The Liberty Falls vault in Call Of Duty Zombies is full of sweet loot, but requires you to find three codes to open it. Here's what you need to do.

Prioritize earning enough Essence (the in-game currency) by killing zombies and completing objectives, then use it to open doors to vital locations like the bank and the Motor Lodge.

The best way to collect more salvage in a match of Black Ops 6 Zombies is using a weapon with the silencer attachment equipped. In Zombies mode, the modifier of the silencer is different, increasing the rate at which salvage drops from killed enemies.