100 doors level 13, the clue is written on the wall repeatedly “password | | | | | | | | | | |” , so the solutions for this level is easy, let’s see at the picture below

100 doors level 13 walkthrough 100 Doors Level 13 Walkthrough

so the logic answer is :

“password |||||||||||||” this is mean press number 1 for 11 times on keypad

and door will open