Tale of two Cubes

This short Puzzle-Game tells the Story of two Cubes, trying to be delivered to ... Somewhere.

Use:
- Arrowkeys or WASD to move the Cube(s).
- Space to switch dimensions.
- R to revert your last move.

Credits for the music, which is not mine:

Don’t Forget Me by Spheriá | https://soundcloud.com/spheriamusic
Music promoted by https://www.chosic.com/free-music/all/
Creative Commons CC BY-SA 3.0
https://creativecommons.org/licenses/by-sa/3.0/