The Resident Evil 4 square lock boxes in the Castle section need a special key called a Cubic Device, and you won't be able to open them without it. It's definitely worth doing - those five square ...

Want to open the Resident Evil 4 Square Lock Boxes? These puzzle chests contain valuable treasures you can sell at the merchant, but first, you need a key.

With the lock box cover plate secure insert the key into the hole. Turn the change key in the proper direction- left or right depending on lock box mounting position.

Square Lock Boxes can be found in the Castle area in Resident Evil 4 Remake. Here's how to open them with the Cubic Device.

Resident Evil 4 Remake Square Lock Boxes Guide In order to unlock Square Lock Boxes, you will need to find the key called Cubic Device. You can acquire this item by passing through the Armory ...