress, The Devil or Strength?

The Empress - Puts you into curse state for a room The Devil - Acts as a one-time Book of Belial charge Strength - Gives you a temporary +1 HP and boosts your damage. All three of these tarot cards ...
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2answers
18k views

What's Tick effect? [duplicate]

Possible Duplicate: Which Trinkets are available in Wrath of the Lamb? I just found this strange thing called Tick in Cellar level. Its stay on player head but it also shown to the top-left ...
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1answer
1k views

My game tends to crash

I play the Binding of Isaac a lot. I'm trying to unlock the D6, so I must beat the womb as ???. But when I get to the loading screen for the womb part 1, the game always crashes. Is there a way to fix ...
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1answer
542 views

Are the chest level unlockables required for Platinum God?

In the most recent update after beating the most recent boss holding the Polaroid. You can unlock a special chest level which beaten by each character unlocks a new trinket. Are these items required ...
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1answer
4k views

What does the Undefined/Fish Head trinket do?

In the Binding of Isaac expansion Wrath of the Lamb, I got a trinket called Undefined, which looks like the severed head of a green fish. What does this trinket do?
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1answer
11k views

What does the Childs Heart do?

I got an item called Childs Heart, but it is on the left side of the screen (opposite of where Q items appear) and I can't figure out how to use it. What does it do and how can I use it?
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82 views

BoI erases my data

I got Binding of Isaac for Linux through the Humble Bundle. It works fine, and sometimes saves my data (things found, challenges unlocked, etc.), but then sometimes erases them - seemingly at ...
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747 views

Binding Of Isaac sound problem

I recently purchased the Wrath of the Lamb expansion and since then there's no in-game music and no sound... I have just recently formatted my computer and re-installed Windows XP, I don't know if it ...
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2answers
292 views

What are all the levels introduced in Wrath of the Lamb?

In a very small number of playthroughs of Wrath of the Lamb, I have seen: The Cellar (pre-Mom) Necropolis (pre-Mom) Utero (post-Mom) What are all the new levels introduced in Wrath of the Lamb, ...
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3answers
330 views

Why my cellar changed and now is full of spider webs?

My basement cellar texture changed and now rooms are full of spider webs and fast annoying spiders. What's happened? Any hints how to go back and how to kill these spiderlings?
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1answer
116 views

What is “Brimsnapping”?

I've seen various references to a glitch that can make the Brimstone item more powerful - what is this glitch?
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2answers
225 views

Do Soul Hearts count as tribute hearts?

So I have been playing The Binding of Isaac, and you can have red hearts, and blue hearts (Known as Soul Hearts) and I was wondering, does using the Curse Room Door or doing deals with the devil ...
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1answer
5k views

What does Spirit of the Night do?

I just paid two hears for Spirit of the Night (whose lower-right hand message was "Scary"). Did I just pay two hearts so that I could fly? What does "Scary" mean, and what does Spirit of the Night ...
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2answers
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Dependency is not satisfiable: libgdk-pixbuf2.0-0 error when installing Binding of Isaac

I'm trying to install Binding of Isaac on my Debian machine, when I try to install the .deb installation package with GDebi, I get the error Error: Dependency is not satisfiable: ...
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0answers
63 views

Does the Lucky Foot affect the Slot machine or not? [duplicate]

So yeah the wiki says that it does increase the chances of winning at the Slot Machine but it also says that it doesn't. I would like a definitive answer to if the Lucky Foot does or does not affect ...
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0answers
253 views

Binding of Isaac soundtrack [duplicate]

Possible Duplicate: How do I access the Binding of Isaac soundtrack? I found the soundtrack but how do I play it it says .ncf or something... If you know how to play it thanks I need to ...
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1answer
572 views

What does the Spider Mod add?

I am thinking about downloading the spider mod for TBOI for the cool tweaks I heard it has, but I can't find information about them. What exactly does the spider mod add?