The Binding of Isaac Wiki
(Undo revision 98373 by Korvsmet (talk))
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The [http://Curses#Curse_of_Darkness Curse of Darkness]  creates a floor without a visible map, therefore making the player somewhat blind. Navigation will be more difficult without the map, but memorisation of visited rooms should help. The [[Challenges#Dark_Was_the_Night|challenge]] "Dark Was the Night" creates a floor with the Curse of Darkness.  
 
The [http://Curses#Curse_of_Darkness Curse of Darkness]  creates a floor without a visible map, therefore making the player somewhat blind. Navigation will be more difficult without the map, but memorisation of visited rooms should help. The [[Challenges#Dark_Was_the_Night|challenge]] "Dark Was the Night" creates a floor with the Curse of Darkness.  
 
NOTE: The only time starting items will sound the angel song is if the run starts with an XL floor.
 
   
 
===Challenges===
 
===Challenges===

Revision as of 10:16, 7 February 2014

The Binding of Isaac has the player delve through five (7 with the Wrath of the Lamb DLC) environments to try and slay Mom, and future bosses.

Chapters in the core game

Standard Chapters

Chapters in the core game are always separated in 2 parts - e. g. Basement 1 and Basement 2. The standard chapters are:

At the end of every part there is a random Boss (with the exception of The Depths 2 and The Womb 2) waiting for the player. Killing this boss is required to go the next part/level. Every floor except The Womb contains a Treasure Room and a Shop in it. For more details, see the Rooms page.

Anomalies from The Womb and onwards

From the chapter The Womb/Utero and onwards, all damage done to Isaac is set to 1 Heart (Full heart). Any type of damage that does 1 heart of damage by default (e.g Bombs) will still do 1 heart of damage in The Womb/Utero and onwards. The only way to avoid it is to use The Wafer item, which sets every type of damage to 1/2 Heart (Half heart).

There are no Shops or Treasure Rooms any more from this chapter and onwards.

Final Chapter

If the player has beaten the game 10 times, there will be a Trapdoor instead of an End Chest after beating The Womb. It will bring Isaac to Sheol, the Final Chapter of the game. (Unless the player has the Wrath of the Lamb DLC) Unlike the previous chapters, Sheol isn't separted into two parts. Sheol can be accessed early if a Devil Room or an Angel Room appears after the Mom's Heart fight. Inside, there will be a trapdoor leading to Sheol, instead of items being offered for Heart Containers.

Wrath of the Lamb - New Content

Alternate Chapters

If the player has the Wrath of the Lamb DLC, the first four default chapters have a chance of being replaced by alternate chapters. For example, it is possible to start in The Cellar 1 instead of The Basement 1. The second part is also randomly generated. For instance, if you start at Cellar 1, it's not guaranteed that you will proceed to The Cellar 2, it could be The Basement 2 instead.

The Alternate Chapters are:

Curses

The Curse of the Labyrinth creates a chapter without parts which is bigger than normal and is marked with an XL suffix. (Cellar XL, for example.) There will be two Treasure Rooms on all XL floors (except The Womb/Utero) which will always require a key to open, even if the player is at The Cellar/The Basement. There will still be one Shop, however. At the end of the floor are two linked Boss Rooms, which will both drop items.

The Curse of Darkness  creates a floor without a visible map, therefore making the player somewhat blind. Navigation will be more difficult without the map, but memorisation of visited rooms should help. The challenge "Dark Was the Night" creates a floor with the Curse of Darkness.  

Challenges

In some of the Challenges in the Wrath of the Lamb DLC, there will be no Treasure Room on any chapter.

Final Chapters with the DLC

If the player has the Wrath of the Lamb DLC, there will be two new final chapters added. The first one, The Cathedral, unlocks after killing It Lives! alongside Sheol. It will appear as a beam of light besides the Trapdoor leading to Sheol. The second chapter, The Chest, unlocks after killing Isaac 6 times. Killing Isaac for the 7th time while holding The Polaroid will spawn an End Chest that can be entered to take you to The Chest.

All Chapters

Chapters
Chapter 1 Chapter 2 Chapter 3 Chapter 4 Chapter 5 Chapter 6

The ChestWrath of the Lamb DLC