There are multiple facilities that you can explore in Sons of the Forest, raising even more questions as to the mysteries surrounding the island. One, in particular, is in a place that you might have visited before. However, to get to it, you'll need to have both the Maintenance Keycard and VIP Keycard. Assuming you've acquired those already, then here's our guide to help you get the Guest Keycard in Sons of the Forest.
To get the Sons of the Forest Guest Keycard, you'll have to return to a familiar location: none other than the strange office where you found your first 3D Printer. Remember the locked door at the end of the well-lit hallway? Well, you can open that by using the VIP Keycard.
You'll then find yourself in a recreational facility that's got everything imaginable from gym equipment to a poolside lounge. There are also a few mutants here, but nothing to worry about in case you already have a beefy Shotgun.
These are the important items to grab in this facility:
Once you're happy with your loot, it's time to leave the facility. Take the right-hand side exit (from the room just prior to the cinema). It will lead you back to the surface. In any case, now that you have the Sons of the Forest Guest Keycard, you'll be able to continue your journey. Next up, you'll open the Gold Hand Seal doorway.
Read more on gamespot.com