You can try to use Embrasure mod, so you can just make 2 windows to shoot and 1 metal door.
They cant rush your colonists and you can shoot them or have time to prepare a big defense plan.
There is so many mods that can change the way that fight fights go on in RimWorld, i really recommend you Embrasure mod.
Embrasure Mod By Jaxxa : https://github.com/jaxxa/ED-Embrasures/releases
They cant rush your colonists and you can shoot them or have time to prepare a big defense plan.
There is so many mods that can change the way that f
Embrasure Mod By Jaxxa : https://github.com/jaxxa/ED-Embrasures/releases