I dont know where is inside you ll need to make it through the maze but you have to go to the south east hall of the maze then walk through a wall and go down to the hidden bloody weapon room.
Undertale secret rooms.
The rooms below are listed in.
If you want to access lavender.
The room with the rocks falling down a waterfall.
The secret room behind sans and papyrus house.
98 ballet shoes item room.
Inaccessible whitout disabled dogcheck.
And undertale belong to toby fox.
This is the most recent addition to undertale.
For this fight you ll need to own the nintendo switch copy of the game and interact with a few things in papyrus s house before uncovering the route to mad mew mew.
The icy fog area where you fight papyrus.
Secret boss fights are always a neat secret to find and undertale has quite a few of them.
89 secret room lone quiche item.
Change it load up the game should put you in that room.
First you have to enter the desolate ruins.
The art club room is a secret room located on the second floor of hotland north of the crossroads that leads to the room with the stained apron that can be accessed by stepping on magical glass.
Where i found the cover of the wiki.
The first area in waterfall.
The room consists of 3 cacti and a sign in the middle that says the next art club meeting is on october 10th at 8 pm.
Now to access the bloody weapons you have to go south and walk through a wall and over to the room with the bloody chests.
Line 548 second to last line in file0 which is your save for undertale the line is a number that number corresponds to your room number.
The end credit where i found the secrets rooms descriptions.
If the player attempts to access these inaccessible rooms the dogcheck rooms are 0 3 78 80 239 241 and 266 335 the dogcheck value returns out of range and cause the annoying dog to appear in the middle of a black screen while sigh of dog or dance of dog plays.
The secret room in the waterfall with the falling rocks.
A sign can be found in the empty space at the end of the hallway in.
In undertale s game files the player cannot access some rooms by conventional means.