![How do i make the doors so they can only be opened one way, stopping blood moon zombies entering but still allowing me to leave, this kinda works but having to rebuild How do i make the doors so they can only be opened one way, stopping blood moon zombies entering but still allowing me to leave, this kinda works but having to rebuild](https://external-preview.redd.it/khwcSUM-xsqr1fDFcXOT0DBxRuZ28VI6qev7xZzam-g.png?auto=webp&s=0bf9329f601fa49e55008714e1361d786f88df77)
How do i make the doors so they can only be opened one way, stopping blood moon zombies entering but still allowing me to leave, this kinda works but having to rebuild
![My NPCs were leaving the doors open, so I made up a system to automatically close the doors : r/Terraria My NPCs were leaving the doors open, so I made up a system to automatically close the doors : r/Terraria](https://preview.redd.it/my-npcs-were-leaving-the-doors-open-so-i-made-up-a-system-v0-vozp92c6tz0a1.png?width=640&crop=smart&auto=webp&s=9c9467040e51cc2846f3d31c975e9e7e127e46da)
My NPCs were leaving the doors open, so I made up a system to automatically close the doors : r/Terraria
![How can I stop NPCs from opening the doors on the sides of the bubble and falling down to the ground? : r/Terraria How can I stop NPCs from opening the doors on the sides of the bubble and falling down to the ground? : r/Terraria](https://preview.redd.it/m5b6j8ia7hn91.png?auto=webp&s=77413e4a3adc362382c2b6dbba9bd3ea6ff8b72c)
How can I stop NPCs from opening the doors on the sides of the bubble and falling down to the ground? : r/Terraria
![Teleport door trick. (Use the shadow paint to create the door effect and interconnect the pressure plates to activate the passage.) : r/Terraria Teleport door trick. (Use the shadow paint to create the door effect and interconnect the pressure plates to activate the passage.) : r/Terraria](https://i.redd.it/e4goazvydsw11.jpg)
Teleport door trick. (Use the shadow paint to create the door effect and interconnect the pressure plates to activate the passage.) : r/Terraria
![Another tip: Just figured out you can put stuff in front of doors to stop monsters getting in on invasion events. As they can only push doors not pull!! This way you Another tip: Just figured out you can put stuff in front of doors to stop monsters getting in on invasion events. As they can only push doors not pull!! This way you](https://i.redd.it/ffq6840tah981.jpg)
Another tip: Just figured out you can put stuff in front of doors to stop monsters getting in on invasion events. As they can only push doors not pull!! This way you
![I've seen so many comments about the Guide opening the door for monsters during night that I decided to do something about it. : r/Terraria I've seen so many comments about the Guide opening the door for monsters during night that I decided to do something about it. : r/Terraria](https://preview.redd.it/hr96lm33f7781.png?auto=webp&s=cff1b7fd9bc65b2b025db1b2d4f388e45b1792c2)