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Resident Evil 4 Remake

Opening Square Lock Boxes in Resident Evil 4 Remake

By
Ben Chard

Resident Evil 4 Remake has lots of secrets and puzzles scattered throughout its massive 16 Chapters, and one of the mysteries you’ll want solved is how to go about opening those square lock boxes you come into contact with in the castle. This page will detail everything you need to know about the Cubic Device and square lock boxes.

You will need the Cubic Device to get into the square lock boxes in Resident Evil 4 Remake.

What Are Square Lock Boxes?

During your time in the Village section of Resident Evil 4 Remake, you may have come across the numerous Wayshrines that houses hidden treasure. To get into them, you had to find the Wayshrine Key later in that section and return to claim your spoils.

Square lock boxes serve the same purpose, only this time for the Castle section of Resident Evil 4 Remake. You’ll find many of them hidden in these Chapters, but you’ll need to wait until you get to Chapter 9 to find the Cubic Device to open them. With the Cubic Device in hand, rotate the cube to fit the lock and you’ll be able to pocket the treasure that awaits.

Where is the Cubic Device?

As mentioned above, you’ll need to find the Cubic Device in order to get into these square lock boxes. Proceed through the game until you reach Chapter 9, where your task will be to seek out three heads for the statue in the Grand Hall.

Go upstairs in the Grand Hall and head out the northern door to reach the Armory, a large area that you need to drop down to. Once you claim the Lion Head in the center, you’ll be ambushed by a large group of Knights. Keep on the move, blast at their exposed plagas and then use Flash Grenades to take them out in on fell swoop. Ashley will help by pushing down lanterns from above, guide the Knights to her and you’ll stun them, allowing you to melee the helmets off.

Once the area is free of the Knights, catch Ashley and then use her to open the gate. As you head down this corridor, you’ll spot a large chest at the end of it, open it to obtain the Cubic Device.

(1 of 3) Head to the armory and deal with the knights

All Square Lock Box Locations in Resident Evil 4 Remake

Now that you have your Cubic Device, the big question is where all those square lock boxes were that you came across before you found it. You’ll need to do some backtracking to get every item, and you’ll find the location and rewards in the table below:

Area Location Reward
Audience Chamber In the northwest corner Justitia Statue
Grand Hall In the room with the Merchant here Butterfly Lamp
Library Head up the stairs to the south and open the locked box on the wall CQBR Assault Rifle
Grand Hall Go upstairs and take the southeast door to reach the typewriter room, the square lock box can be found here Golden Lynx
Throne Room Southwest of the throne itself Gold Chicken Egg
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Guide Information
  • Publisher
    Capcom
  • Platforms,
    PS4, PS5, Steam, XB One, XB X|S
  • Genre
    Survival Horror
  • Guide Release
    22 March 2023
  • Last Updated
    2 February 2024
    Version History
  • Guide Author

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Resident Evil 4 is a survival horror game originally released in 2005. The game follows the story of Leon S. Kennedy, a government agent tasked with rescuing the President’s daughter, Ashley Graham, from a remote village in Spain that’s been taken over by a cult-like group of infected villagers. This guide for Resident Evil 4 Remake contains the following:

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