There are 12 dots on the top above the elevator door. Make all the diagonals add up to 12 to match the dots. The image below is one way to solve the floor:

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?