How do I get through the part after the Doll House Challenge? I have interacted with every character after the Doll House including the Porn House, Fuck Station. Inside the BDSM Maze, there is one small door that leads to the Doll House and a Big Door that stays locked. There is an encounter with the nightmare nurse but that leads to death or end. How do I get across this level? 

You're in the general Itch forum, and it's considered SFW.

For specific questions about a game, try asking in the message area for that game (at the bottom of that game's page). It's easier for someone who knows the game or its developer to see your message there and answer it.