The secret room behind sans and papyrus house.
Undertale secret rooms.
If you want to access lavender.
The icy fog area where you fight papyrus.
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.
This is the most recent addition to undertale.
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.
The secret room in the waterfall with the falling rocks.
There is a box and a sign next to you.
The room with the rocks falling down a waterfall.
Where i found the cover of the wiki.
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.
In front of the save point beside sans outpost in waterfall.
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.
A sign can be found in the empty space at the end of the hallway in.
Secret boss fights are always a neat secret to find and undertale has quite a few of them.
The first area in waterfall.
98 ballet shoes item room.
And undertale belong to toby fox.
Change it load up the game should put you in that room.
Room id room name.
The rooms below are listed in.
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.
89 secret room lone quiche item.
Inaccessible whitout disabled dogcheck.