Here is a video guide with English commentary!
Here is a playlist of guides for this game!https://www.youtube.com/playlist?list=PL-HeW6XkKdUKIq9xS95Oq...
Inside your Shelter, you can find a Rubik’s Cube. It is located on a dresser next to the stairs to the basement. You must shuffle and solve the Rubik’s Cube on your own and cannot hold A to have the game solve it for you.
If you want to solve the Rubik’s Cube quickly, follow this link: https://rubiks-cube-solver.com/
This Rubik’s Cube Solver will give you step by step directions on how to solve any pattern.