For a fourth lock tier, add biometric locks. Anything locked biometric would auto unlock when an authorized person opens it, and it would auto lock when closed. The owner could put the lock in "programing mode" that lasts ten seconds and another person could use a "learn thumbprint" prompt to be added to the lock.
#Biometric locks
cursive umbra
limpid whale
As long as you can dismember people's arms after killing them and then use that arm to get into said lock xD.
idle mulch
As long as you can dismember people's arms after killing them and then use that ...
Introducing the new guy to my PVP base:
„Well and here we have the arms cupboard…“
„The WHAT?!?!?“
slender bison
Introducing the new guy to my PVP base:
„Well and here we have the arms cupboar...
"Yepp. And that guy there, he is very good in dis-arming."