You can duplicate items if you have a chest and you are playing with one other person.

Step One

Place everything you want or need duplicated into the chest.

Step Two

Person who owns the world save!

Step Three

Friend remove everything from the chest to be duplicated.

Step Four

Friend save your player, Owner do not save yours!

Step Five

Exit to title screen then restart your world.

Step Six

Check out your chest if done right then everything will be in there and in your friends inventory.


IF you do not follow this exact order of saving per person, you could lose everything you wanted to duplicate.