First you've got ot tap all the batteries to remove them. Then place them back into the slots until the bar on top of the door is green. To make it green take the two top ones on both sides to be 5V, bottom left to be 1V, bottom right to be 20V, and the last two set in the door.

Embark on an inspiring mission of human connection beyond the UCA. Sam — with companions by his side — sets out on a new journey to save humanity from extinction. Join them as they traverse a world beset by otherworldly enemies, obstacles and a haunting question: should we have connected?