This dark labyrinth is filled with dreary imagery and is filled to the brim with a wide array of dangerous enemies all themed around the concepts of death. Those that collect the knife and manage to slash open the red door will find themselves in a new area known as Corpse. The Binding of Isaac Red Door is one of the key components to getting the ball rolling towards the 'true endgame.' In order to better help educate new players on this Isaac Red Door, the following guide has been updated, with more information and a section outlining just what players can expect when opening the Red Door in The Binding of Isaac: Repentance.

To get some of these endings, and unlock new areas, players will need to get their hands on some specific items. Even better, there is more lore to uncover concerning the unfortunate Isaac, with new endings to see. With the release of Repentance, players have even more areas to explore and new items to unlock. Updated September 5th, 2021 by Russ Boswell: The Binding of Isaac is now bigger than ever. While some The Binding of Isaac players will undoubtedly already know how to obtain these two items, those that do not can find full details in the following paragraphs. To do this, fans must collect two Knife Pieces, which are accessed from Downpour/Dross 2 and Mines/Ashpit 2. To put things simply, players that wish to pass through the red door must first assemble the Knife. NEXT: The Binding of Isaac: Repentance - All New Bosses

Shining some light on this matter is the precise purpose of this guide, and players that read on will have all of the information that they need to unlock the red door in The Binding of Isaac: Repentance.

As many fans are sure to expect, getting through this door requires the use of a particular item, though exactly what is needed may not be obvious. After defeating Mom in Mausoleum 2 or Gehenna 2, The Binding of Isaac: Repentance players will encounter a strange red door.

The lost binding of isaac