In the basement, there is a very small probability (2% or so) that a black market passage can be generated. Moreover, this staircase is found quite often. You probably already know that among ordinary stones you can find a staircase leading to a secret basement room with a random probability. very often spawns nearby with the boss room.very rarely can appear behind a secret room.there can be no passage to it from the boss room.The secret must have direct access from all adjoining rooms-sides.Īs for the super secret room, the rules will be different: if stones or chasms are blocking the possible location of the door to the secret room, it cannot be there.This means that you should blow up those places that are surrounded by rooms necessarily borders on two or more rooms (usually 3-4).Look carefully, because the secret room follows several principles: But what if you are in the very first level and do not yet have such ‘search engines’? Everything is very simple.Įxamine the shape of the level using the minimap. It can be all sorts of treasure maps, compasses, a miner’s hat, and more. The problem is that you can’t pinpoint their exact location if you don’t have a specialized item. Secret and super secret roomsĮach level-floor must have one secret room (indicated by a white question mark on the minimap) and one super secret (gray question mark). Of course, you can rummage through Wikipedia for tens of hours and, in the end, find out all this on your own, but something suggests that not everyone is so eagerly fond of text walls of hundreds of pages. The goal of the management is to draw the attention of the players to some of the less obvious elements of The Binding of Isaac: Rebirth.