There are four consoles in the secret area in the Casino- each player interacts with one (alternately, activate via the "level select": with debug=true in the URL, press X, then enter "safe" and a number 1-4 in the popups) and sees a window with some lights, buttons, switches, etc. Each player sees a different combination of things.

In their physical package teams received a laminated business card with a QR code labeled "Allure Bay Vault Access"

The consoles from left to right: