How high do the box numbers go?

In Fallout Shelter, players choose a three-digit number to name their new Vaults, ranging from 000 to 999. Vault 77 appears in the webcomic One Man, and a Crate of Puppets, and a jumpsuit from it can be found in Paradise Falls in Fallout 3.

How high do the box numbers go?
Can you get into vault 81 without fusion cores?
What is Fallout 4's max health?

Can you get into vault 81 without fusion cores?

If it wears power armor, the Overseer will advise that some of the residents will be restless. When entering the Vault, dropping their stash of Fusion Cores when the Overseer starts speaking will allow them to enter the Inner Vault without losing any Fusion Cores and still get the 100 caps compensation.

What is the highest level you can reach in Fallout 4?

What is the maximum level in Fallout 4?

Fallout and Fallout 2 Level Experience Reputation ( Fallout ) 1 0 XP Vault Dweller 2 1,000 XP Vault Scion 3 3,000 XP Vault Veteran 4 6,000 XP Vault Elite