i dont think its true i was in a glitch through lvl 100 and couldnt hear any doors open . hmmm ill get to that lvl and ill look into it today.
its a secret door it doesnt make any noise when it opens ...

i heard that there is a door that opens up on rounds 45-48 that leads outside the map on Verrückt idk if this is true but i have heard it from all the people on my friends list that are good at it an ...